Select the major waste product of nitrogen metabolism
a. plasma proteins.
b. urea.
c. glucose.
d. PO4.
e. amino acids.
B
Anatomy & Physiology
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The principal ions in extracellular fluid are sodium, chloride, and
A) potassium. B) magnesium. C) phosphate. D) bicarbonate. E) iodine.
Anatomy & Physiology
Why does hair turn gray or white in older individuals?
What will be an ideal response?
Anatomy & Physiology
If a red blood cell is 100% saturated, how many molecules of O2 are bound to it?
A. 250 million molecules of O2 B. 4 molecules of O2 C. 1 billion molecules of O2
Anatomy & Physiology
The posterior pituitary secretes
A. chiasmatic hormones. B. tropic hormones. C. transcriptional hormones. D. interstitial hormones. E. neurohormones.
Anatomy & Physiology