An increase in heart rate by the sympathetic nervous system is a:
A. positive inotropic effect.
B. negative inotropic effect.
C. positive chronotropic effect.
D. negative chronotropic effect.
Answer: C. positive chronotropic effect.
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Stimulation of parasympathetic nerves releases epinephrine into the blood plasma.
Answer the following statement true (T) or false (F)
Branches of the subclavian arteries carry blood on the way to the brain, neck and shoulder muscles, and mammary glands.
Answer the following statement true (T) or false (F)
Metabolism is homeostatically regulated but, during lactation, metabolism has to be adjusted to account for the energetic demands of milk production. This process is referred to as ___________
Fill in the blank with correct word
Which of the following muscles is a flexor of the thigh?
A) tibialis posterior B) vastus lateralis C) adductor magnus D) gluteus maximus