If the movement of molecules in the body requires ATP and a transport protein, the transport system is _____
a. facilitated diffusion
b. osmosis
c. passive transport
d. carrier mediated
d
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Which of the following is a characteristic of iron deficiency in children?
a. It affects brain function before anemia sets in. b. It rarely develops in those with high intakes of milk. c. It is the primary factor in tension-fatigue syndrome. d. Mild deficiency enhances mental performance by lowering physical activity level, thereby leading to increased attention span. e. Children who had iron deficiency as infants recover completely when iron levels are normalized.
Sugars provide _____ kcal of energy per gram of weight
a. 3 kcal b. 4 kcal c. 5 kcal d. 6 kcal
Prolonged vomiting is likely to lead to what type of acid-base imbalance?
a. respiratory alkalosis b. respiratory acidosis c. metabolic alkalosis d. metabolic acidosis e. lactic acidosis
Peak bone mass will typically occur when a person is in his or her __________.
a. 40s b. 20s c. 80s d. 60s