The average pressure in the systemic arteries during an entire cardiac cycle is known as:
A) mean arterial pressure (MAP). B) venous pressure.
C) pulmonary circuit. D) systolic pressure.
Answer: A
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The atrioventricular valves permit blood flow
A) in one direction only. B) in both directions. C) in many directions. D) in opposite directions on the right and left. E) from a ventricle to an atrium.
Matching
A) A B) E C) C D) D E) B 1) Site of the dermal ridges that produce epidermal ridges on the epidermal surfaces of the fingers. 2) Responsible for shock absorption and located in the hypodermis. 3) Pulls the hair follicle into an upright position. 4) Sudoriferous gland. 5) Dense irregularly arranged, fibrous connective tissue. 6) Region that thickens markedly when one gains weight. 7) Where capillary loops are found.
When a clot forms in a coronary vessel and obstructs blood flow to the muscle, the condition is referred to as a(n)
A) myocardial infarction. B) pulmonary embolism. C) coronary thrombosis. D) angina pectoris. E) None of the answers are correct.
Nociceptors differ from other types of receptors because they ________.
A. have free nerve endings B. are not found in the skin C. do not adapt to stimuli D. do not send action potentials