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
Answer: D
Anatomy & Physiology
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The smallest unit of an element is a(n) ________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
A membrane that is able to regulate the movement of materials in and out of the cell is described as being ________. (2 words)
What will be an ideal response?
Anatomy & Physiology
T cells are responsible for
A. memory cells. B. cell-mediated immunity. C. antibody-mediated immunity. D. plasma cells.
Anatomy & Physiology
The ________ digests ONLY protein, not other nutrients.
A. stomach B. small intestine C. mouth D. large intestine E. esophagus
Anatomy & Physiology