front 1 A person with no antibodies in the blood plasma would have which type blood? | back 1 Type AB |
front 2 A person with only antibody B in his or her plasma would have which blood type? | back 2 Type A |
front 3 Which of the following is not true of hemoglobin? | back 3 It is composed of four heme molecules joined to one globin molecule. |
front 4 This substance dissolves blood clots. | back 4 Plasmin |
front 5 Which of the following cell types has the main function of carrying oxygen? | back 5 Erythrocyte |
front 6 What substance does not assist in the formation of a blood clot? | back 6 Plasmin |
front 7 A normal adult red blood cell count ranges from? | back 7 4.8 to 5.5 million/cubic mm. |
front 8 What substance involved in the process of blood clot formation is not made by the liver? | back 8 Vitamin K |
front 9 Which of the following Rh-factor combinations could cause agglutination of an infant’s red blood cells? | back 9 Mother–, father+, infant+ |
front 10 A person with no antigens on the red blood cell would have which blood type? | back 10 Type O |
front 11 Which characteristic of blood makes it especially effective in temperature regulation? | back 11 High specific heat capacity |
front 12 Blood volume per kilogram of body weight varies inversely with | back 12 body fat. |
front 13 A hematocrit value of 42% would be? | back 13 The average for a woman. |
front 14 Under the microscope, erythrocytes appear as? | back 14 biconcave disks without nuclei. |
front 15 Which is not an end product of the breakdown of hemoglobin? | back 15 Free oxygen |
front 16 Which of the following is an anticoagulant? | back 16 Heparin |
front 17 What part of the hemoglobin molecule combines with carbon dioxide? | back 17 Globin |
front 18 Which mature cell has no nucleus, mitochondria, or ribosomes? | back 18 Erythrocyte |
front 19 If you give a “unit” of blood in a blood drive and you are an average-sized adult, you have given about what percent of your blood? | back 19 10% |
front 20 Calcium is used in the clotting process during? | back 20 The formation of thrombin. |
front 21 Thrombocytes are used for? | back 21 Blood Clotting |
front 22 In each red blood cell, there are about this many molecules of hemoglobin. | back 22 200 to 300 million |
front 23 Christopher, a 2-month-old infant, has a bluish tinge to his skin. Upon listening to the infant’s chest, the physician became concerned about a leakage of blood between the right and left atria. What might have caused this problem and what is the treatment? | back 23 The foramen ovale may not be closed, causing backflow of blood into the lungs. The physician will reexamine the infant frequently because the foramen ovale may take as long as 9 months to heal. |
front 24 Which of the following is not true of the atria? | back 24 They are the same structure as the auricle. |
front 25 If the AV node were forced to assume pacemaker activity, what would be the resulting pulse rate? | back 25 40 to 60 beats per minute |
front 26 Which of the following is true of the conduction system of the heart? | back 26 It is made of cardiac muscle. |
front 27 A blood clot in the first vessel branching from the aortic arch would affect the? | back 27 right side of the head and neck and the right arm. |
front 28 The Fick formula is used for determining: | back 28 cardiac output. |
front 29 If the chordae tendineae in the right side of the heart were damaged, it might cause blood to leak into the: | back 29 right atrium during heart contraction. |
front 30 How would relocating a vein for the purpose of bypassing a partial blockage in the coronary arteries support a better functioning heart? | back 30 It would construct detours around blocked coronary arteries and return oxygen-rich blood flow to the coronary arteries. |
front 31 The greatest drop in blood pressure occurs across the? | back 31 arterioles. |
front 32 The thickest layer of tissue in the heart wall is the? | back 32 myocardium. |
front 33 The order of blood flow through the vessels is? | back 33 arteries, arterioles, capillaries, venules, and veins. |
front 34 In fetal circulation, the ductus venosus? | back 34 bypasses the liver. |
front 35 Respectively, the right and left atrioventricular valves are also known as: | back 35 tricuspid, mitral. |
front 36 Which of the following factors would cause fluid to leave the blood vessel at the arterial end of the capillary? | back 36 High hydrostatic pressure of the blood |
front 37 All arteries of the systemic circulation branch from the? | back 37 aorta. |
front 38 Which of the following vessels carries blood from the lungs to the heart? | back 38 Pulmonary vein |
front 39 All of the following will increase heart rate except: | back 39 stimulation of cold receptors in the skin. |
front 40 The palmar arches are branches of the: | back 40 radial and ulnar arteries. |
