Which of these is a vasoconstrictor?
a)nitric oxide
b)natriuretic hormone
c)bradykinin
d)angiotensin II
d)angiotensin II
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You are asked to take a person's heart rate at the popliteal pulse point. You will look for this pulse ________
A) on the palmar side of the hand B) in the distal end of the lower leg C) on the posterior side of the knee D) at the posterior side of the wrist
Match the type of receptor with the appropriate description.
1. The most studied examples of this type are phasic receptors called Pacinian corpuscles. 2. These receptors slowly adapt, and would be activated when the skin is between 20-40° C. 3. These receptors respond to stimuli that are harmful or potentially harmful to body tissues and lead to the perception of pain. 4. These are probably the oldest sensory receptors as evidenced by their existence in primitive animals that do not have formalized nervous systems. A. chemoreceptors B. touch receptors C. thermoreceptors D. nociceptors
The neural pathway for a reflex is called ________
A) an autonomic reflex B) a somatic reflex C) a reflex arc D) an intrinsic reflex
The sternocleidomastoid inserts on the
A) occipital bone. B) clavicle. C) mastoid process. D) sternum. E) None of the answers is correct.