Quiz Questions and Answers Flashcards
Which sympathomimetic is not recommended to be given as a continuous infusion?
Ephedrine
Phrase for Catecholamines and Sympathomimetics
ALL sympathomimetics are catecholamines but not all catecholamines are sympathomimetics
While receiving norepinephrine, a patient accidentally pulls at his IV, causing the skin around the IV site to become red and dark purple. After shutting off the IV infusion, which medication may be administered to prevent further damage due to extravasation?
Phentolamine
At low doses, epinephrine causes which effects most predominantly?
Beta 2
Which of the following vasoconstrictors may work best if the patient is acidotic due to sepsis?
Norepinephrine
A patient with hypotension and tachycardia would benefit most from using which vasopressor?
Phenylephrine
Bronchospasms may occur more frequently with which beta blocker?
Non-Selective Beta Blockers: Propanolol, Nadolol, Timolol
Combined alpha and non-selective: Labetalol and Carvedilol
Chronic use of which class of antihypertensives may potentiate the activity of neuromuscular blockers?
Alpha-2 Agonists
Hydralazine primarily reduces blood pressure by which mechanism of action?
pure arteriole vasodilator
decrease DBP > SBP
has its own receptor site
Angiotensinogen is released from which organ?
LIVER
If a patient is using a Phosphodiesterase 5 inhibitor for pulmonary hypertension (ex: Sildenafil (Revatio)), which vasodilator is unsafe to use to control blood pressure?
Nitroglycerin
Sodium nitroprusside induced cyanide toxicity may present with which of the following symptoms?
Profound hypotension, blurred vision, pink skin, absent reflexes, faint heart sounds
Which antihypertensive may lead to prolonged sedation if using Midazolam for sedation?
Clonidine,
also reduces propofol and thiopental requirements
Which of the following medications may cause accelerated hypertension due to withdrawal if discontinued abruptly, and not restarted soon after a procedure?
Clonidine
Which vasodilator has the fastest onset of action?
Nitro
Which combination of antihypertensives increases the risk of hyperkalemia for patients with chronic kidney disease?
ACE Inhibitors ( w/ NSAIDS, aspirin)
Beta Blockers