NCLEX NGN Pharmacology Flashcards
What is the antidote for warfarin overdose?
Vitamin K (Monitor INR, therapeutic range: 2-3)
What is the major side effect of ACE inhibitors (-pril)?
Dry cough, angioedema, hyperkalemia
Which diuretic class can cause ototoxicity?
Loop diuretics (Furosemide, Bumetanide)
What is the antidote for opioid overdose?
Naloxone (Narcan) – reverses respiratory depression
What foods should be avoided with MAOIs (e.g., phenelzine, tranylcypromine)?
Tyramine-containing foods (cheese, wine, processed meats) → risk of hypertensive
crisis
What lab value should be monitored with heparin therapy?
aPTT (1.5-2x normal); Antidote: Protamine sulfate
What is the therapeutic range for digoxin?
0.5-2.0 ng/mL – Monitor for toxicity: bradycardia, halos around lights
What insulin type is given before meals?
Rapid-acting insulin (Lispro, Aspart) – Onset: 15 minutes
Which medication should be held before contrast dye due to risk of lactic acidosis?
Metformin
What is the primary concern with fluoroquinolones (-floxacin)?
Tendon rupture, avoid dairy, avoid in children
What is the antidote for benzodiazepines (e.g., lorazepam, diazepam)?
Flumazenil
Which medication is used for SVT (supraventricular tachycardia)?
Adenosine – Administer rapidly, may cause a brief asystole
What drug is used for bradycardia?
Atropine – Increases heart rate
What is a serious adverse effect of clozapine (antipsychotic)?
Agranulocytosis – Monitor WBCs regularly
Which medications should never be given in pregnancy (Category X)?
Warfarin, Isotretinoin, Methotrexate, ACE inhibitors
What is the most serious side effect of amiodarone?
Pulmonary toxicity (Monitor for dyspnea, cough, chest pain)
What is the first-line treatment for anaphylaxis?`
Epinephrine (IM) – Followed by antihistamines and steroids
What electrolyte imbalance is associated with furosemide (Lasix)?
Hypokalemia – Watch for muscle cramps, arrhythmias
Which medication is used to treat diabetic neuropathy pain?
Gabapentin, Pregabalin
Which medication class should be avoided in asthma patients due to bronchospasm
risk?
Beta-blockers (-lol, e.g., propranolol, metoprolol)
What are the signs of serotonin syndrome?
Mental status changes, hyperreflexia, tremors, fever, tachycardia, diarrhea – Can be
caused by SSRIs, SNRIs, MAOIs, and Tramadol
What should you monitor for with spironolactone (potassium-sparing diuretic)?
Hyperkalemia – Avoid potassium supplements & salt substitutes
Which drugs cause QT prolongation and risk for torsades de pointes?
Macrolides (Azithromycin, Erythromycin), Fluoroquinolones, Antipsychotics,
Amiodarone
What is the antidote for acetaminophen overdose?
N-acetylcysteine (Mucomyst) – Protects the liver