Which cells produce testosterone?
A. Cumulus cells
B. Sustentacular cells
C. Spermatogonia
D. Seminiferous cells
E. Interstitial endocrine cells
Answer: E
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The thymus gland secretes erythropoietin in response to low blood oxygen
Indicate whether this statement is true or false.
This layer of skin is composed of keratinocytes.
A. Reticular layer B. Epidermis C. Dermis D. Subcutaneous layer E. Papillary layer
Which of the following conditions would be expected to reduce the free (i.e., ionized) [Ca++] in the plasma?
A. metabolic acidosis B. reduced dietary intake of phosphate C. a tumor secreting parathyroid hormone–like peptide D. ingestion of calcitriol E. acute respiratory alkalosis
A baseball pitcher who injures one of his SITS muscles most commonly sustains tears to the tendon of which muscle?
A. Supraspinatus B. Deltoid C. Infraspinatus D. Teres minor E. Subscapularis