At any given time, approximately what percentage of all U.S. adults are attempting to lose weight?
a. 10 b. 20
c. 40 d. 60
Q. 2Which 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
Q. 3Where is the epiglottis located?
a. Throat b. Bile duct
c. Pancreatic duct d. Lower esophagus
Q. 4To help prevent body fat gain, the DRI suggests daily, moderately intense, physical activities totaling
a. 20 minutes. b. 60 minutes.
c. 1 1/2 hours. d. 3 hours.
Q. 5Which of the following is NOT among the features of iron nutrition in children?
a. Anemia makes children more disruptive
b. General symptoms of iron deficiency are similar to those of mild lead toxicity
c. The brain appears to be less sensitive to iron deficiency than the rest of the body
d. Children who had iron-deficiency anemia as infants do not show normal school performance even after iron status has improved
Q. 6Which of the following is NOT a sphincter muscle?
a. Anus b. Cardiac
c. Duodenum d. Ileocecal valve
Q. 7Television watching contributes to obesity for all of the following reasons EXCEPT
a. it promotes inactivity.
b. it promotes between-meal snacking.
c. it replaces time that could be spent eating.
d. it gives high exposure to energy-dense foods featured in the commercial advertisements.
Q. 8Jenny is a 13-year-old Hare Krishna who follows a vegan diet due to religious beliefs. She has not been performing as well as her non-vegetarian study friend on math tests and has been very upset about it. The teacher reports to Jenny's mom that she does not appear focused during lessons and can't seem to concentrate on her school work. Which of the following may provide a likely explanation?
a. The diet doesn't provide enough energy for her to stay alert
b. The diet provides insufficient bioavailable iron and she many be anemic
c. The diet contains insufficient calcium and protein, which impairs intellectual performance
d. The high fiber content of a vegan diet that promotes stool formation increases the urge to evacuate, which interferes with her ability to concentrate
Q. 9Which of the following describes the anatomy of the gastrointestinal tract?
a. A vat-like vessel b. A rigid, solid tunnel
c. A flexible muscular tube d. A firm, duct-like channel
Q. 10Which of the following is a feature of physical inactivity and energy balance?
a. There is a strong genetic component to reduced physical activity of overweight people
b. Differences in the time obese and lean people spend lying, sitting, standing, and moving account for about 350 kcalories per day
c. Although watching television correlates with weight gain, playing video games does not, presumably due to the heightened excitement engendered by action games
d. Extraordinarily inactive people who lower their food intakes below that of their lean counterparts activate brown adipose tissue uncoupling proteins that stimulate hyperthermic weight loss
Quick Reply