front 41 The pulmonary arteries carry blood to the? | back 41 lungs. |
front 42 Which of the following act as blood reservoirs? | back 42 Veins |
front 43 Why is the anatomy of the circle of Willis an advantageous anatomical configuration? | back 43 It serves an important protective function by providing detour routes for blood to travel in the event of obstruction of a main artery. |
front 44 The QRS complex represents? | back 44 repolarization of the atria and depolarization of the ventricles. |
front 45 Minute volume is equal to the? | back 45 pressure gradient divided by the resistance. |
front 46 In the cardiac cycle, the R wave is recorded on an ECG during: | back 46 isovolumetric contraction. |
front 47 Which describes the role of surfactant in the respiratory system? | back 47 Surfactant helps reduce surface tension within the alveoli, thus preventing each alveolus from collapsing as air moves in and out during respiration. |
front 48 The upper respiratory tract includes all of the following structures except the? | back 48 trachea. |
front 49 Normal, quiet breathing is known as? | back 49 eupnea. |
front 50 Which pair of tonsils is located in the nasopharynx? | back 50 Pharyngeal tonsils |
front 51 The smallest branches of the bronchial tree are? | back 51 bronchioles. |
front 52 Which of the following is not a true statement? | back 52 Raising the ribs decreases the depth and width of the thorax. |
front 53 The apneustic center is located in what part of the nervous system? | back 53 Pons |
front 54 By the time the blood leaves the lung capillaries to return to the heart, what percentage of the blood’s hemoglobin has united with oxygen? | back 54 97% |
front 55 For purposes of study, the respiratory system can be divided into two parts? | back 55 Upper respiratory tract and lower respiratory tract |
front 56 The respiratory portion of the nasal passage is lined with a mucous membrane made up of? | back 56 pseudostratified columnar epithelium. |
front 57 If anything decreases alveolar PO2, how does that affect the alveolar-blood oxygen pressure gradient? | back 57 Anything that decreases alveolar PO2 tends to decrease the alveolar-blood oxygen pressure gradient and, therefore, tends to decrease the amount of oxygen entering the blood. |
front 58 The small, leaf-shaped cartilage behind the tongue and hyoid bone is the? | back 58 epiglottis. |
front 59 Which of the following is true of the cribriform plate? | back 59 It separates the nasal and cranial cavities. |
front 60 Which pressure is greatest? | back 60 Intraalveolar pressure after expiration |
front 61 Which of the following is not a means of transporting oxygen in the blood? | back 61 Combined with the bicarbonate ion (HCO3–) |
front 62 Which of these is not an opening in the pharynx? | back 62 Trachea |
front 63 Which of the following is not lined with a ciliated mucous membrane? | back 63 Vestibule |
front 64 Each hemoglobin molecule can carry how many oxygen molecules? | back 64 Four |
front 65 Internal respiration can be defined as? | back 65 he exchange of gases between the blood capillaries and the tissues cells. |
front 66 The function of the vibrissae in the vestibule is to? | back 66 provide an initial “filter” to screen particulate matter from air that is entering the system. |
front 67 Vital capacity is defined as the? | back 67 maximum volume of air that can be moved into and out of the lungs during forced respiration. |
front 68 What aspects of the structure of lung tissue make efficient gas exchange possible? | back 68 The enormous surface area and the respiratory membrane, where the very thin-walled alveoli and equally thin-walled pulmonary capillaries make possible extremely rapid diffusion of gases between alveolar air and pulmonary capillary blood |
front 69 Which of the following combinations in arterial blood could cause an increase in the respiratory rate? | back 69 Increased PCO2, decreased arterial pressure, decreased pH, decreased PO2 |
front 70 Which statement explains what happens to toxic substances after detoxification by liver cells? | back 70 They are changed into nontoxic compounds by a series of chemical reactions. |
front 71 Polysaccharides are hydrolyzed into disaccharides by enzymes known as? | back 71 amylase. |
front 72 Bile salts aid in the absorption of? | back 72 Fats |
front 73 The disaccharide maltose is made up of which two saccharide units? | back 73 Glucose and glucose |
front 74 The lamina propria is found in which level of the GI wall? | back 74 Mucosa |
front 75 The greatest proportion of the tooth shell consists of? | back 75 dentin. |
front 76 Which monosaccharide is found in all three of the most common disaccharides? | back 76 Glucose |
front 77 Gastric juice contains all the following substances except? | back 77 enterokinase. |
