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Pharmacology A Patient Centered Nursing Process Approach, 11th Edition by Linda E. McCuistion $17.99
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Pharmacology A Patient Centered Nursing Process Approach, 11th Edition by Linda E. McCuistion

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Pharmacology A Patient Centered Nursing Process Approach, 11th Edition by Linda E. McCuistion

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  • August 17, 2024
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Test Bank Pharmacology A Patient Centered Nursing Process
Approach, 11th Edition by Linda E. McCuistion Chapter 1-58 |
9780323793155 | All Chapters with Answers and Rationals

Adrenergic agonists - ANSWER: drugs that stimulate and mimic the actions of the sympathetic
nervous system

adrenergic agonists act on one or more adrenergic receptor sites located in the effector cells of
muscles, such as: - ANSWER:
- heart
- bronchiole walls
- GI tract
- urinary bladder
- ciliary muscle of the eye

Four main receptors - ANSWER: alpha1, alpha2, beta1, beta2

ALPHA-adrenergic receptors - ANSWER: blood vessels, eyes, bladder, prostate

What happens when alpha1 receptors in vascular tissue of muscles are stimulated? - ANSWER: blood
vessels constrict, increasing peripheral resistance and blood return to heart

What happens when alpha2 receptors are stimulated? - ANSWER: inhibit the release of
norepinephrine, leading to a decrease in vasoconstriction

Where are alpha 1 receptors located? - ANSWER: vascular smooth muscle

Where are alpha 2 receptors located? - ANSWER: postganglionic sympathetic nerve endings

Where are beta 1 receptors located? - ANSWER: Heart and kidney

Stimulation of beta 1 receptors causes: - ANSWER: increase in myocardial contractility and heart rate

Where are beta 2 receptors found? - ANSWER: smooth muscle of lung & GI tract, liver, uterine muscle

Stimulation of beta 2 receptors causes: - ANSWER: relaxation of smooth muscle in lungs, decrease in
GI tone and motility, glycogenolysis, relaxation of uterine muscle

Dopaminergic receptors are located in the: - ANSWER: renal, mesenteric, coronary, and cerebral
arteries

When dopamine stimulates dopaminergic receptors: - ANSWER: vessels dilate and blood flow
increases

How are transmitters inactivated? - ANSWER: (1) reuptake of the transmitter back into the neuron (2)
enzymatic transformation or degradation (3) diffusion away from the receptor

After the neurotransmitter has performed it's function, the action must be stopped to: - ANSWER:
prevent prolonging the effect

Two enzymes that inactivate norepinephrine: - ANSWER: monoamine oxidase (MAO) - inside the
neuron
catechol-O-methyltransferase (COMT) - outside the neuron

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