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A patient taking an antibiotic develops photosensitivity, esophagitis, and tooth discoloration. Which drug is most likely responsible?
A. Doxycycline
B. Amoxicillin
C. Vancomycin
D. Ceftriaxone
#USMLE #MedEd #medschool #pharma
Correct Answer: A. Doxycycline
The key takeaway: Doxycycline is a tetracycline antibiotic that can cause photosensitivity, esophagitis, and permanent tooth discoloration in children.
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A patient develops gynecomastia, decreased libido, and hyperkalemia after starting treatment for heart failure. Which medication is most likely responsible?
A. Furosemide
B. Spironolactone
C. Digoxin
D. Hydrochlorothiazide
#USMLE #MedEd #medschool #pharma
Correct Answer: B. Spironolactone
The key takeaway: Spironolactone blocks aldosterone receptors and can cause hyperkalemia and antiandrogenic effects such as gynecomastia.
Master more high-yield pharmacology concepts on @askrezzy via @OnCourseAI:oncourse.onelink.me/xW0t/tw
A patient with peptic ulcer disease is prescribed a medication that irreversibly inhibits the gastric H⁺/K⁺ ATPase. Which drug was prescribed?
A. Famotidine
B. Omeprazole
C. Sucralfate
D. Misoprostol
#USMLE #MedEd #medschool #pharma
Correct Answer: B. Omeprazole
The key takeaway: Proton pump inhibitors irreversibly block the H⁺/K⁺ ATPase in gastric parietal cells, producing potent acid suppression.
Master more high-yield pharmacology concepts on @askrezzy via @OnCourseAI:oncourse.onelink.me/xW0t/tw
A patient on tuberculosis treatment develops hyperuricemia and painful swollen joints. Which drug is most likely responsible?
A. Rifampin
B. Isoniazid
C. Pyrazinamide
D. Ethambutol
#USMLE #MedEd #medschool #pharma
Correct Answer: C. Pyrazinamide
The key takeaway: Pyrazinamide reduces uric acid excretion and can trigger hyperuricemia and gout-like arthralgia.
Master more high-yield pharmacology concepts on @askrezzy via @OnCourseAI:oncourse.onelink.me/xW0t/tw
Which medication is used to prevent Pneumocystis jirovecii pneumonia in patients with HIV?
A. Acyclovir
B. Trimethoprim-sulfamethoxazole
C. Fluconazole
D. Azithromycin
#USMLE #MedEd #medschool #pharma
Correct Answer: B. Trimethoprim-sulfamethoxazole
The key takeaway: TMP-SMX is first-line prophylaxis and treatment for Pneumocystis jirovecii pneumonia.
Master more high-yield pharmacology concepts on @askrezzy via @OnCourseAI:oncourse.onelink.me/xW0t/tw
A patient taking an antipsychotic develops fever, severe muscle rigidity, autonomic instability, and elevated creatine kinase. What is the most likely diagnosis?
A. Serotonin syndrome
B. Neuroleptic malignant syndrome
C. Malignant hyperthermia
D. Anticholinergic toxicity
#USMLE #MedEd #medschool #pharma
Correct Answer: B. Neuroleptic Malignant Syndrome
The key takeaway: Neuroleptic malignant syndrome is a life-threatening reaction to dopamine-blocking drugs, characterized by fever, rigidity, altered mental status, and autonomic instability.
Master more high-yield pharmacology concepts on @askrezzy via @OnCourseAI:oncourse.onelink.me/xW0t/tw
Patient with hypertension develops hypokalemia and metabolic alkalosis after starting a new medication. Which drug is most likely responsible?
A. Spironolactone
B. Furosemide
C. Amiloride
D. Losartan
#USMLE #MedEd #medschool #pharma
Correct Answer: B. Furosemide
The key takeaway: Loop diuretics such as furosemide cause potassium and hydrogen ion loss, leading to hypokalemic metabolic alkalosis.
Master more high-yield pharmacology concepts on @askrezzy via @OnCourseAI:oncourse.onelink.me/xW0t/tw
Identify these bacteria on Gram stain
What is the most likely diagnosis or finding?
#USMLE #MedEd #medschool
Identify this skull X-ray finding
What is the most likely diagnosis or finding?
#USMLE #MedEd #medschool
Identify this scalp condition
What is the most likely diagnosis or finding?
#USMLE #MedEd #medschool
Identify this abdominal X-ray finding
What is the most likely diagnosis or finding?
#USMLE #MedEd #medschool
A patient with bipolar disorder develops tremor, polyuria, and hypothyroidism during long-term treatment. Which medication is most likely responsible?
A. Valproate
B. Lithium
C. Lamotrigine
D. Carbamazepine
#USMLE #MedEd #medschool #pharma