Physiology Questions

What does decreasing values of PCO2 (in blood) at the end of exercise suggest?

Anaerobic glycolysis: _________ power and capacity

True or False: If HR Reserve >15%, the exercise test is not considered maximal

VO2 increases linearly with ________ ________

During heavy intensity exercise, VCO2 is _____________ than VO2

At high intensity exercise, VCO2 is _____________ than VO2

At low intensity exercise, VCO2 is ___________ than VO2

Heart rate and stroke volume _____________ with exercise

What does stable or increasing PO2 (in blood) with exercise suggest?

True or False: peak VO2 indicates aerobic capacity

What does initial stable values of PCO2 (in blood) with exercise suggest?

A Rate Pressure Product greater than 30,000 mmHg bpm predicts the ____________ of coronary artery disease

A linear __________ in HR and SBP is expected with exercise testing

An increase in minute ventilation (VE) with low respiratory frequency (f) suggests early reliance on increasing ______________ _______________

3. What becomes greater as the duration of exercise increases?A) The reliance on anaerobic metabolismB) The reliance on carbohydrate metabolismC) The reliance on aerobic metabolism

3. The glycolytic pathway is restricted to _______________.

5. What type of energy system does high-intensity exercise that continues for more than a few seconds depend on?a) Aerobic glycolysisb) Anaerobic glycolysisc) Krebs cycled) Oxidative phosphorylation

6. From what energy source is energy derived mainly during exercise of low-to-moderate intensity?a) Glucoseb) Fatty acidsc) Proteinsd) Both a and b

1. Protein, fat, and carbohydrate are possible sources of fuel for ______________ generation and muscle contraction.

3. Which type of muscle fibers show an increase in mitochondria with aerobic training?a. Type I (slow-twitch) fibers.b. Type IIB (fast-twitch) fibers.c. Type IIA (intermediate fast-twitch) fibers.