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