1. Select the organs in which adrenaline is most likely to cause vasodilation by
ID: 3516121 • Letter: 1
Question
1. Select the organs in which adrenaline is most likely to cause vasodilation by binding to Beta-2 Adrenergic Receptors. Select all that apply.
A.
Liver
B.
Myocardium
C.
Lungs
D.
Skeletal muscle
E.
Kidneys
2. Which of the following statements is true concerning acid-base balance and exercise intensity?
As intensity increases, lactic acid production decreases.
As intensity increases, hydrogen ion production increases.
As intensity increases, pH usually increases.
As intensity increases, the carbaminohemoglobin concentration decreases.
3. which of the following sport events is likely to be the riskiest in terms of acid-base imbalance?
Marathon
American Football
100m Swim
Baseball
4. A person is taking a supplement that makes their “lungs robust and resistant to damage.” This agent is associated with thickening of the alveolar walls. You would expect
A.
Improved pulmonary compliance
B.
Improved conduction of gases
C.
Reduced gas exchange
D.
All of the above
5. Basically the body core temperature is regulated during exercise in hot weather by __?__.
A.
decreasing the heart rate
B.
increasing the flow of warm blood to the body core so that it will be cooled by convection
C.
shifting warm core blood to the skin so that it can be cooled by evaporation of sweat
D.
vasoconstriction of the vessels near the skin so that radiation by the sun does not warm the blood
E.
C and D are both correct
A.
Liver
B.
Myocardium
C.
Lungs
D.
Skeletal muscle
E.
Kidneys
Explanation / Answer
1. D (it mainly affects skeletal muscle, skin and digestive tract)
2. B (lactic acid production increases and ph decreases with increased intensity)
3. C
4. C
5. C
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.