Question 1

What nutrient is important in the transport of oxygen in blood and in muscle tissue and in energy transformation reactions?

Accepted Answer

A)  Iron
B)  Calcium
C)  Thiamin
D)  Vitamin CE) All of the above
F) C) and D)

Question 2

Which of the following is a feature of androstenedione use in athletes?

Accepted Answer

A)  It is a dangerous alternative to anabolic steroid use.
B)  It is synthesized in the body by the thyroid gland.
C)  It leads to testicular enlargement and liver atrophy.
D)  It reduces free radical formation and slows the aging process but does not enhance performance.E) A) and C)
F) None of the above

Question 3

Which of the following best exemplifies an activity that promotes flexibility?

Accepted Answer

A)  Yoga
B)  Pilates
C)  Weight lifting
D)  Jumping ropeE) B) and D)
F) None of the above

Question 4

Which of the following describes an effect of caffeine use in the athlete?

Accepted Answer

A)  It stimulates fatty acid release
B)  It enhances performance for almost all athletes
C)  It raises blood pH to counteract the buildup of lactate
D)  It promotes absorption of electrolytes from the intestinal tractE) A) and B)
F) C) and D)

Question 5

A tissue deprived of an oxygen supply during exercise would develop an accumulation of

Accepted Answer

A)  ATP.
B)  lactate.
C)  glucose-1-phosphate.
D)  TCA cycle intermediates.E) A) and B)
F) None of the above

Question 6

Which of the following is the most significant rationale for eliminating alcohol intake in athletic performance?

Accepted Answer

A)  It is not metabolized in muscle
B)  It inhibits glycogen breakdown
C)  It inhibits creatine phosphate synthesis
D)  It interferes with ATP synthesis in the liverE) A) and B)
F) B) and C)

Question 7

During physical performance,what is the role of creatine phosphate?

Accepted Answer

A)  Removal of lactic acid
B)  Transfer of energy to make ATP
C)  Removal of nitrogen waste products
D)  Transfer of phosphate to muscle fiberE) B) and D)
F) A) and B)

Question 8

What substance contains the chemical energy that drives immediate muscle contraction?

Accepted Answer

A)  ATP
B)  NAD
C)  Glucose
D)  Fatty acidsE) None of the above
F) B) and D)

Question 9

Athletes can safely add muscle tissue by

Accepted Answer

A)  tripling protein intake.
B)  taking hormones duplicating those of puberty.
C)  putting a demand on muscles repeatedly by making them work harder.
D)  relying on protein for muscle fuel and decreasing intake of carbohydrates.E) B) and D)
F) B) and C)

Question 10

All of the following are characteristics of electrolyte metabolism in sports EXCEPT

Accepted Answer

A)  the trained athlete actually loses fewer electrolytes than the untrained person.
B)  replenishment of lost electrolytes in most athletes can be accomplished by ingesting a regular diet.
C)  sweating leads to significant losses of calcium,sulfur,and chromium,which can be replaced by including milk and whole grains in the diet.
D)  salt tablet supplements to replace electrolyte losses of sweat are known to cause fluid retention in the GI tract,irritation of the stomach,and vomiting.E) A) and D)
F) B) and C)

Question 11

What is the Cori cycle?

Accepted Answer

A)  A process in the liver that regenerates glucose from lactate released by muscles
B)  A sequence of coordinated muscle contractions of slow-twitch and fast-twitch fibers
C)  An exercise machine that allows development of both aerobic and anaerobic capacities
D)  A group of enzymatic reactions that accelerate muscle glycogen repletion in trained athletesE) B) and D)
F) B) and C)

Question 12

Which of the following describes a characteristic of fat use during physical activity?

Accepted Answer

A)  It is released as fatty acids from internal fat stores and subcutaneous fat
B)  Upon commencement of an activity,blood fatty acids rise to provide an immediate source of fuel
C)  Fat that is present within the muscle fiber represents the primary source of energy for that muscle
D)  After consumption of a high-fat diet for at least 3 days,physical activities are performed as efficiently as from intake of a high-carbohydrate dietE) All of the above
F) B) and C)

Question 13

Hyponatremia refers to low blood levels of

Accepted Answer

A)  water.
B)  sodium.
C)  glucose.
D)  potassium.E) A) and C)
F) A) and B)

Question 14

Which of the following substances increases in muscles during intense exercise?

