At a PO2 of 70 mm Hg and normal temperature and pH, hemoglobin is ________% saturated with oxygen.

A) over 90
B) 10
C) 75
D) 25
E) 50


A) over 90

Anatomy & Physiology

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Activated B cells differentiate into:

A) effector cells and memory T cells. B) plasma cells and effector cells. C) plasma cells and memory B cells. D) antibodies and memory B cells.

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A blockage of the ducts from the parotid glands would

A) reduce delivery of saliva. B) cause mumps-like swelling of the face. C) interfere with carbohydrate digestion in the mouth. D) All of the answers are correct. E) None of the answers is correct.

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Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system.Effects are short-lived

A. Sympathetic B. Parasympathetic

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Which respiratory organ has a cardiac notch?

A) right lung B) left lung C) right primary bronchus D) left primary bronchus E) diaphragm

Anatomy & Physiology