The "pacemaker" of the heart is the

A. right bundle branch.
B. left bundle branch.
C. AV node.
D. SA node.
E. PM node.


D

Anatomy & Physiology

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The vitamin that is part of the coenzyme NAD is

A) thiamine. B) riboflavin. C) niacin. D) folic acid (folate). E) cobalamin.

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When the eyes are not directed in a parallel manner, the animal is said to have:

A) nystagmus B) strabismus C) CNS malignancy D) exotropia

Anatomy & Physiology

Cattle produce 15% of their body weight in wastes on a daily basis

Indicate whether the statement is true or false

Anatomy & Physiology

Which component of the diencephalon is stimulated by changes in body temperature?

A) choroid plexus of the epithalamus B) pineal gland C) ventral nuclei of the thalamus D) preoptic area of the hypothalamus E) paraventricular nucleus of the hypothalamus

Anatomy & Physiology