Which of the following muscles contracts during forced expiration?

A. Linea alba
B. Internal intercostals
C. External intercostals
D. Scalenes
E. Diaphragm


Answer: B

Anatomy & Physiology

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Rapid impulse conduction from "node" to "node" is called

A) spatial propagation. B) saltatory propagation. C) divergent propagation. D) synaptic transmission. E) continuous propagation.

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A fever of 101 °F causes most enzymes in the human body

A.  to denature. B.  to become more rigid. C.  to be more flexible and efficient. D.  to saturate.

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In the fetus, the blood from the umbilical vein is shunted away from the liver and sent to the inferior vena cava through the ductus ________.

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

Anatomy & Physiology

Which paired bones form the lateral, posterior portions of the cranium?

A) frontal B) maxilla C) sphenoid D) parietal E) zygomatic

Anatomy & Physiology