The cerebral arterial circle "encircles" which of the following?

A) great vessels (arteries and veins) at the base of the heart
B) carotid arteries (internal and external)
C) infundibulum of the pituitary gland
D) phrenic arteries to the diaphragm
E) all vessels and passageways passing through the mediastinum


C) infundibulum of the pituitary gland

Anatomy & Physiology

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The muscle that expels semen during ejaculation is the __________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

The following will increase the rate of diffusion except which factor?

A) increased temperature B) increased concentration C) increased molecular weight D) shorter distances

Anatomy & Physiology

The breakdown of starch by digestive enzymes into glucose molecules is a(n) ________ reaction

A) exchange B) reduction C) anabolic D) synthesis E) decomposition

Anatomy & Physiology

Which of the following correctly traces blood flow from the renal artery into the renal cortex?

A) Arcuate a. ? interlobar a. ? afferent arteriole ? interlobular a. B) Interlobar a. ? interlobular a. ? segmental a. ? arcuate a. C) Segmental a. ? arcuate a. ? interlobar a. ? interlobular a. D) Afferent arteriole ? interlobular a. ? arcuate a. ? interlobar a. E) Segmental a. ? interlobar a. ? arcuate a. ? interlobular a.

Anatomy & Physiology