front 1 Cartilage has a flexible matrix that can accommodate mitosis of chondrocytes. | back 1 True |
front 2 Which of the following increases the surface area of certain epithelial tissues? | back 2 microvilli |
front 3 __________ are collections of neuron cell bodies associated with nerves in the peripheral nervous system (PNS). | back 3 Ganglia |
front 4 Which ligament would one tap to generate the knee-jerk reflex? | back 4 patellar ligament |
front 5 Articular cartilage found at the ends of the long bones serves to ________. | back 5 provide a smooth surface at the ends of synovial joints |
front 6 Which brain nucleus is the body's "biological clock"? | back 6 suprachiasmatic nucleus |
front 7 The joints indicated by the arrows in C and D are distinguished from those indicated in A and B by the presence of which of the following tissues? | back 7 fibro-cartilage |
front 8 Information from balance (equilibrium) receptors goes directly to __________. | back 8 the brain stem |
front 9 Connective tissues ________. | back 9 primarily consist of extracellular matrix |
front 10 Which of the following is NOT a concept of the cell theory? | back 10 Cells are given life through a process known as spontaneous generation. |
front 11 Which set of membrane proteins in the figure depicts the transport of solute molecules? | back 11 A |
front 12 Schwann cells are functionally similar to ________. | back 12 oligodendrocytes |
front 13 What process allows for the production of molecule B from a template consisting of molecule A? | back 13 transcription |
front 14 A motor neuron and all the muscle cells that it stimulates are referred to as a motor end plate. | back 14 False |
front 15 Motion sickness seems to ________. | back 15 result from mismatch between visual and vestibular inputs |
front 16 Which of the following is NOT an autonomic nervous system (ANS) effector? | back 16 skeletal muscle |
front 17 In adults, yellow marrow is located ________. | back 17 in the medullary cavity of long bones |
front 18 The term diploƫ refers to the ________. | back 18 internal layer of spongy bone in flat bones |
front 19 Which of the choices below describes the ANS? | back 19 motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands |
front 20 Immediately after an action potential has peaked, which cellular gates open? | back 20 potassium |
front 21 Arteries, veins, and lymphatics keep clots from sticking as long as their ________ is intact and healthy. | back 21 endothelium |
front 22 The major role of the sarcoplasmic reticulum is to regulate ________. | back 22 intracellular levels of Ca2+ |
front 23 An osteon contains osteocytes, lamellae, and a central canal, and is found in compact bone only. | back 23 True |
front 24 The force of a muscle contraction is NOT affected by __________. | back 24 the amount of ATP stored in the muscle cells |
front 25 Which of the following is stored in bones? | back 25 phosphate |
front 26 What activity does cell 1 undertake to contribute to the body's defense against injury and infection? | back 26 phagocytosis of foreign materials |
front 27 Injured cartilage might heal more quickly if a treatment were discovered that would __________. | back 27 stimulate blood vessels to develop within cartilage |
front 28 Functional classification of joints is based on ________. | back 28 the amount of movement allowed by the joint |
front 29 Which part of the cerebral cortex is involved in intellect, cognition, recall, and personality? | back 29 prefrontal cortex |
front 30 Phagocytosis is a form of exocytosis. | back 30 False |
front 31 What are the two basic steps of polypeptide synthesis? | back 31 transcription and translation |
front 32 Which structure is a type of sudoriferous gland? | back 32 C |
front 33 In the figure below, which letter points to an afferent neuron? | back 33 A |
front 34 What is the primary function of the mitochondria? | back 34 They are the main sites of ATP production. |
front 35 What cells line the ventricles of the brain? | back 35 ependymal cells |
front 36 Which of the following statements is INCORRECT? | back 36 Tactile cells anchor the skin to the body. |
front 37 The part of a neuron that conducts impulses away from its cell body is called a(n) ________. | back 37 axon |
front 38 Which statement accurately describes the event indicated by B? | back 38 Binding of acetylcholine to a receptor triggers the opening of an ion channel. |
front 39 Cholesterol helps to stabilize the cell membrane while decreasing the mobility of the phospholipids. | back 39 True |
front 40 Which of the following is NOT a factor that contributes to joint stability? | back 40 amount of synovial fluid in the joint cavity |
front 41 All epithelia have two surfaces, an apical surface and a basal surface, that differ in both structure and function. | back 41 True |
front 42 Which lettered protein functions as a motor protein? | back 42 C |
front 43 What structural classification describes this neuron? | back 43 multipolar |
front 44 Which cell organelle provides the majority of the ATP needed by the cell to carry out its metabolic reactions? | back 44 mitochondrion |
front 45 If cells are placed in a hypertonic solution containing a solute to which the membrane is impermeable, what could happen? | back 45 The cells will lose water and shrink. |
front 46 Which of the following are cartilaginous joints? | back 46 Synchondroses |
front 47 Bitter taste is elicited by ________. | back 47 alkaloids |
front 48 Which letter is pointing to an mRNA molecule? | back 48 B |
front 49 Which neuroglia are the most abundant and versatile of the glial cells? | back 49 astrocytes |
front 50 During interphase of the cell life cycle, the parent cell divides into two daughter cells. | back 50 False |
front 51 Which of the following is the conducting region of the neuron? | back 51 axon |
