Each of the following paracrines may cause vasodilation EXCEPT
A) K+.
B) CO2.
C) Ca2+.
D) nitric oxide.
E) H+ ions from metabolic acids.
C) Ca2+.
Anatomy & Physiology
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In the myofibril the thin filament is organized around a rod-like core protein called
A) titin. B) actin. C) G actin. D) nebulin. E) myosin.
Anatomy & Physiology
The phosphate "head" of a phospholipid is
A) hydrophobic. B) hydrophilic. C) polar. D) nonpolar. E) both hydrophilic and polar.
Anatomy & Physiology
Which of the following plasma constituents is not regulated by the kidneys?
a. glucose b. Na+ c. H+ d. phosphate e. water
Anatomy & Physiology
The intestinal hormone that stimulates the pancreas to release enzymes and buffers is
A) vasoactive intestinal peptide (VIP). B) secretin. C) lipase. D) gastric inhibitory peptide (GIP). E) gastrin.
Anatomy & Physiology