What main purpose does essential fat serve in the human body?
A. Insulation to retain body heat
B. Energy substrate for metabolism
C. Padding against physical trauma
D. Maintenance of normal physiological function
E. Enhancement of immune responses
Answer: D
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Antigen processing involves the breakdown of protein antigens and the subsequent association of peptide fragments on the surface of antigen-presenting cells with
a. immunoglobulins b. T-cell receptors c. complement proteins d. MHC class I or class II molecules e. CD4.
Gynoid obesity is seen in people who store fat primary around ____.
A. the trunk B. the abdomen C. the thighs D. the breasts E. the arms
Dehydroepiandrosterone (DHEA) is claimed to improve muscle mass and strength because it
A. increases anaerobic power. B. is an antioxidant that reduces muscle damage during exercise training. C. is a precursor to testosterone. D. enhances fat use.
What is the suffix in the term obstetrician?
A) -an B) -ian C) -cian D) -ician