front 52 The electron microscope has revealed that one of the components within the cell consists of pinwheel array of 9 triplets of microtubules arranged to form a hollow tube. This structure is a ________. | back 52 centriole |
front 53 Mitochondria ________. | back 53 contain some of the DNA and RNA code necessary for their own function |
front 54 Use the figure to match the following descriptions. | back 54 |
front 55 What kind of tissue is the forerunner of long bones in the embryo? | back 55 hyaline cartilage |
front 56 What part of the nervous system performs information processing and integration? | back 56 central nervous system |
front 57 Eye color is determined by the amount of brown pigment present in the iris. | back 57 True |
front 58 The most dangerous type of skin cancer is ________. | back 58 melanoma |
front 59 Which of the following is CORRECTLY paired? | back 59 multiaxial movement: movement in all three planes and around all three axes |
front 60 Irritation of the phrenic nerve may cause diaphragm spasms called hiccups. | back 60 True |
front 61 The RNA responsible for bringing the amino acids to the ribosome for protein formation is ________. | back 61 tRNA |
front 62 The peripheral nervous system (PNS) includes the brain and spinal cord. | back 62 False |
front 63 Peroxisomes ________. | back 63 are able to detoxify substances by enzymatic action |
front 64 Which of the following is a function of a plasma membrane protein? | back 64 molecular transport through the membrane |
front 65 Which of the following is not a step in tissue repair? | back 65 Formation of new stem cells |
front 66 The main component of the cytosol is ________. | back 66 water |
front 67 A fracture in the shaft of a bone would be a break in the ________. | back 67 diaphysis |
front 68 Which of the following is CORRECTLY matched? | back 68 compound fracture: the fractured bone ends penetrate the skin |
front 69 Axon diameter and degree of myelination determine nerve impulse conduction velocity. | back 69 True |
front 70 After axonal injury, regeneration in peripheral nerves is guided by ________. | back 70 Schwann cells |
front 71 Static equilibrium involves linear acceleration as well as changes in head rotation. | back 71 False |
front 72 What indicates that a long bone has reached its adult length? | back 72 closure of the epiphyseal plate |
front 73 Pressure, pain, and temperature receptors in the skin are ________. | back 73 exteroceptors |
front 74 Creatine phosphate functions in the muscle cell by ________. | back 74 storing energy that will be transferred to ADP to resynthesize ATP |
front 75 Cardiovascular effects of the sympathetic division include all except ________. | back 75 dilation of the blood vessels serving the skin and digestive viscera |
front 76 All connective tissues arise from an embryonic tissue called mesenchyme. | back 76 True |
front 77 Acetylcholine is the substance released by the axonal endings of the somatic efferent fibers and by the parasympathetic nerve fiber endings. | back 77 True |
front 78 Which protein is indicated by E? | back 78 myosin |
front 79 Cardiac muscle makes most of its ATP via anaerobic pathways. | back 79 False |
front 80 Which of the following allows us to consciously control our skeletal muscles? | back 80 the somatic nervous system |
front 81 Which of the following is CORRECTLY paired? | back 81 skeletal muscle: voluntary control |
front 82 The connective tissue that covers structure A is continuous with which of the following? | back 82 tendon |
front 83 Which of the following is the basic taste quality responsible for the "beef taste" of steak? | back 83 umami |
front 84 The structure that allows equalization of the pressure in the middle ear with that outside the body is the external auditory meatus. | back 84 False |
front 85 The trabeculae of spongy bone are oriented toward lines of stress. | back 85 True |
front 86 Which of the following is the smallest structural unit in which the distinctive striated bands characteristic of skeletal muscle are observed? | back 86 D |
front 87 Which of the following is FALSE regarding the membrane potential? | back 87 The resting membrane potential is maintained solely by passive transport processes. |
front 88 Which tissue type consists of a sheet of cells that covers a body surface or lines a body cavity? | back 88 epithelial tissue |
front 89 When muscle cells break down glucose to generate ATP under oxygen deficient conditions, they will form ________. | back 89 lactic acid |
front 90 All processing at the circuit level going up to the perceptual level must synapse in the ________. | back 90 thalamus |
front 91 Broca's area ________. | back 91 is considered a motor speech area |
front 92 The dense fibrous connective tissue portion of the skin is located in the reticular region of the dermis. | back 92 True |
front 93 During isometric contraction, the energy used appears as movement. | back 93 False |
front 94 If the ventral root of a spinal nerve were cut, what would be the result in the tissue or region that nerve supplies? | back 94 a complete loss of voluntary movement |
front 95 What tissue forms the model for endochondral ossification? | back 95 cartilage |
front 96 The autonomic nervous system may cause activation or inhibition, depending on the division that is active and the target that is affected. | back 96 True |
front 97 In adults, hematopoietic tissue is NOT found in ________. | back 97 the medullary cavity of long bones |
front 98 The skin consists of two main regions. From deep to superficial they are the ________. | back 98 dermis and epidermis |
front 99 What specific neurotransmitter is released from the axonal terminus as shown in A? | back 99 acetylcholine |
front 100 Which of the following describes the neurons shown in this figure? | back 100 somatic motor neurons |