Which of the following muscles produces plantar flexion of the foot?
A. Tibialis anterior
B. Soleus
C. Plantaris
D. Flexor digitorum brevis
E. Quadratus plantae
B. Soleus
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Which of the following is a function of the thalamus?
A) secrete cerebrospinal fluid B) secrete melatonin C) process sensory information and relay it to the cerebrum D) store memories E) regulate food intake
Describe the sources, targets, and primary effects of the hormones of calcium metabolism.
What will be an ideal response?
If a fair-skinned person is sunburned, why does his or her skin turn red?
A) The blood supply to the skin decreases.
B) The number of red melanocytes in the skin increases.
C) The blood flow to the skin increases.
D) Increased heat causes the skin to turn red.
E) Melanocytes increase production of red pigments.
As a result of respiratory alkalosis,
A) the kidneys conserve bicarbonate. B) the respiratory rate increases. C) the body retains less carbon dioxide. D) the tidal volume increases. E) the kidneys secrete fewer hydrogen ions.