Which of the following is CORRECT regarding stroke volume?
A) Tachycardia over 150 bpm increases stroke volume.
B) Stroke volume fails to compensate if the heart rate falls under 50 bpm.
C) Stroke volume has no effect on cardiac perfusion.
D) Increased stroke volume leads to increased pulse rate.
Answer: B
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Brian is in the medical office complaining of pain and stiffness in his left elbow. He is a member of the crew team at his college, and the stiffness is affecting his ability to row. Which types of testing would you expect the practitioner to perform first?
A. Posture testing and muscle strength testing B. Mobility and muscle strength testing C. Gait testing and blood testing D. Muscle strength and gait testing E. Blood testing and posture testing