front 78 Surgical removal of the gallbladder is referred to as? | back 78 cholecystectomy. |
front 79 Why can it be said that absorption is the reason for digestion? | back 79 Even though digestion includes the processes of mechanical and chemical breakdown of ingested food, the optimum goal of digestion is to absorb nutrients. |
front 80 Which of the following structures is not used to block an opening during swallowing? | back 80 Glottis |
front 81 The end product of amylase digestion is? | back 81 Maltose |
front 82 Pancreatic juice contains all the following substances except? | back 82 pepsinogen. |
front 83 Saliva contains all of the following substances except? | back 83 intrinsic factor. |
front 84 In the stomach, hydrochloric acid is secreted by the? | back 84 parietal cells. |
front 85 Which of the following is not a function of the stomach? | back 85 It begins the absorption of proteins. |
front 86 Which of the following is not a function of the liver? | back 86 Answer: Stores bile The liver makes bile the gallbladder stores bile. |
front 87 Which of the following organs is classified as a dual gland (both exocrine and endocrine)? | back 87 Pancreas |
front 88 The purpose of peristalsis is to? | back 88 propel food forward along the GI tract. |
front 89 Which of the following is not a division of the stomach? | back 89 Rugae |
front 90 Which of the following is not true of enzymes? | back 90 They change chemically and are in the end products of the reaction. |
front 91 The movement of molecules out of the tubules and into the peritubular blood defines? | back 91 reabsorption. |
front 92 Which blood vessel drains the vasa recta? | back 92 Interlobular vein |
front 93 The substance most often measured to determine normal kidney function is: | back 93 creatinine. |
front 94 If the glomerular hydrostatic pressure = 67 mm Hg, the glomerular osmotic pressure = 28 mm Hg, the capsular hydrostatic pressure = 17 mm Hg, and the capsular osmotic pressure = 0 mm Hg, the effective filtration pressure (EFP) would be? | back 94 22 mm Hg. |
front 95 Within the male urethra, how is urine prevented from mixing with semen during ejaculation? | back 95 Urine is prevented from mixing with semen during ejaculation by a reflex closure of sphincter muscles guarding the bladder opening. |
front 96 Filtrate in which part of the nephron tubule has the highest osmolality? | back 96 Descending loop of Henle |
front 97 Which of the following substances is released by the juxtaglomerular cells? | back 97 Renin |
front 98 Which of the following is not true of sodium chloride (NaCl)? | back 98 It has the same type of bonds as glucose. |
front 99 The subfornical organ is located in what part of the central nervous system? | back 99 Roof of the third ventricle of the brain |
front 100 Which large molecules are retained by the selectively permeable cell membrane? | back 100 Proteins |
front 101 The portion of the nephron tubule that is essentially always impermeable to water is the? | back 101 ascending loop of Henle. |
front 102 When the effective filtration pressure equals zero? | back 102 no net transfer of water occurs between blood and interstitial fluid. |
front 103 If two electrodes charged with a weak current were placed in a solution of NaCl, the negative electrode would attract the | back 103 Sodium ion. |
front 104 Which of the following is not a method used for parenteral administration? | back 104 By mouth |
front 105 In which parts of the nephron do all of the following functions occur: passive reabsorption, active reabsorption, passive secretion, and active secretion? | back 105 Collecting duct and the distal tubule |
front 106 he percentage of water in urine is approximately? | back 106 95% |
front 107 In the average bladder, what amount of urine would cause a moderately distended sensation and the desire to void? | back 107 250 ml |
front 108 If two electrodes charged with a weak current were placed in a solution of NaCl, the positive electrode would attract? | back 108 chloride ions. |
front 109 Which best explains why a person who has uncontrolled diabetes mellitus voids a large amount of urine? | back 109 Excess glucose “spills over” into urine, thereby increasing the solute concentration of urine (and decreasing the solute concentration of plasma), which in turn leads to diuresis. |
front 110 Which of the following is not a cause of hypervolemia? | back 110 Ascites |
front 111 If a solution of sodium (Na+, atomic weight = 23) and a solution of calcium (Ca2+, atomic weight = 40) had equal mg%, what would be the mEq/L of each? | back 111 The mEq/L of calcium would be about twice that of sodium. |
front 112 If the Tmax for glucose in the nephron was 300 mg/100 ml and a person had a blood glucose level of 380 mg/100 ml, there would be? | back 112 80 mg/100 ml of glucose in the urine. |
