SNS Drugs Flashcards
Which of the following is true about Catecholamines mechanism of action? A. Direct acting sympathomimetics B. Indirect acting sympathomimetics C. Direct acting sympatholytics D. Indirect acting sympatholytics
A. Direct acting sympathomimetics
T/F Catecholamines are given orally because it has the greatest absorption.
FALSE!!!
–Catecholamines are given by injection. They are poorly absorbed after oral administration, and have a high first- pass effect.
Where are catecholamines readily absorbed? A. Liver B. Kidney C. GI tract D. Respiratory tract
D. Respiratory tract
T/F Catecholamines do NOT readily cross the blood brain barrier.
True
T/F Catecholamines have a slow onset of action and inactivation and therefore are used in emergencies.
FALSE!!!
Catecholamines have a RAPID onset of action and inactivation and are therefore utilized for EMERGENCY USE!
Where are catecholamines synthesized? A. Adrenal Cortex B. Parathyroid Gland C. Adrenal Medulla D. Thyroid Gland
C. Adrenal Medulla
Which of the following is NOT a catecholamine? A. Epinephrine B. Norepinephrine C. Dopamine D. Isoxuprine E. Dobutamine
D. Isoxuprine
–Isoproterenol is not Isoxuprine!
In general catecholamines have ... A. narrow safety margin, long half life B. narrow safety margin, short half life C. broad safety margin, long half life D. broad safety margin, short half life
B. narrow safety margin, short half life
All of the following are general adverse effects of catecholamines except:
A. tachycardia
B. Preferential blood flow to “flight tissue”
C. Vasoconstriction to vital organs
D. Bradycardia
D. Bradycardia
A dog comes into the clinic in cardiopulmonary arrest, what drug should you grad to administer in this time sensitive emergency? A. Epinephrine B. Norepinephrine C. Isoproterenol D. Dopamine E. Dobutamine
A. Epinephrine
A hunting dog in your clinic is known to have anaphylactic reactions to bee stings. The owner of the dog comes in to the clinic because he is taking his dog hunting soon in an area known to have a lot of bee hives. Which medication could you give the hunter with instructions to administer only in the event of a severe life threatening bee sting to the dog? A. Epinephrine B. Norepinephrine C. Isoproterenol D. Dopamine E. Dobutamine
A. Epinephrine
If you want to use this drug in you must have ECG monitoring and arterial blood pressure monitoring. A. Epinephrine B. Norepinephrine C. Isoproterenol D. Dopamine E. Dobutamine
C. Isoproterenol
What drug is indicated for bronchodilation, but is not commonly used? A. Epinephrine B. Norepinephrine C. Isoproterenol D. Dopamine E. Dobutamine
C. Isoproterenol
What is the best drug for vasopressor support and treatment of septic shock? A. Epinephrine B. Norepinephrine C. Isoproterenol D. Dopamine E. Dobutamine
B. Norepinephrine
Vasoconstriction is the main clinical effect of this drug: A. Epinephrine B. Norepinephrine C. Isoproterenol D. Dopamine E. Dobutamine
B. Norepinephrine
Which drug can cause a strong baroreceptor response that leads to decreased heart rate and contractility? A. Epinephrine B. Norepinephrine C. Isoproterenol D. Dopamine E. Dobutamine
B. Norepinephrine
Which drug is a nonspecific beta agonist (beta 1 and beta 2)? A. Epinephrine B. Norepinephrine C. Isoproterenol D. Dopamine E. Dobutamine
C. Isoproterenol
Which drug is a competitive agonist of all adrenergic receptors (alpha 1, alpha 2, beta-1, beta-2)? A. Epinephrine B. Norepinephrine C. Isoproterenol D. Dopamine E. Dobutamine
A. Epinephrine
Which drug mainly acts through alpha 1 agonism? A. Epinephrine B. Norepinephrine C. Isoproterenol D. Dopamine E. Dobutamine
B. Norepinephrine
Which drug is the post vasopressor of choice? A. Epinephrine B. Norepinephrine C. Isoproterenol D. Dopamine E. Dobutamine
D. Dopamine
Which drug is a synthetic beta 1 agonist? A. Epinephrine B. Norepinephrine C. Isoproterenol D. Dopamine E. Dobutamine
E. Dobutamine
Which drug specifically acts on D1 and D2 (dopamine receptors), and has dose-dependent effects at alpha 1 and beta 1 receptors? A. Epinephrine B. Norepinephrine C. Isoproterenol D. Dopamine E. Dobutamine
D. Dopamine
Which drug has a positive inotropic effect, one example is it is used in treating DCM (dilated cardiomyopathy)? A. Epinephrine B. Norepinephrine C. Isoproterenol D. Dopamine E. Dobutamine
E. Dobutamine