Which of the following is a branch of the subclavian artery?

a. common carotid
b. vertebral
c. cephalic
d. brachiocephalic


Answer: b. vertebral

Anatomy & Physiology

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During contraction of heart muscle cells ________.

A) the action potential is initiated by voltage-gated slow calcium channels B) some calcium enters the cell from the extracellular space and triggers the release of larger amounts of calcium from intracellular stores C) the action potential is prevented from spreading from cell to cell by gap junctions D) calcium is prevented from entering cardiac fibers that have been stimulated

Anatomy & Physiology

Canned pet food contains about 25% water

Indicate whether the statement is true or false

Anatomy & Physiology

Destruction of the pancreatic beta-cells would result in ________.

A. Diabetes insipidus B. Cushing's disease C. Graves' disease D. Diabetes mellitus

Anatomy & Physiology

Which of the following accompanies emphysema?

A) increase in vital capacity B) alveoli collapse and surface area is lost C) pulmonary compliance decreases D) decreased partial pressure of carbon dioxide in the blood

Anatomy & Physiology