front 113 Which is the best explanation of how a white blood cell ingests and destroys a microorganism? | back 113 The white blood cell engulfs the microorganism and then lysosomal enzymes destroy it. |
front 114 The high concentration of protein in the thoracic duct results from the protein-rich lymph that drains from the: | back 114 Liver |
front 115 The type of immune mechanism that provides a general defense by acting against anything recognized as “not self” is called: | back 115 nonspecific immunity. |
front 116 A type of blood cell produced by lymph nodes is called an? | back 116 monocyte. |
front 117 Which of the following is not a lymph organ? | back 117 Pancreas |
front 118 How do the reticuloendothelial cells compare to white blood cells as a defense against infection? | back 118 Reticuloendothelial cells (macrophages) lining the spleen remove microorganisms from the blood and destroy them by phagocytosis in a fashion similar to that of white blood cells. |
front 119 Which substance can destroy pathogens by lowering the pH to a level at which they cannot function? | back 119 Hydrochloric acid |
front 120 Why is having an understanding of the lymphatic drainage of the breast important in formulating the diagnosis and treatment of breast cancer? | back 120 A single cell of a primary cancer tumor can spread to other areas of the body through the lymphatic system and cause metastasis. |
front 121 The antibody associated with allergic reaction is? | back 121 IgE |
front 122 Which is a logical conclusion that could be made regarding a decrease in blood protein in the bloodstream and viscosity of blood? | back 122 A decrease in blood protein concentration tends to decrease blood viscosity. |
front 123 The antibody normally constituting the highest percentage of antibodies in the blood is: | back 123 IgG |
front 124 Which would you predict would occur if a disease blocked the flow of lymph? | back 124 The liver might become enlarged or lymphedema may occur. |
front 125 ____ of the lymph from the breast enters the lymph nodes of the axillary region. | back 125 More than 85% |
front 126 Which is the most accurate outline of the primary principle of circulation as related to Newton’s first and second laws of motion? | back 126 The first law states that a fluid does not flow when the pressure is the same in all parts of it. The second law states that a fluid flows only when the pressure is higher in one area than in another and it flows always from the higher pressure area toward the lower pressure area. |
front 127 When a patient starts to have rejection problems with a transplanted organ, the problems are usually caused by: | back 127 human leukocyte antigens (HALs). |
front 128 Relative to the rest of the body, the thymus is largest at: | back 128 20 years of age. |
front 129 Human immunodeficiency virus (HIV) invades and kills ____ first. | back 129 helper T cells |
front 130 An immunoglobulin, or antibody molecule, consists of? | back 130 Two heavy and two light polypeptide chains. |
front 131 The size of lymph nodes varies from? | back 131 1 mm to more than 20 mm in diameter |
front 132 The part of the antibody that combines with the antigen is the? | back 132 variable region. |
front 133 Which of the following is not part of the lymphatic system? | back 133 Thyroid |
front 134 Which of the following is not true of lymph nodes? | back 134 They have one afferent vessel. |
front 135 Which of the following does not describe phagocytosis? | back 135 A major component of the body’s third line of defense |
front 136 The medulla of the ovary contains? | back 136 blood vessels and lymphatics |
front 137 The follicular phase of the menstrual cycle is the same as the? | back 137 postmenstrual phase. |
front 138 Some home pregnancy tests measure the amount of human chorionic gonadotropin (hCG) in a woman’s urine. What structure produces hCG and why? | back 138 hCG is produced by placental tissue early in pregnancy to maintain estrogen and progesterone secretion by the corpus luteum, preventing menstruation and promoting maintenance of the uterine lining |
front 139 As part of the maturation process, sperm will stay in the epididymis for? | back 139 1 to 3 weeks |
front 140 The main factor determining male fertility is the: | back 140 number of sperm ejaculated. |
front 141 Which of the following do not develop from granulosa cells? | back 141 Tunica albuginea |
front 142 The temperature required for sperm production is about? | back 142 3 degrees below normal body temperature. |
front 143 Which of the following sexually transmitted diseases is caused by a virus? | back 143 Hepatitis |
front 144 What reproductive duct is divided into the head, body, and tail? | back 144 Epididymis |
