Which hormone is produced in the adrenal medulla?
a. Parathyroid hormone.
b. Epinephrine.
c. Aldosterone.
d. Cortisol.
Answer: b. Epinephrine.
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The type of contraction in which the muscle fibers do not shorten is called
A) tetany. B) treppe. C) concentric. D) isotonic. E) isometric.
The lymphoid system is composed of
A) lymph nodes. B) lymph. C) the spleen. D) lymphatic vessels. E) All of the answers are correct.
Stressed cells will often limit their activity in a fail-safe system to prevent self-destruction. A possible example of this is that when the delicate capillaries in the lungs are stressed by high blood pressure, they will stop making an enzyme (angiotensin converting enzyme) that creates further increases in blood pressure. This process is called __________.
A)autophagy B)ubiquitinization C)apoptosis D)programmed cell death
Epigenetic changes cannot be passed on to a zygote.
Answer the following statement true (T) or false (F)