Which of the following can play a role in buffering the pH of urine?

A. ammonia
B. bicarbonate ions
C. phosphate ions
D. ammonia and bicarbonate ions
E. ammonia, bicarbonate ions and phosphate ions


E

Anatomy & Physiology

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During inspiration:

a. the diaphragm contracts and moves up into the thoracic cavity b. the chest cavity expands c. the pressure in the thoracic cavity increases d. all of the above

Anatomy & Physiology

Which of the following is NOT true of accommodation?

A. It is accomplished by a reflex in the iris. B. When a person focuses on a close object, the lens becomes more spherical. C. When accommodation occurs, tension is released on the suspensory ligaments holding the lens. D. It refers to a change in the shape of the lens, as a person focuses on a near object. E. All of these are true of accommodation.

Anatomy & Physiology

Covalent bonds:

a. dissociate in water b. are formed when electrons are shared between atoms c. are formed by atoms of opposite charge d. both A and C above

Anatomy & Physiology

What part of the vulva contains sebaceous glands?

A) labia minora B) mons pubis C) clitoris D) vestibule

Anatomy & Physiology