During protein catabolism, the body is protected against ammonia toxicity because the
A) blood transport protein albumin carries ammonia to the lungs, where it is exhaled.
B) liver combines ammonia with carbon dioxide to form urea.
C) kidneys excrete ammonia from the bloodstream in urine.
D) blood transport protein albumin carries ammonia to working cells, which can catabolize it for energy.
Q. 2The MOST common micronutrient deficiency in the world is
A) calcium. B) iron. C) selenium. D) sodium.
Q. 3Which macronutrient has the highest satiety value?
A) protein B) carbohydrates C) fat D) water
Q. 4Which sequence below BEST describes the vicious cycle of malnutrition?
A) disease, infection, malnutrition, susceptibility to additional diseases
B) malnutrition, infection, worsening malnutrition, increased vulnerability to infections
C) relative health, infection, worsening health, poverty, malnutrition
D) infection, malnutrition, wasting, death
Q. 5Feelings of hunger are triggered by stimulation of cells in the
A) satiety center. B) adrenal gland. C) pituitary gland. D) feeding center.
Q. 6The RDA for vitamin D is based on the assumption that an individual does not get enough sun.
Indicate whether the statement is true or false
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