What must occur during exercise to ensure adequate oxygen delivery to cardiac muscle?
A. An increased oxygen release to cardiac muscle
B. Decreased heart rate
C. A decreased oxygen content to skeletal muscle
D. Increased coronary blood flow
Answer: D
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The pleural cavity is the
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Cell type NOT found in areolar connective tissue
A) mast cell B) macrophage C) fibroblast D) chondrocyte
Occlusion of which of the following would primarily damage the posterior wall of the heart?
A. Pulmonary artery B. Right marginal artery C. Right coronary artery D. Circumflex artery E. Coronary sinus artery
Potassium levels in the body are regulated by
A. ADH. B. PTH. C. calcitonin. D. aldosterone. E. insulin.