An axon that is more negative than the resting membrane potential is said to be _______
A) depolarized
B) graded
C) hyperpolarized
D) at threshold
Ans: C) hyperpolarized
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Matching
A) Virtually no functional regenerative ability B) Moderate regenerative ability C) Weak regenerative ability D) Regenerates extremely well 21) Smooth muscle. 22) Skeletal muscle. 23) Cardiac muscle. 24) Areolar connective tissue. 25) Tendons and ligaments.
Imagine a patient with a stiff, non-compliant left ventricle is prescribed a medication that acts as an agonist to norepinephrine. The medication would be effective because ________.
A. blood pressure would increase, moving blood through the circulatory system more rapidly B. heart rate would increase, compensating for the reduced stroke volume C. heart rate would decrease, reducing the workload on the heart D. cardiac output would increase, forcing the ventricle to become more compliant
If a second stimulus arrives before the relaxation phase has ended, a second, more powerful contraction occurs. This is called
A) incomplete tetanus. B) complete tetanus. C) treppe. D) wave summation. E) recruitment.
_________________ is a potent glucocorticoid that stimulates fat and protein catabolism, gluconeogenesis and the release of fatty acids into the blood.
Fill in the blank(s) with the appropriate word(s).