Which of the following are pigments that contribute to skin color?

A) collagen; elastic; keratin
B) melanin; jaundice; erythema
C) sebum; sweat; urea
D) melanin; carotene; hemoglobin


D

Anatomy & Physiology

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For maximum efficiency in loading oxygen at the lungs,

A) the pH should be slightly acidic. B) the temperature should be slightly lower than normal body temperature. C) DPG levels in the red blood cells should be high. D) the PO2 should be about 70 mm. E) All of the answers are correct.

Anatomy & Physiology

In the early stages of intramembranous ossification, osteoblasts deposit a soft collagenous tissue called ________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Renal production of ________ is stimulated by hypoxemia.

A. colony-stimulating factor B. erythropoietin C. renin D. thrombopoietin

Anatomy & Physiology

Which of these is NOT a property of chemoreceptors?

They trigger visceral reflexes. They are found in carotid bodies. They are interoceptors. They are classed as nociceptors.

Anatomy & Physiology