front 145 The function of Reinke crystalloids in the Leydig cells is? | back 145 uncertain at this time. |
front 146 Each of the following is a duct in the male reproductive system except: | back 146 inguinal canal. |
front 147 Fertilization of an ovum most often occurs in the: | back 147 fallopian tube. |
front 148 The layer that is incomplete because it covers none of the cervix and only part of the body is called the? | back 148 parietal peritoneum. |
front 149 Which of the following statements is not true about the mechanism controlling lactation? | back 149 Prolactin stimulates the ejection of milk into the ducts of the mammary glands. |
front 150 The opening of the urethra at the tip of the glans is called the? | back 150 external urinary meatus. |
front 151 At puberty, the reproductive hormones stimulate the organs of the reproductive tract. Which statement best describe what happens to the ovaries at this time? | back 151 The ovaries become functional and produce mature ova one at a time. |
front 152 Functional sterility results when the sperm count per milliliter falls below which number? | back 152 25 Million |
front 153 Which of the following ligaments does not assist in holding the ovaries in place? | back 153 Round ligament |
front 154 The number of spermatids formed by one primary spermatocyte is? | back 154 4 |
front 155 Normally, capacitation occurs in sperm? | back 155 after they have been introduced into the female’s vagina. |
front 156 Sertoli cells is another name for? | back 156 sustentacular cells. |
front 157 Testosterone: | back 157 helps regulate metabolism and stimulates protein anabolism. |
front 158 Which of the following is not a function of the Sertoli cells? | back 158 They produce testosterone. |
front 159 What reproductive duct is a short tube about 1 cm long that passes through the prostate gland to terminate in the urethra? | back 159 Ejaculatory duct |
front 160 Birth weight generally doubles during the first? | back 160 4 months and then triples by 1 year. |
front 161 A condition in which the placenta separates from the uterine wall is called? | back 161 abruptio placentae. |
front 162 The normal phenomenon of “crossing over” occurs? | back 162 during meiosis I. |
front 163 Which of the following conditions associated with the eye does not directly involve the lens? | back 163 Glaucoma |
front 164 The structure known as the “bag of waters” is the? | back 164 amniotic cavity. |
front 165 Fraternal twins have? | back 165 have two placentas. |
front 166 In the female reproductive system, which of the following does not assist the sperm in reaching the egg? | back 166 Polar bodies produced by the egg |
front 167 The condition caused by buildup of fatty deposits in blood vessel walls is? | back 167 atherosclerosis. |
front 168 Which of the following is not a function of the placenta? | back 168 Barrier to alcohol |
front 169 The sequence of early development of the fetus is? | back 169 zygote, morula, and blastocyst. |
front 170 Fertilization takes place in the? | back 170 uterine tube. |
front 171 In the human, the diploid number of chromosomes is? | back 171 46 |
front 172 The solid mass of cells formed when the zygote begins to divide is called the? | back 172 morula. |
front 173 If the process of oogenesis goes to completion, how many polar bodies will be produced? | back 173 3 |
front 174 The early embryo has stem cells referred to as? | back 174 totipotent. |
front 175 The second stage of labor is the? | back 175 period from the time of maximal cervical dilation until the baby exits through the vagina. |
front 176 Only about what percent of the sperm deposited in the female reproductive tract actually reach the ovum? | back 176 Less than 0.1% |
front 177 After puberty, about how many primary oocytes resume meioses each month? | back 177 1,000 |
front 178 The term used for the fertilized ovum is? | back 178 zygote. |
front 179 Which of the following hormones is not produced by the placenta? | back 179 FSH |
front 180 Which of the following structures is not formed by the ectoderm? | back 180 Dermis of the skin |
front 181 A nonfunctioning yolk sac could hinder the fetus in | back 181 producing blood cells. |
front 182 In a tube of centrifuged blood, the order of substances from top to bottom would be? | back 182 plasma, buffy coat, red blood cells. |
front 183 If you give a “unit” of blood in a blood drive and you are an average-sized adult, you have given about what percent of your blood? | back 183 10% |
front 184 A person with no antibodies in the blood plasma would have which blood type? | back 184 Type AB |
front 185 In the formation of blood cells, the megakaryocyte ultimately forms? | back 185 platelets. |
front 186 If the tidal volume were 600 ml, the alveolar ventilation would be about? | back 186 400 ml |
