What is the technique for determining body composition that relies on measuring the conduction of weak electric currents by adipose and lean tissue called?
a. Hydrostatic weighing
b. Bioelectrical impedance
c. Near-infrared interactance
d. Dual-energy x-ray absorptiometry
Q. 2The RDAs are derived from AIs.
Indicate whether the statement is true or false
Q. 3Glucose enters cells via:
a. endocytosis.
b. osmosis.
c. exocytosis.
d. facilitated diffusion.
Q. 4What principle is hydrostatic weighting based upon?
a. The more fat a person has, the more dense he/she is and the more he/she weighs underwater.
b. The less fat a person has, the more dense he/she is and the less he/she weighs underwater.
c. The more fat a person has, the less dense he/she is and the more he/she weighs underwater.
d. The more fat a person has, the less dense he/she is and the less he/she weighs underwater.
Q. 5The EAR and UL are used to examine the likelihood of dietary excess and adequacy, respectively.
Indicate whether the statement is true or false
Q. 6Which organ synthesizes the hormone glucagon?
a. Liver
b. Pancreas
c. Gallbladder
d. Large intestine
Q. 7What body fat percentages for males and females, respectively, indicate obesity?
a. females, > 25; males, > 20
b. females, > 40; males, > 30
c. males, > 25; females, > 33
d. males, > 15; females, > 20