Pharm- Autonomic Flashcards

1
Q

List catecholamines and where they’re produced

A

Epinephrine, Norepinephrine, Dopamine

produced/released by adrenal glands

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2
Q

Large doses of catecholamines can produce which CNS effects

A

anxiety, tremors, HA

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3
Q

Catecholamines work on the smooth muscle of the GI tract to (contract or relax)

A

relax smooth muscle

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4
Q

Net effect of alpha and beta receprots:

A

vasoconstriction and cardiac stimulation

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5
Q

Norepinephrine selectively activates:

effect on vasculature:

A

activates α1 over α2 and ß1 and little effect on ß2

↑BP, ↑peripheral resistance

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6
Q

Which neurotransmitter is used in the treatment of shock with renal failure?

A

Dopamine

(precursor to NE)

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7
Q

Effect on NE of sympathomimetic drugs:

A

release stored NE or inhibit reuptake

(amphetamine, cocaine, ephedrine)

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8
Q

OTC cold remedies may contain phenylephidrine, which can cause which AE:

A

Hypertension, cardiac arrhythmias, angina

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9
Q

Aldosterone is produced in the adrenal cortex, and it will have what effect on sodium in the kidneys, which will do what to plasma volume?

A

conserve sodium, increase plasma volume

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10
Q

Prostaglandins counteract vasoconstriction in the kidneys. What do NSAIDs do to prostaglandins?

A

NSAIDs inhibit prostaglandin synthesis: can lead to renal faiulre and exacerbate HTN in those with cirrhosis, heart failure, etc.

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11
Q

This class of diuretic works on the ascending loop of Henle to keep electrolytes from being reabsorbed, and includes furosemide.

A

Loop diuretics

AE: dehydration, hypokalemia, hyponatremia, hypocalcemia, ototoxicity, hyperglycemia, increased LDLs

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12
Q

What diuretic class is used for those who are at risk of renal calculi, and does not have the risk of bone density loss?

A

Thiazide

hydrochlorothiazide (Microzide)

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13
Q

Which class of diuretic can result in hyperkalemia, gynecomastia or menstrual irregularities (as well as nausea, lethargy, mental confusion)

A

Potassium sparing diuretics

spironolactone (Aldactone)

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14
Q

Flattened T waves, nausea, muscle weakness, fatigue, leg cramps, polyuria, hypotension, excessive sweating, mental status change all may indicate:

A

Hypokalemia

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15
Q

Diuretics can cause which 2 conditions that can both trigger arrhythmia, syncope, and cardiac arrest?

A

Hyperkalemia, hypokalemia

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16
Q

increased thirst, HA, blurred vision, difficulty concentrating, fatigue, frequent urination are diuretic signs of which condition:

A

hyperglycemia

(problem for diabetics)

17
Q

Meds that block only ß1 and not ß2 receptors will slow the heart, but not have an affect on:

A

the Lungs

18
Q

Ca channel blockers are used when ___ are contraindicated

A

beta blockers

19
Q

Abrupt withdrawal of beta-blockers can trigger:

A

arrhythmia, angina, MI

20
Q

When on beta-blockers, monitor for signs of

◦Dyspnea, peripheral edema, increased weight, jugular distention, decreased urine output

which may indicate:

A

Congestive Heart Failure

21
Q

Beta-blockers may mask symptoms of:

A

Hypoglycemia

22
Q

α1 receptor agonists work to (vasoconstrict or vasodilate) vascular smooth muscle

A

vasoconstrict

23
Q

Common AE for α2 agonists:

A

dizzy, drowsy, sleepy, HA

24
Q

Which class of hypertension treatment has a serious risk of rebound hypertension if abruptly stopped?

A

Central-acting alpha agonists

clonidine

25
Q

The RAAS inhibitor group includes 3 inhibitors:

A

DRI: direct renin inhibitor

ACEi = angiotensin I converting inhibitor

ARB = angiotensin II receptor blocker

26
Q

Common ending “-pril” used for what meds:

A

ACE inhibitors

27
Q

ACE inhibitors block conversion of what

A

antiogensin I to angiotensin II

28
Q

“-pril” meds have what common side effect, and what rare but serious side effect:

A

ACE inhib

common: dry cough (also hypotension, dizziness, hyperkalemia)
rare: acute renal failure (and angioedema)

29
Q

“-sartan” common ending for which class

A

ARBs

30
Q
-"sartan" class works by inhibiting the binding of \_\_\_\_. 
Does this class produce dry cough?
A

ARB inhibit binding of angiotensin II.

NO dry cough

31
Q

In hypertensive patients, heat can cause:

A

syncope