Which substance does NOT inhibit platelet aggregation?

A. Prostacyclin
B. von Willebrand factor
C. CD39
D. Nitric oxide


Answer: B

Anatomy & Physiology

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A bone thickens

A) as compact bone is deposited beneath the periosteum of the diaphysis. B) as a result of cell division in the medullary cavity. C) due to increased production of bone matrix by osteoclasts. D) as a result of increased activity within the epiphyseal plate.

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This figure shows a lateral view of the muscles of facial expression. What muscle does number 3 indicate?

A. Sternocleidomastoid B. Temporalis C. Masseter D. Platysma E. Buccinator

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The cessation of bleeding is specifically called ________

A) a vascular spasm B) coagulation C) platelet plug formation D) homeostasis E) hemostasis

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The ________ peritoneum is located on the surface of the abdominal organs, while the ________ peritoneum lines the abdominopelvic cavity.

A. visceral; parietal B. parietal; visceral

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