KINE 433 FINAL EXAM REVIEW AND
CORRECT VERIFIED ANSWERS 2025
UPDATED.
A normal resting heart rate is determined by - Answer parasympathetic nervous system
Cardiac muscle cells are all of the following except - Answer **a. multinucleated, like skeletal
muscle
b. linked by intercalated discs
c. branched
d. stimulated involuntarily
The pulmonary veins travel from the ______ to the ______. - Answer lungs, left atrium
Extracellular Ca2+ influx stimulating intracellular Ca2+ release for contraction is called - Answer
Ca2+ -induced Ca2+ release
When you inhale, which of the following occurs as a result of the respiratory pump? - Answer
**a. thoracic vena cavae fill.
b. pulmonary capillaries collapse.
c. abdominal (inferior) vena cava expands.
d. pulmonary veins are compressed.
During heavy exercise, inhalation is assisted by? - Answer pectorals
sternocleidomastoid
scalenes
During heavy exercise, inhalation is assisted by all of the following except - Answer a. pectorals
b. sternocleidomastoid
c. scalenes
**d. internal intercostals
, During exercise, the oxygen diffusion capacity increases dramatically because - Answer lower
venous O2 content increases the PO2 gradient
As bicarbonate diffuses from the red blood cell into the plasma, ___________ moves from the
plasma into the red blood cell to prevent electrical imbalance. - Answer Chloride
A capillary bed across an exercising muscle has _____________ arterial-mixed venous oxygen
difference compared to a resting muscle. - Answer a greater
Which of the following best describes HRmax? - Answer achieved after all-out effort to
volitional fatigue
When neural and circulating norepinephrine leads to an increase in stroke volume, it is due to -
Answer increased contractility
For most individuals, stroke volume starts to plateau at approximately _______% of VO2max. -
Answer 50
Urine produced after strenuous exercise is most likely ________ compared to urine produced
before exercise. - Answer acidic
Hyperventilation causes - Answer a decrease in carbon dioxide
In previously untrained subjects, a chronic endurance training program would increase VO2max
by approximately - Answer 20%
Plasma volume increases during the first two weeks of aerobic training because - Answer
plasma protein synthesis increases
A slower rate of glycogen utilization is - Answer a beneficial adaptation conferred by aerobic
training
After aerobic training, submaximal pulmonary ventilation will be _________, and maximal
pulmonary ventilation will be ___________. - Answer decreased, increased
CORRECT VERIFIED ANSWERS 2025
UPDATED.
A normal resting heart rate is determined by - Answer parasympathetic nervous system
Cardiac muscle cells are all of the following except - Answer **a. multinucleated, like skeletal
muscle
b. linked by intercalated discs
c. branched
d. stimulated involuntarily
The pulmonary veins travel from the ______ to the ______. - Answer lungs, left atrium
Extracellular Ca2+ influx stimulating intracellular Ca2+ release for contraction is called - Answer
Ca2+ -induced Ca2+ release
When you inhale, which of the following occurs as a result of the respiratory pump? - Answer
**a. thoracic vena cavae fill.
b. pulmonary capillaries collapse.
c. abdominal (inferior) vena cava expands.
d. pulmonary veins are compressed.
During heavy exercise, inhalation is assisted by? - Answer pectorals
sternocleidomastoid
scalenes
During heavy exercise, inhalation is assisted by all of the following except - Answer a. pectorals
b. sternocleidomastoid
c. scalenes
**d. internal intercostals
, During exercise, the oxygen diffusion capacity increases dramatically because - Answer lower
venous O2 content increases the PO2 gradient
As bicarbonate diffuses from the red blood cell into the plasma, ___________ moves from the
plasma into the red blood cell to prevent electrical imbalance. - Answer Chloride
A capillary bed across an exercising muscle has _____________ arterial-mixed venous oxygen
difference compared to a resting muscle. - Answer a greater
Which of the following best describes HRmax? - Answer achieved after all-out effort to
volitional fatigue
When neural and circulating norepinephrine leads to an increase in stroke volume, it is due to -
Answer increased contractility
For most individuals, stroke volume starts to plateau at approximately _______% of VO2max. -
Answer 50
Urine produced after strenuous exercise is most likely ________ compared to urine produced
before exercise. - Answer acidic
Hyperventilation causes - Answer a decrease in carbon dioxide
In previously untrained subjects, a chronic endurance training program would increase VO2max
by approximately - Answer 20%
Plasma volume increases during the first two weeks of aerobic training because - Answer
plasma protein synthesis increases
A slower rate of glycogen utilization is - Answer a beneficial adaptation conferred by aerobic
training
After aerobic training, submaximal pulmonary ventilation will be _________, and maximal
pulmonary ventilation will be ___________. - Answer decreased, increased
