Which of the following drugs is used for dermatomycosis treatment:

Correct Answer: B

Rationale: The correct answer is B: Griseofulvin. Griseofulvin is used for dermatomycosis treatment because it is an antifungal medication specifically effective against dermatophytes. It works by disrupting the formation of fungal cell walls, leading to their destruction. Nystatin (A) is primarily used for yeast infections, not dermatomycosis. Amphotericin B (C) is a broad-spectrum antifungal, but it is not commonly used for dermatomycosis due to its potential side effects. Vancomycin (D) is an antibiotic effective against bacteria, not fungi. Therefore, the most appropriate choice for dermatomycosis treatment is Griseofulvin.

Correct Answer: D

Rationale: Step-by-step rationale: 1. Saquinavir is a protease inhibitor used to treat HIV/AIDS. 2. Protease inhibitors can cause gastrointestinal side effects like nausea, diarrhea, abdominal pain. 3. Saquinavir is known to induce rhinitis as a common side effect. 4. Options A, B, and C are antiviral drugs but do not typically cause these specific side effects. Summary: Saquinavir is the correct answer as it is a protease inhibitor known to induce gastrointestinal symptoms and rhinitis. The other options are antiviral drugs that do not have these specific side effects.

Correct Answer: A

Rationale: The correct answer is A: Metoprolol. Metoprolol is a beta-blocker commonly used in heart failure to reduce morbidity and mortality. It improves symptoms, decreases hospitalizations, and increases survival rates in heart failure patients. It works by blocking the effects of adrenaline on the heart, leading to decreased heart rate and blood pressure, which reduces the workload on the heart. Choice B, Digoxin, is not typically used as a first-line treatment in heart failure. Choice C, Dobutamine, is a short-acting inotrope used in acute heart failure exacerbations, not for long-term therapy. Choice D, Milrinone, is a phosphodiesterase inhibitor used in acute heart failure, but it has more side effects and is not recommended for long-term use.

Correct Answer: D

Rationale: The correct answer is D, Triamterene. Triamterene is a potassium-sparing diuretic, which can lead to hyperkalemia. Patients with liver cirrhosis often have impaired liver function, leading to decreased potassium excretion. Hyperkalemia can worsen in these patients and can be dangerous. Mannitol (A) is an osmotic diuretic, Hydrochlorothiazide (B) is a thiazide diuretic, and Ethacrynic acid (C) is a loop diuretic, all of which can be used in patients with liver cirrhosis and ascites, but Triamterene should be avoided due to the risk of hyperkalemia.

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.