CISSN EXAM AND STUDY GUIDE NEWEST 2026 TEST
BANK| CERTIFIED SPORTS NUTRITIONIST FROM
INTERNATIONAL SOCIETY OF SPORTS NUTRITION
CERTIFICATION EXAM PREP WITH COMPLETE 550
REAL EXAM QUESTIONS AND CORRECT VERIFIED
ANSWERS/ ALREADY GRADED A+
Which of the following activities uses the ATP-Pcr energy system as the
primary energy system?
A. Marathon run
B. 1500m run
C. 400m sprint
D. high jump - Correct Answer - D- high jump
Which of the following are NOT skeletal muscle adaptations after
chronic heavy resistance training?
A. An increase in muscle fiber cross-sectional area.
B. An increase in muscle fiber number
C. An increase in fast-twitch muscle fiber size
D. An increase in slow-twitch muscle fiber size - Correct Answer - B- an
increase in muscle fiber number
Which of the following supplements, when taken in the correct dosage
and duration, ultimately lead to an enhanced buffering capacity?
A. Creatine
B. Caffeine
pg. 1
,C. Beta-alanine
D. All of the answers are correct - Correct Answer - C- Beta-alanine
Which of the following is NOT a side effect of creatine
supplementation?
A. kidney dysfunction
B. gains in lean body mass
C. gains in muscle fiber cross-sectional area
D. gains in muscular strength - Correct Answer - A- kidney dysfunction
According to one theory, the ergogenic effect of caffeine during high
intensity endurance exercise results from the ________
A. increased use of carbohydrates
B. increased use of proteins
C. facilitated use of fat thus spanning the limited glycogen reserves
D. sparing of amino acids - Correct Answer - C- facilitated use of fat
thus spanning the limited glycogen reserves
Which of the following is the most common side effect from creatine
supplementation reported in the scientific literature
A. Muscle Cramping
B. Dehydration
C. Weight Gain
D. Joint Injuries - Correct Answer - C- Weight Gain
pg. 2
,While running on a treadmill, a subject's respiratory exchange ratio was
measured at 0.75. This indicates
A. ethanol
B. protein
C. carbohydrate
D. free fatty acids - Correct Answer - D- free fatty acids
In humans, glucose may be produced by gluconeogenesis, synthesizing
it from all of the following except:
A. pyruvate
B. fatty acids
C. glycerol
D. carbon skeletons of specific amino acids - Correct Answer - B- fatty
acids
Which of the following reflect aerobic training adaptations that enhance
fat oxidation during exercise?
A. Increased size and number of mitochondria in trained muscle
B. Decreased capillarization in trained muscle
C. Augmented fatty acid transport within the trained muscle cell from
HDL
D. A decreased utilization of intramuscular triglycerides - Correct
Answer - A- Increased size and number of mitochondria in trained
muscle
Beta-alanine supplementation will increase __________ concentrations
regardless of low or high baseline levels, with no upper limit
pg. 3
, A. carnitine
B. carnosine
C. free fatty acid
D. carotene - Correct Answer - B- carnosine
Which of these is not an essential amino acid?
A. glycine
B. valine
C. leucine
D. isoleucine - Correct Answer - A- glycine
_________ and ___________ are the primary electrolytes lost through
exercise.
A. sodium and phosphate
B. potassium and calcium
C. sodium and potassium
D. potassium and ATP - Correct Answer - C- sodium and potassium
Elevated blood glucose levels cause the beta cells of the pancreas to
secrete the hormone ___.
A. glucagon
B. somatostatin
C. thyroxin
D. insulin - Correct Answer - D- insulin
pg. 4
BANK| CERTIFIED SPORTS NUTRITIONIST FROM
INTERNATIONAL SOCIETY OF SPORTS NUTRITION
CERTIFICATION EXAM PREP WITH COMPLETE 550
REAL EXAM QUESTIONS AND CORRECT VERIFIED
ANSWERS/ ALREADY GRADED A+
Which of the following activities uses the ATP-Pcr energy system as the
primary energy system?
A. Marathon run
B. 1500m run
C. 400m sprint
D. high jump - Correct Answer - D- high jump
Which of the following are NOT skeletal muscle adaptations after
chronic heavy resistance training?
A. An increase in muscle fiber cross-sectional area.
B. An increase in muscle fiber number
C. An increase in fast-twitch muscle fiber size
D. An increase in slow-twitch muscle fiber size - Correct Answer - B- an
increase in muscle fiber number
Which of the following supplements, when taken in the correct dosage
and duration, ultimately lead to an enhanced buffering capacity?
A. Creatine
B. Caffeine
pg. 1
,C. Beta-alanine
D. All of the answers are correct - Correct Answer - C- Beta-alanine
Which of the following is NOT a side effect of creatine
supplementation?
A. kidney dysfunction
B. gains in lean body mass
C. gains in muscle fiber cross-sectional area
D. gains in muscular strength - Correct Answer - A- kidney dysfunction
According to one theory, the ergogenic effect of caffeine during high
intensity endurance exercise results from the ________
A. increased use of carbohydrates
B. increased use of proteins
C. facilitated use of fat thus spanning the limited glycogen reserves
D. sparing of amino acids - Correct Answer - C- facilitated use of fat
thus spanning the limited glycogen reserves
Which of the following is the most common side effect from creatine
supplementation reported in the scientific literature
A. Muscle Cramping
B. Dehydration
C. Weight Gain
D. Joint Injuries - Correct Answer - C- Weight Gain
pg. 2
,While running on a treadmill, a subject's respiratory exchange ratio was
measured at 0.75. This indicates
A. ethanol
B. protein
C. carbohydrate
D. free fatty acids - Correct Answer - D- free fatty acids
In humans, glucose may be produced by gluconeogenesis, synthesizing
it from all of the following except:
A. pyruvate
B. fatty acids
C. glycerol
D. carbon skeletons of specific amino acids - Correct Answer - B- fatty
acids
Which of the following reflect aerobic training adaptations that enhance
fat oxidation during exercise?
A. Increased size and number of mitochondria in trained muscle
B. Decreased capillarization in trained muscle
C. Augmented fatty acid transport within the trained muscle cell from
HDL
D. A decreased utilization of intramuscular triglycerides - Correct
Answer - A- Increased size and number of mitochondria in trained
muscle
Beta-alanine supplementation will increase __________ concentrations
regardless of low or high baseline levels, with no upper limit
pg. 3
, A. carnitine
B. carnosine
C. free fatty acid
D. carotene - Correct Answer - B- carnosine
Which of these is not an essential amino acid?
A. glycine
B. valine
C. leucine
D. isoleucine - Correct Answer - A- glycine
_________ and ___________ are the primary electrolytes lost through
exercise.
A. sodium and phosphate
B. potassium and calcium
C. sodium and potassium
D. potassium and ATP - Correct Answer - C- sodium and potassium
Elevated blood glucose levels cause the beta cells of the pancreas to
secrete the hormone ___.
A. glucagon
B. somatostatin
C. thyroxin
D. insulin - Correct Answer - D- insulin
pg. 4
