Calcidiol circulates in the blood and is converted to calcitriol in the
A. kidney.
B. skin.
C. liver.
D. bone.
A
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Which number indicates a dermal papilla?
A. 1 B. 2 C. 3 D. 4 E. 5
Explain the functions of the three types of folds found in the small intestine, from largest to smallest
What will be an ideal response?
When do the accessory respiratory muscles become active?
A. The muscles of expiration are the abdominal and diaphragm muscles. B. The muscles of expiration are the abdominal and internal intercostals muscles. C. The muscles of expiration are the external and internal intercostals muscles. D. Exhalation is a passive process and does not require the action of any muscles
Which blood component is NOT correctly matched with its function?
A. Platelets - phagocytize bacteria B. Monocytes - become macrophages C. Plasma proteins - maintain blood osmotic pressure; involved in clotting D. Erythrocytes - transport oxygen E. Leukocytes - protect against disease