Which of the following muscles is the major muscle for respiration?

A) scalenus
B) diaphragm
C) rectus abdominus
D) internal intercostals


Answer: B) diaphragm

Anatomy & Physiology

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In the process of homeoviscous adaptation, cells

A) Alter rates of chemical reactions. B) Alter membrane fluidity. C) Alter isozyme ratios. D) Switch to alternative biochemical pathways.

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Identify the cellular junction labeled 1.

A) hemidesmosome B) gap junction C) spot desmosome D) tight junction E) connexon

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The ________ consists of the nose, nasal cavity, paranasal sinuses, and pharynx.

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

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The medial muscles of the thigh are innervated by the

A) obturator nerve. B) femoral nerve. C) genitofemoral nerve. D) saphenous nerve. E) iliohypogastric nerve.

Anatomy & Physiology