The extent of contraction of arteriolar smooth muscle depends on the cytosolic concentration of what element?
a. iron
b. phosphorus
c. potassium
d. magnesium
e. calcium
e
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Which of the following accessory organs stores bile?
a) Teeth b) Salivary glands c) Liver d) Gallbladder e) Pharynx
The accessory claw of the ruminant foot that projects caudally from the fetlock is the __________
Fill in the blank(s) with correct word
If the sodium-potassium pumps in the plasma membrane fail to function, all of the following occur except that the
A) intracellular concentration of potassium ions will increase. B) neuron will slowly depolarize. C) membrane will slowly lose its capacity to generate action potentials. D) inside of the membrane will have a resting potential that is more positive than normal. E) intracellular concentration of sodium ions will increase.
Which of the following is NOT a function of the reticular formation?
A. Helps the cerebrum with mental alertness and arousal from sleep B. Helps the hypothalamus regulate hunger and thirst C. Helps the cerebellum with muscle tone D. Helps the medulla regulate respiration, heart rate, and blood pressure