KINE 433 FINAL EXAM REVIEW questions with
verified answers
A normal resting heart rate is determined by Ans✓✓ -parasympathetic nervous
system
Cardiac muscle cells are all of the following except Ans✓✓ -**a. multinucleated,
like skeletal muscle
b. linked by intercalated discs
c. branched
d. stimulated involuntarily
The pulmonary veins travel from the ______ to the ______. Ans✓✓ -lungs, left
atrium
Extracellular Ca2+ influx stimulating intracellular Ca2+ release for contraction is
called Ans✓✓ -Ca2+ -induced Ca2+ release
When you inhale, which of the following occurs as a result of the respiratory
pump? Ans✓✓ -**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? Ans✓✓ -pectorals
sternocleidomastoid
scalenes
, During heavy exercise, inhalation is assisted by all of the following except
Ans✓✓ -a. pectorals
b. sternocleidomastoid
c. scalenes
**d. internal intercostals
The pressure gradient that is found in the pulmonary circulation (i.e., from
pulmonary arteries to pulmonary veins or left atrium) is approximately Ans✓✓ -
10 mmHg
During exercise, the oxygen diffusion capacity increases dramatically because
Ans✓✓ -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.
Ans✓✓ -Chloride
A capillary bed across an exercising muscle has _____________ arterial-mixed
venous oxygen difference compared to a resting muscle. Ans✓✓ -a greater
Which of the following best describes HRmax? Ans✓✓ -achieved after all-out
effort to volitional fatigue
When neural and circulating norepinephrine leads to an increase in stroke volume,
it is due to Ans✓✓ -increased contractility
verified answers
A normal resting heart rate is determined by Ans✓✓ -parasympathetic nervous
system
Cardiac muscle cells are all of the following except Ans✓✓ -**a. multinucleated,
like skeletal muscle
b. linked by intercalated discs
c. branched
d. stimulated involuntarily
The pulmonary veins travel from the ______ to the ______. Ans✓✓ -lungs, left
atrium
Extracellular Ca2+ influx stimulating intracellular Ca2+ release for contraction is
called Ans✓✓ -Ca2+ -induced Ca2+ release
When you inhale, which of the following occurs as a result of the respiratory
pump? Ans✓✓ -**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? Ans✓✓ -pectorals
sternocleidomastoid
scalenes
, During heavy exercise, inhalation is assisted by all of the following except
Ans✓✓ -a. pectorals
b. sternocleidomastoid
c. scalenes
**d. internal intercostals
The pressure gradient that is found in the pulmonary circulation (i.e., from
pulmonary arteries to pulmonary veins or left atrium) is approximately Ans✓✓ -
10 mmHg
During exercise, the oxygen diffusion capacity increases dramatically because
Ans✓✓ -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.
Ans✓✓ -Chloride
A capillary bed across an exercising muscle has _____________ arterial-mixed
venous oxygen difference compared to a resting muscle. Ans✓✓ -a greater
Which of the following best describes HRmax? Ans✓✓ -achieved after all-out
effort to volitional fatigue
When neural and circulating norepinephrine leads to an increase in stroke volume,
it is due to Ans✓✓ -increased contractility
