The _________ nerve carries parasympathetic fibers to the SA node.

a. hypoglossal
b. facial
c. accessory
d. vagus


Answer: d. vagus

Anatomy & Physiology

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Which of the following correctly describes thalidomide?

A. It is a major cause of neural tube defects. B. It is a teratogen. C. It is able to cause birth defects only during the first week of pregnancy. D. It is associated with fetal alcohol syndrome. E. It is a radioactive mutagen.

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The second most abundant of the lipids in the plasma membrane is/are ________.

A. cholesterol B. saturated fats C. phospholipids D. glycolipids E. triglycerides

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The addition of a buffer to liquid such as blood with a pH of 7.4 causes the pH to drop to 7.0 (chemically neutral).

Answer the following statement true (T) or false (F)

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Where is the arbor vitae located?

A) Cerebellum B) Medulla oblongata C) Brain stem D) Diencephalon

Anatomy & Physiology