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- 1. Multiple Choice
Identify the term for the following definition: The maintenance of body temperature and the heat exchange that occurs between the body and the environment
Thermoregulation
Homeostasis
Hypothemia
Acute responses
- 2. Multiple Choice
Vasodilation is...
When the blood vessels contrict
When a blood vessel shortens in length
The decrease of blood flow to the tissues
The widening of the blood vessels
- 3. Multiple Choice
Which best defines heart rate?
The rate in which the blood travels through the heart
The amount of blood the heart pumps per minute
The number of times the heart contracts or beats per minute
The number of times the heart contracts or beats per second
- 4. Multiple Choice
When we exercise, cardiac output increases due to the increase in both...
Stroke volume and steady state
Heart rate and stroke volume
The amount of blood being pumped from the heart
Blood volume and blood flow redistribution
- 5. Multiple Choice
Systolic blood pressure...
Decreases when we participate in physical activity
Causes the diastolic blood pressure to significantly increase when exercising
Increases when we participate in physical activity
- 6. Multiple ChoiceCARDIAC OUTPUT IS...The number of times the heart beats in one minute.The amount of blood ejected by the left ventricle per beat.The amount of blood pumped out of the heart in one minutePressure in the arteries following contraction of ventricles as blood is pumped out of the heart.
- 7. Multiple ChoiceSTROKE VOLUME IS...The amount of blood ejected by the left ventricle per beat.The amount of blood pumped out of the heart in one minuteThe number of times the heart beats in one minute.The blood returning to the heart via the inferior and superior vena cava.
- 8. Multiple ChoiceREDISTRIBUTION OF BLOOD FLOW IS...During exercise, blood flow is redirected away from the spleen, kidneys, guts and inactive muscles so that working muscles receive a greater % of Q.Pressure in the arteries following contraction of ventricles as blood is pumped out of the heart.During aerobic exercise, blood volume decreases. Plasma volume decreases rapidly in the first 5 minutes of exercise then stabilises.
- 9. Multiple ChoiceVASOCONSTRICTION IS...A increase in the diameter of a blood vessel, resulting in a decrease in blood flow to the area supplied by the blood vessel.A increase in the diameter of a blood vessel, resulting in a increase in blood flow to the area supplied by the blood vessel.A decrease in the diameter of a blood vessel, resulting in a decrease in blood flow to the area supplied by the blood vessel.A decrease in the diameter of a blood vessel, resulting in no change in blood flow to the area supplied by the blood vessel.
- 10. Multiple ChoiceTIDAL VOLUME IS...How much air is inspired or expired in one breath.How much air is breathed in or out in one minute.The number of breaths taken in one minute.(VO2 )The volume of oxygen that can be taken up and used by the body per minute.
- 11. Multiple ChoiceVENTILATION IS...How much air is inspired or expired in one breath.How much air is breathed in or out in one minute.The number of breaths taken in one minute.(VO2 )The volume of oxygen that can be taken up and used by the body per minute.
- 12. Multiple Choice
The redistribution of blood flow during exercise increases to the:
Kidneys
Liver
Brain
Muscles
- 13. Multiple ChoiceDIFFUSION IS...How much air is inspired or expired in one breath.The number of breaths taken in one minute.(VO2 )The volume of oxygen that can be taken up and used by the body per minute.The movement of molecules from an area of higher pressure to one of lower concentration.
- 14. Multiple Choice
A result of participating in a bout of high intensity exercise, which statement is most correct
Increase lactic adic levels, decrease muscle temperature
Decrease lactic acid levels, decrease muscle temperature
Increase lactic acid levels, increase muscle temperature
Decrease lactic acid levels, decrease muscle temperature
- 15. Multiple Choice
Acute respiratory responses to exercise do not include:
Ventilation
Cardiac Output
Tidal Volume
Pulmonary Diffusion
- 16. Multiple Choice
Movement of O2 and CO2 from an area of high concentration to an area of low concentration is:
Ventilation
Redistribution of blood flow
Pulmonary diffusion
Increased blood flow to working muscles
- 17. Multiple Choice
Which of the following is not an acute respiratory response to increased exercise intensity?
Increased tidal volume
Increased stroke volume
Increased gaseous exchange at the lungs
Increased intercostal muscle contractions
- 18. Multiple Choice
During continuous exercise the heart rate increases and the force of contraction is also greater. This results in:
An increase in diastolic blood pressure.
An increase in systolic blood pressure.
An increase in diastolic and systolic blood pressure.
No change to systolic blood pressure.
- 19. Multiple Choice
The arteriovenous oxygen difference
Decreases in response to increased exercise loads
Increases in response to increased exercise loads
Plateaus when VO2 max is achieved
Is primarily fuelled by the aerobic energy system
- 20. Multiple Choice
The level of response of acute physiological changes within the body systems when participating in physical activity is dependent on:
duration of the activity
intensity of the activity
type of activity
all of the above
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