Your friend Sanjay is a vegan who eats only grains, legumes, fruits, and vegetables. Sanjay does not consume any pre-formed vitamin A. What will probably happen to Sanjay?
A) The dietary carotenoids that Sanjay eats will be converted in the body into vitamin A.
B) Sanjay will eventually go blind.
C) Sanjay will need a vitamin A supplement.
D) A lab test would show that there are sub-levels of vitamin A in Sanjay's blood.
A
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Most of the body's calories are used to maintain one's
A) Basic life processes like breathing and heart beating B) Heavy physical activity like running, weight lifting, and biking C) Daily thermogenesis D) Daily physical activity like walking, eating, and sitting
When a patient has "difficult" veins, what strategies, if any, can be used to improve the likelihood of a successful puncture?
A) slight rotation of the patient's arm to a different position B) palpating the entire antecubital area to trace vein path C) warming the site D) all of the above