Fatty acids provide the majority of the energy for muscle metabolism when a person is exercising at ________.
A. 50% of VO2max
B. 25% of VO2max
C. 100% of VO2max
D. 75% of VO2max
Answer: B
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These figures show the intrinsic muscles of the right foot. What muscle or group does number 1 indicate?
A. Flexor digitorum brevis B. Abductor digiti minimi C. Abductor hallucis D. Lumbricals E. Interossei
The apex of the ear hears sounds in the range of ________ Hz.
Fill in the blank(s) with the appropriate word(s).
The ________ is the part of the brain that coordinates musculoskeletal movement for smooth movement
Fill in the blank(s) with correct word
Regarding the partial pressures of O2 and CO2, which of the following statements is NOT true in a normal person at rest?
A. Atmospheric PO2 is greater than alveolar PO2. B. The PCO2 in air is less than alveolar PCO2. C. The PO2 in systemic arteries is typically greater than the alveolar PO2. D. PCO2 in the systemic veins is greater than systemic arterial PCO2. E. PCO2 in the pulmonary arteries is greater than pulmonary venous PCO2.