An ECG is used to diagnose all of the following conditions except

A) an AV block.
B) an ectopic pacemaker.
C) angina pectoris.
D) premature atrial contractions.
E) ventricular tachycardia.


C

Anatomy & Physiology

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In an aqueous solution, sodium ions would move toward

A) a negative terminal. B) a positive terminal. C) a pH terminal. D) an organic terminal. E) the bottom.

Anatomy & Physiology

Filtration rate in the glomerulus is increased by

A) vasoconstriction of the efferent arteriole only. B) both vasodilation of the afferent arteriole and vasoconstriction of the efferent arteriole. C) both vasodilation and vasoconstriction of the efferent arteriole. D) vasodilation of the afferent arteriole only.

Anatomy & Physiology

Which of the following is not a component of saliva?

a. amylase b. mucus c. pepsin d. lysozyme e. water

Anatomy & Physiology

Lines of cleavage are a result of

A. the alignment of epidermal ridges. B. wounds to the epidermis such as hemangiomas. C. the orientation of collagen fibers in the dermis. D. the alignment of dermal papillae.

Anatomy & Physiology