CERTIFIED NUTRITION SPECIALIST
(CNS) FINAL EXAM 2025 NEWEST
ACTUAL EXAM QUESTIONS AND
CORRECT ANSWERS (VERIFIED
ANSWERS) | A+ GRADE
After 25 years of age, on average, people lose about ____
of their RMR every decade.
a. 15%
b. 2-4%
c. 10-12%
d. 0% Correct Answer b. 2-4%
Lower intensity activity offers very little in the way of
muscle preservation.
a. true
b. false Correct Answer a. true
_____ seems to prevent muscle loss and preserve RMR
most effectively:
a. cycling to get around town
b. Gentle hatha yoga
c. intense exercise
d. meditation Correct Answer c. intense exercise
Sleep improves the secretion of ____ hormones.
a. catabolic
b. anabolic
,c. neither
d. both Correct Answer b. anabolic
The following let nerve impulses travel along the
sarcolemma, deep inside the cell, to tell the muscles to fire
and contract.
a. T-Tubules
b. sarcoplasm
c. mitochondria
d. myofibrils Correct Answer a. T-tubules
Why do muscles cells have numerous mitochondria?
a. for buffering capacity
b. They don't
c. muscle cells require large amounts of energy
d. for glycogen storage Correct Answer c. muscle cells
require large amounts of energy
Vitamin C increases the bioavailability of nonheme iron by
a. binding to ferritin in the intestinal cell
b. increasing the activity of the digestive enzymes in the
small intestine
c. reducing ferric iron to ferrous iron
d. helping iron bind to chelators in the intestinal tract
Correct Answer Answer: C. reducing ferric to ferrous iron
Ceruloplasmin transports _______ in the blood.
a. cobalt
b. copper
,c. selenium
d. molybdenum Correct Answer Answer: B. copper
Ceruloplasmin transports COPPER in the blood.
Thyroid-stimulating hormone (TSH) stimulates
a. uptake of iodine by the thyroid gland
b. excretion of iodine in the urine
c. increased absorption of iodine in the small intestine
d. release of iodine from the thyroid gland into the blood
Correct Answer Answer: A. uptake of iodine by the thyroid
gland
Glutathione peroxidases require which of the following
trace minerals?
a. manganese
b. iron
c. fluoride
d. selenium Correct Answer Answer: D selenium
Glutathione peroxidases require selenium. Selenium
is a component of selenoproteins involved in REDOX
reactions and protecting the body from oxidative
damage.
_____________ requires chromium for optimal function.
a. gastrin
b. insulin
, c. thyroid hormone
d. glucagon Correct Answer Answer: B. insulin
Regulation of the amount of manganese in the body is via
its loss in the _________.
a. urine
b. blood
c. sweat
d. feces Correct Answer Answer: D. feces
The more intense the exercise, and the more muscles
utilized, the less oxygen consumed.
a. true
b. false Correct Answer b. false
MET is short for what?
a. metabolism
b. metabolic equivalent
c. metrics Correct Answer b. metabolic equivalent
A MET is equal to 3.5 mL of oxygen per kilogram of
bodyweight per minute.
a. true
b. false Correct Answer a. true
What is the purpose of EPOC (excess post-exercise
oxygen consumption)?
a. to metabolize additional nutrients
b. To replenish the energy stores that have been used up
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