During exercise, which of the following directly increases respiratory rate?

A) Reduced oxyhemoglobin
B) The Bohr effect
C) Increased H+ level in the blood
D) Anticipation of the needs of exercising muscle
E) Reduced blood pH


D

Anatomy & Physiology

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Which of the following is formed by intramembranous ossification?

A. Femur B. Rib C. Clavicle D. Ulna E. Ilium

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Poison ivy contains a toxin that acts as a hapten by

A.  raising the body's sensitivity to a wide variety of chemicals such as penicillin. B.  cutting plasma protein antibodies in half. C.  preventing effective immune responses by blocking release of bradykinin. D.  combining with a body protein and then triggering an immune response.

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Which system in the body is similar to the endocrine system, in that it is also a regulatory system, and it also functions through chemical secretions and receptor sites?

A. Nervous system B. Urinary system C. Cardiovascular system D. Integumentary system E. Muscular system

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More than 95 percent of the protein in a red blood cell is

A) albumin. B) porphyrin. C) hemoglobin. D) immunoglobulin. E) fibrinogen.

Anatomy & Physiology