What provides arteries with tensile strength?
a. elastin fibers
b. collagen fibers
c. glucosamine
d. smooth muscle
e. valves
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Question 2) Pacinian corpuscles
a. adapt as a result of the physical features of the receptor
b. detect temperature
c. are tonic receptors
d. do not display an off-response
e. measure the degree of joint flexion
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Question 3) What is the inner most layer of an artery made of?
a. connective tissue
b. smooth muscle
c. endothelium
d. elastin fibers
e. collagen fibers
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Question 4) Which of the following receptors are rapidly adapting?
a. proprioceptors
b. nociceptors
c. Pacinian corpuscles
d. muscle receptors
e. All of the above
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Question 5) Approximately how many arterioles are there in the average human body?
a. 10,000
b. 50,000
c. 500,000
d. 5 million
e. 10 billion
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Question 6) Tonic receptors
a. adapt rapidly
b. frequently exhibit an off-response
c. can measure the degree of joint flexion
d. exhibit all of the above characteristics
e. exhibit none of the above characteristics
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Question 7) The factors that affect flow rate through a vessel are integrated within what law?
a. Poiseuille's law
b. Pascal's law
c. Cushing's law
d. laws of thermodynamics
e. law of gravity
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Question 8) Phasic receptors
a. exhibit an off-response
b. signal a change in stimulus intensity
c. are rapidly adapting receptors
d. exhibit all of the above characteristics
e. exhibit none of the above characteristics
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Question 9) The major determinant of resistance to blood flow is the:
a. percentage of red blood cells
b. blood's pH level
c. blood vessel's strength
d. blood vessel's percentage of smooth muscle
e. blood vessel's radius
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Question 10) Polymodal nociceptors
a. respond only to mechanical damage such as cutting, crushing, or pinching
b. transmit impulses along A-delta fibers
c. activate the slow pain pathway
d. release prostaglandins
e. do not react in any of the above ways
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