The renal buffering system helps maintain acid-base balance through:

a. Excretion of ammonium ions
b. Excretion of bicarbonate
c. Recovery of hydrogen ions
d. Recovery of sodium


Answer: a. Excretion of ammonium ions

Anatomy & Physiology

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The endocrine system comprises a network of ___________ that produce and secrete chemical messengers called ____________.

A) glands, hormones B) nodes, catecholamines C) vessels, leukotrienes D) synapses, neurotransmitters

Anatomy & Physiology

Which of the following is NOT a structure within the visual axis?

-conjunctiva -lens -fovea -cornea

Anatomy & Physiology

Experiencing pain in the right shoulder due to liver disease is an example of ________ pain

A) Pseudo B) Referred C) Disguised D) Phantom

Anatomy & Physiology

An increase in extracellular Ca2+ generally increases

A. autonomic stimulation of the heart. B. the heart rate. C. Na+ channel opening. D. the force of contraction. E. the frequency of the action potentials.

Anatomy & Physiology