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

Anatomy & Physiology

You might also like to view...

Cell type NOT found in areolar connective tissue

A) mast cell B) macrophage C) fibroblast D) chondrocyte

Anatomy & Physiology

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

Anatomy & Physiology

Potassium levels in the body are regulated by

A. ADH. B. PTH. C. calcitonin. D. aldosterone. E. insulin.

Anatomy & Physiology

The pleural cavity is the

A. same as the mediastinum.?B. the serous membrane lining the abdomen.?C. space within which the heart sits.?D. potential space between the two serous membranes surrounding a lung.

Anatomy & Physiology