The half-life of a hormone allows one to determine

A. the rate of hormone secretion.
B. the identity of a hormone.
C. the rate at which hormones are eliminated from the body.
D. the rate of action of a hormone.
E. the rate of travel through the blood to a target.


C

Anatomy & Physiology

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Considering the arterial supply to the brain, the basilar artery immediately gives rise to the ________ arteries.

A) vertebral B) anterior cerebral C) external carotid D) internal carotid E) posterior cerebral

Anatomy & Physiology

Eating a very salty snack makes you thirsty because it

a. causes decreased ECF volume b. decreases the osmolarity of the ECF c. inhibits the hypothalamic osmoreceptors d. stimulates the hypothalamic osmoreceptors e. immediately causes more urine output

Anatomy & Physiology

Acetylcholine (ACh) always has an excitatory effect.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

A chemical messenger is also called a ________

A) calcium channel B) receptor C) neurotransmitter D) myelin sheath

Anatomy & Physiology