Quizzes

Question 1

As a result of aerobic training, what changes in the blood do NOT occur?

Answer 1

hematocrit increases

Question 2

Which of the following is NOT a result of anaerobic training?

Answer 2

type 1 fiber hypertrophy

Question 3

Performing 30s bouts of anaerobic training increases all but which of the following enzymes?

Answer 3

citrate synthase

Question 4

Reducing the rate of glycogen utilization is ___

Answer 4

a beneficial adaptation conferred by aerobic training

Question 5

What causes plasma volume to increase during the first two weeks of aerobic trainign

Answer 5

Plasma protein synthesis increases

Question 6

Assuming aerobic exercise intensity continues to increase during a single bout of exercise, but vo2 plateaus or decreases slightly suggests that

Answer 6

VO2 max has been achieved

Question 7

Improved submaximal endurance capacity is illustrated by which of the following?

Answer 7

decreases submaximal heart rate

Question 8

As an individual becomes more endurance trained, which of the following occurs during submaximal exercise as indicated by RER

Answer 8

depending more on fat and less an carbohydrate for fuel

Question 9

The increase in SV as an individual becomes better trained aerobically is explained by what

Answer 9

preload and contractility increase, afterload decreases

Question 10

what cause (a-v) O2 difference to increase as aerobic fitness improves?

Answer 10

tissue O2 extraction increases

Question 11

Elevated plasma volume with heat acclimation leads to

Answer 11

increased cardiac output and skin blood flow

Question 12

what is the consequence of muscle glycogen and blood glucose running low during exercise in the cold?

Answer 12

suppression of shivering

Question 13

cardiovascular drift causes what

Answer 13

upward drift in heart rate

Question 14

dehydration during prolongs exercise in the heat causes which of the following variables to increase

Answer 14

heart rate

Question 15

if an athlete is exhibiting dizziness, nausea/vomiting and a rapid weak pulse but does NOT have an excessively high core temperature, they likely have

Answer 15

Heat exhaustion

Question 16

women sweat less than men at the same relative exercise intensity because

Answer 16

they produce less sweat per sweat gland

Question 17

Which of the following is the body’s primary means of heat loss during exercise?

Answer 17

evaporation

Question 18

With acclimation, what best describes how sweat glands become more sensitive to aldosterone

Answer 18

reduce sweat’s sodium content

Question 19

on a cloudless day, how does the body gain heat

Answer 19

radiation

Question 20

t/f higher circulation catecholamines during cold exposure contribute to higher FFA oxidation?

Answer 20

True

Question 21

Stroke volume will increase as a result of

Answer 21

Increased after load

Question 22

Which provides the best estimate of lactate threshold

Answer 22

Ventilatory threshold

Question 23

Which is associated with cardiovascular drift

Answer 23

Increased cardiac output

Question 24

T/F high circulating catecholamines during cold exposure contribute to higher FFA oxidation

Answer 24

False