WorksheetsExercise Physiology Test #2b Review
Total questions: 15
Worksheet time: 8mins
What is the normal range of values for cardiac output in a 20-year-old untrained female at rest?
45-55 liters/min
20-25 Liters/min
5-10 Liters/min
3-5 L/min
A-V O2 difference does not change with an increase in exercise intensity.
True
False
Shear stress from blood flow on which body tissue results in nitric oxide production?
Endothelial Tissue
Muscle Tissue
Nervous Tissue
Connective Tissue
The Intrinsic pathway begins at which location?
SA Node
AV Node
Bundle of His
Purkinje Fibers
Exercise ____ blood flow to the kidneys, resulting in erythropoietin production
Increases
Decreases
Which of the following items contributes to Vascular Resistance?
Cardiac output
Humoral factors
Heart rate
Stroke volume
With exercise, would you expect the duration of the QRS to significantly change?
Yes, it would get significantly longer
Yes, it would get significantly shorter
No, it would have no significant change
What is a QRS complex?
Heat transfer by conduction utilizes
Direct molecule to molecule contact
Movement of wind/air molecules across the skin
Electromagnetic waves
Vaporizing of water
The primary adaptation to the CV system with chronic exercise participation is:
Heart Rate
Stroke Volume
A-V O2 difference
None of these
Heat Stroke is the most severe heat-related illness when exercising in hot environments.
True
False
Ensuring there is no trapped air within layers of clothing is a key behavioral strategy to promote the maintenance of body temperature when exercising in cold environments.
True
False
Blood pressure ultimately dictates blood flow.
True
False
Which of the following variables will be roughly the same at VO2max when comparing an untrained individual to their variables after chronic training?
Stroke Volume
VO2max
Heart Rate
systolic blood pressure
Localized vasodilation overrides the systemic vasoconstriction observed during exercise to ensure increased blood flow to working muscle.
True
False
Which CV variable does not increase when transitioning from rest to exercise?
Systolic BP
Diastolic BP
Cardiac Output (CO, Q)
VO2
