front 1 In order to determine the hematocrit, blood is placed in a a. hemoglobinometer. b. movable slide. c. centrifuge. d. coagulation tube. | back 1 c. centrifuge. |
front 2 Which of the following do you think would be the most common artery palpated to determine heart rate. a. temporal artery b. posterior tibial artery c. radial artery d. popliteal artery | back 2 c. radial artery |
front 3 The __________ is the standard artery used to determine blood pressure. a. femoral artery b. common carotid artery c. brachial artery d. posterior tibial artery | back 3 c. brachial artery |
front 4 Which of the following blood vessels have the lowest pressures? a. veins b. venules c. capillaries d. arterioles | back 4 a. veins |
front 5 The sounds heard during the last phase of blood-pressure measurement are a. Korotkoff sounds c. silence. b. heart murmurs. d. systolic sounds. | back 5 c. silence. |
front 6 The stethoscope is placed over the ________ artery in the antecubital space when taking blood pressure. a. radial b. ulnar c. axillary d. brachial | back 6 d. brachial |
front 7 Which of the following resting blood pressures would be considered normal? a. 140/95 mm Hg b. 80/50 mm Hg c. 120/80 mm Hg d. 130/90 mm Hg | back 7 c. 120/80 mm Hg |
front 8 Which of the following resting blood pressures would be considered hypertension? a. 100/60 mm Hg b. 110/75 mm Hg c. 135/90 mm Hg d. 120/80 mm Hg | back 8 c. 135/90 mm Hg |
front 9 During the contraction of the left ventricle, the systemic arterial pressure reaches its maximum, which is called a. diastolic pressure. b. systolic pressure. c. pulse pressure. d. mean arterial pressure. | back 9 b. systolic pressure. |
front 10 When the left ventricle relaxes, the blood pressure drops to its lowest level, which is called a. diastolic pressure. b. mean arterial pressure. c. systolic pressure. d. pulse pressure. | back 10 a. diastolic pressure. |
front 11 A condition in which there is a fall in blood pressure upon standing that is not compensated for by the baroreceptor reflex is called a. postural hypotension b. postural bradycardia. c. postural tachycardia. d. postural atherosclerosis. | back 11 a. postural hypotension |
front 12 The last Korotkoff sound occurs when the blood pressure is equal to a. atmospheric pressure. b. diastolic pressure. c. systolic pressure. d. pulmonary pressure. | back 12 b. diastolic pressure. |
front 13 The sounds heard during the first phase of blood-pressure measurement are called a. diastolic sounds. b. Korotkoff sounds. c. heart murmurs. d. systolic sounds. | back 13 b. Korotkoff sounds. |
front 14 Where is the SA node is located? a. left ventricle b. right ventricle c. left atrium d. right atrium | back 14 d. right atrium |
front 15 The stimulation of the heartbeat begins in the _____, which is why this structure is called the pacemaker of the heart. a. right ventricle b. sinoatrial node c. atrioventricular node d. left atrium | back 15 b. sinoatrial node |
front 16 The electrical impulse is delayed in the AV node before propagating to the AV bundle (of His). During this delay the ______ contract. a. left ventricle and aorta b. right atrium and right ventricle c. left atrium and left ventricle d. right atrium and left atrium | back 16 d. right atrium and left atrium |
front 17 A cardiac cycle is a. the time it takes for blood to flow through all the entire body and return to the heart. b. the time between each pulse. c. the flow of electrical impulses through the heart. d. one set of atrial contractions followed by one set of ventricular contractions. | back 17 d. one set of atrial contractions followed by one set of ventricular contractions. |
front 18 The time period when the heart is contracting is called a. diastole. b. systole. c. cardiac cycle. d. pulse. | back 18 b. systole. |
front 19 The time period when the heart is relaxing is called a. pulse. b. diastole. c. cardiac cycle. d. systole. | back 19 b. diastole. |
front 20 One set of atrial contractions followed by one set of ventricular contractions is called the a. sinoatrial node. b. pulse. c. cardiac cycle. d. heart rate. | back 20 c. cardiac cycle. |
front 21 When the heart contracts, this is due to an electrical change called a. cardiac cycle. b. hyperpolarization. c. repolarization. d. depolarization. | back 21 d. depolarization. |
front 22 After contracting, the heart relaxes. This happens because of an electrical change called a. hyperpolarization. b. depolarization. c. repolarization. d. cardiac cycle. | back 22 c. repolarization. |
front 23 How are the sounds of a heartbeat in a healthy heart created? a. by heart valves opening b. by heart valves closing c. by atria moving against ventricles | back 23 b. by heart valves closing |
front 24 The ventricles relax leading to a. the first heart sound. b. the second heart sound. c. atria moving against ventricles. d. heart valves opening. | back 24 b. the second heart sound. |
front 25 The mitral (or bicuspid, or left atrioventricular) valve controls the flow between the a. right atrium and right ventricle. b. right atrium and pulmonary trunk. c. left atrium and left ventricle. d. left ventricle and aorta | back 25 c. left atrium and left ventricle. |