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Exam (elaborations)

NSG-318 Topic 5 Questions and Correct Answers

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  • Course
  • NSG 318
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  • NSG 318

Sympathetic and parasympathetic What are the two branches of the autonomic nervous system? Sympathomimetic agent that mimics the effects of the sympathetic nervous system Adrenergic the sympathetic nervous system has _______________ receptors. Parasympatholytic agent blocking or inhibiting the e...

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  • August 8, 2024
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NSG 318
  • NSG 318
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NSG-318 Topic 5 Questions and Correct
Answers
Sympathetic and parasympathetic ✅What are the two branches of the autonomic
nervous system?

Sympathomimetic ✅agent that mimics the effects of the sympathetic nervous system

Adrenergic ✅the sympathetic nervous system has _______________ receptors.

Parasympatholytic ✅agent blocking or inhibiting the effects of the parasympathetic
nervous system

Sympathetic ✅sympathomimetic, adrenergic agonist, parasympatholytic, and
cholinergic-blocking are all synonymous with stimulating the ________________
nervous system.

Parasympathomimetic ✅copying or producing the same effects as those of the
parasympathetic nerves; "to mimic" the parasympathetic nerves

Parasympathetic ✅Parasympathomimetic, cholinergic agonist, sympatholytic, and
adrenergic blocker are all synonymous with stimulating the __________________
nervous system.

Sympatholytics ✅suppress sympathetic activity

Adrenergic receptors ✅alpha and beta receptors

Dilate ✅What would happen in the pupils if you had a sympathetic response?

Bronchioles dilate ✅What would happen in the lungs if you had a sympathetic
response?

HR increases ✅What would happen at the heart if you had a sympathetic response?

Constrict to increase BP ✅What would happen at the blood vessels if you had a
sympathetic response?

Relax ✅What would happen at the GI tract if you had a sympathetic response?

, Bladder relaxed, sphincter constricted ✅What happens at the bladder if a sympathetic
response is triggered?

Alpha 1 receptors ✅-Increases cardiac contractility, vasoconstriction
-Dilates pupils, decreases salivary gland secretion
-Increases bladder and prostate contraction

Alpha 2 receptors ✅-Inhibits norepinephrine release
•Promotes vasodilation and decreased BP
-Decreases GI motility and tone

Alpha 1 ✅what receptor increases HR and BP?

Alpha 2 ✅what receptor decreases blood pressure?

Beta 1 receptors ✅-Increases cardiac contractility, heart rate
-Increases renin secretion and increases BP

Beta 2 receptors ✅-Decreases GI tone and motility
-Bronchodilation
-Increases blood flow in skeletal muscles
-Relaxes smooth muscles of uterus
-Activates liver glycogenolysis
•Increases blood glucose

Direct-acting ✅Directly stimulates adrenergic receptor

Indirect-acting ✅Stimulates release of norepinephrine from terminal nerve endings

Mixed-acting ✅Stimulates adrenergic receptor sites and stimulates release of
norepinephrine from terminal nerve endings

Epinephrine and norepinephrine ✅direct-acting mimics the effects of

Indirect-acting ✅cocaine and amphetamines would be an example of what type of
adrenergic agonists?

Catecholamines ✅-Produce sympathetic response
-Endogenous
•Epinephrine, norepinephrine, dopamine
-Synthetic
•Isoproterenol, dobutamine

Noncatecholamines ✅-Stimulate adrenergic receptors

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