front 187 Air inhaled through the mouth would be? | back 187 dirtier than air inhaled through the nose. |
front 188 Each hemoglobin molecule can carry how many carbon dioxide molecules? | back 188 Four |
front 189 n the right lung, the superior and middle lobes are separated by the? | back 189 horizontal fissure. |
front 190 Which gas law deals with the solubility of gases in solution? | back 190 Henry |
front 191 Which of the following is not a subdivision of the thoracic cavity? | back 191 Medial pleural division |
front 192 Which of the following is not a true statement? | back 192 Raising the ribs decreases the depth and width of the thorax. |
front 193 A drop in the body’s production of carbonic anhydrase would? | back 193 hinder the formation of carbonic acid. |
front 194 The eustachian tube connects the middle ear with the? | back 194 nasopharynx. |
front 195 Which statement differentiates between the intrinsic and extrinsic muscles of the larynx, and explains which one moves the larynx? | back 195 Intrinsic muscles have both their origin and insertion on the larynx, whereas extrinsic muscles insert on the larynx but have their origin on some other structure; contraction of the extrinsic muscles actually moves or displaces the larynx as a whole. |
front 196 Normal, quiet breathing is known as? | back 196 eupnea. |
front 197 Which of the following combinations in arterial blood could cause an increase in the respiratory rate? | back 197 Increased PCO2, decreased arterial pressure, decreased pH, decreased PO2 |
front 198 Which of the following is not part of the vasomotor control mechanism? | back 198 Sympathetic stimulation of the heart to increase cardiac output |
front 199 The period of time during which blood is moved out of the atria and into the ventricles is called? | back 199 atrial systole. |
front 200 The pulse in the wrist is felt over which artery? | back 200 Radial |
front 201 Which part of the heart conduction system is referred to as the pacemaker? | back 201 Sinoatrial node |
front 202 What is the functional significance of large areas of cardiac muscle being electrically coupled to form a single functional syncytium? | back 202 Because they form a syncytium, muscle cells can pass an action potential along a large area or the heart wall, stimulating contraction in each muscle fiber of the syncytium. |
front 203 When you take a blood pressure reading, the first sound that you hear (top reading) is the? | back 203 systolic sound, indicating the contraction of the ventricles. |
front 204 Which of the following is a stretching of the artery walls? | back 204 Aneurysm |
front 205 Which of the following is not true of the myocardium? | back 205 The muscle cells can quickly summate contractions to produce tetanus. |
front 206 he pulse in the neck is felt over which artery? | back 206 Common carotid |
front 207 On an ECG, the T wave represents? | back 207 repolarization of the ventricles. |
front 208 Which of the following events will tend to cause a decrease in blood viscosity? | back 208 Marked anemia |
front 209 Which of the following is not true of the baroreceptors? | back 209 They are sensitive to changes in the oxygen content of the blood. |
front 210 The greatest drop in blood pressure occurs across the? | back 210 arterioles. |
front 211 The internal layer of tissue in the heart is the? | back 211 endocardium. |
front 212 Which of the following vessels carries blood from the lungs to the heart? | back 212 Pulmonary vein |
front 213 An end product of the action of the enzyme phospholipase is? | back 213 A free fatty acid. |
front 214 Which of the following salivary glands produces only a mucus type of saliva? | back 214 Sublinguals |
front 215 The major final product that results from the digestion of carbohydrates is? | back 215 Glucose |
front 216 Phagocytic cells lining liver sinusoids are called? | back 216 Kupffer cells |
front 217 The hormone that stimulates the gallbladder to release bile is? | back 217 cholecystokinin-pancreozymin. |
front 218 Which of the following structures is not used to block an opening during swallowing? | back 218 Glottis |
front 219 The hormone glucagon is produced by? | back 219 alpha cells. |
front 220 In the stomach, hydrochloric acid is secreted by the? | back 220 parietal cells. |
front 221 Rotavirus can cause what life-threatening condition in infants? | back 221 Diarrhea |
front 222 Which structure helps anchor the tongue to the floor of the mouth? | back 222 The frenulum |
front 223 Bile salts aid in the absorption of? | back 223 Fats |
front 224 The right angle formed by the transverse colon and the descending colon is called the? | back 224 splenic flexure. |
front 225 Pancreatic juice contains all the following substances except? | back 225 pepsinogen. |
front 226 Hydrochloric acid is released from cells in the? | back 226 stomach. |