Accepted Answer

A)  ATP
B)  Lactate
C)  Glycogen
D)  PhosphocreatineE) A) and B)
F) B) and C)

Question 15

What is the recommended composition of the postgame meal of the athlete?

Accepted Answer

A)  Low-protein
B)  High-protein
C)  Low-carbohydrate
D)  High-carbohydrateE) All of the above
F) C) and D)

Question 16

What cellular organelles are responsible for producing ATP aerobically?

Accepted Answer

A)  Ribosomes
B)  Golgi bodies
C)  Mitochondria
D)  Cell membranesE) All of the above
F) A) and B)

Question 17

What type of meal and time of its ingestion promote the most rapid repletion of glycogen stores after physical activity?

Accepted Answer

A)  Mixed meal taken within 4 hours
B)  Mixed meal taken within 30 minutes
C)  High-carbohydrate meal taken within 2 hours
D)  High-carbohydrate meal taken within 15 minutesE) A) and D)
F) A) and C)

Question 18

Which of the following ergogenic aids increases the risk for acromegaly?

Accepted Answer

A)  HMB
B)  Creatine
C)  Octacosanol
D)  Growth hormoneE) A) and B)
F) C) and D)

Question 19

Which of the following is NOT true regarding endurance athletes competing in events lasting longer than 3 hours?

Accepted Answer

A)  They need to replace sodium during the event
B)  They should eat pretzels during the second half of the event
C)  They can easily replace sodium loss by consuming conventional sports drinks during the event
D)  They are susceptible to hyponatremia if they refrain from adequate sodium intake during the eventE) None of the above
F) B) and D)

Question 20

Which of the following is a characteristic of sports anemia?

Accepted Answer

A)  It requires prolonged treatment
B)  It is a temporary condition requiring no treatment
C)  It responds to treatment only with high doses of iron
D)  It is due primarily to increased iron loss via perspirationE) None of the above
F) B) and D)

Exam 14: Fitness: Physical Activity, nutrients, and Body Adaptations

What cellular organelles are responsible for producing ATP aerobically?

Correct AnswerverifiedShow Answer

What is the Cori cycle?

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What substance contains the chemical energy that drives immediate muscle contraction?

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Which of the following describes a characteristic of fat use during physical activity?

Correct AnswerverifiedShow Answer

Hyponatremia refers to low blood levels of

Correct AnswerverifiedShow Answer

Which of the following is NOT true regarding endurance athletes competing in events lasting longer than 3 hours?

Correct AnswerverifiedShow Answer

Which of the following is the most significant rationale for eliminating alcohol intake in athletic performance?

Correct AnswerverifiedShow Answer

Which of the following is a feature of androstenedione use in athletes?

Correct AnswerverifiedShow Answer

Which of the following best exemplifies an activity that promotes flexibility?

Correct AnswerverifiedShow Answer

What type of meal and time of its ingestion promote the most rapid repletion of glycogen stores after physical activity?

Correct AnswerverifiedShow Answer

During physical performance,what is the role of creatine phosphate?

Correct AnswerverifiedShow Answer

Athletes can safely add muscle tissue by

Correct AnswerverifiedShow Answer

What nutrient is important in the transport of oxygen in blood and in muscle tissue and in energy transformation reactions?

Correct AnswerverifiedShow Answer

Which of the following describes an effect of caffeine use in the athlete?

Correct AnswerverifiedShow Answer

What is the recommended composition of the postgame meal of the athlete?

Correct AnswerverifiedShow Answer

All of the following are characteristics of electrolyte metabolism in sports EXCEPT

Correct AnswerverifiedShow Answer

Which of the following ergogenic aids increases the risk for acromegaly?

Correct AnswerverifiedShow Answer

Which of the following is a characteristic of sports anemia?

Correct AnswerverifiedShow Answer

A tissue deprived of an oxygen supply during exercise would develop an accumulation of

Correct AnswerverifiedShow Answer

Which of the following substances increases in muscles during intense exercise?

Correct AnswerverifiedShow Answer

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