Nokea
In which of the following cases is Lansoprazole not used?
- A. Gastritis
- B. Peptic Ulcers
- C. Zollinger-Ellison syndrome
- D. Thalamus hypertrophy
Correct Answer: D
Rationale: Rationale: Lansoprazole is a proton pump inhibitor used to treat conditions related to excess stomach acid. Thalamus hypertrophy is not a condition affecting stomach acid production, making it unrelated to Lansoprazole use. A: Gastritis, B: Peptic Ulcers, and C: Zollinger-Ellison syndrome all involve excessive stomach acid secretion, hence Lansoprazole is used in these cases. Thalamus hypertrophy does not involve stomach acid issues, making it the correct answer.
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Which of the following drugs is associated with the reaction of tendon dysfunction?
- A. Digitalis
- B. Niacin
- C. Tetracycline
- D. Fluoroquinolones
Correct Answer: D
Rationale: The correct answer is D: Fluoroquinolones. Fluoroquinolones are known to be associated with tendon dysfunction due to their potential to cause tendinitis and tendon rupture. This adverse effect is thought to be related to the drug's ability to disrupt collagen synthesis and structure in tendons. Digitalis (A) is used to treat heart conditions, niacin (B) for cholesterol, and tetracycline (C) for bacterial infections, none of which are linked to tendon dysfunction.
Which of the following drugs is associated with extreme photosensitivity as a reaction?
- A. Digitalis
- B. Niacin
- C. Tetracycline
- D. Fluoroquinolones
Correct Answer: C
Rationale: The correct answer is C: Tetracycline. Tetracycline is associated with extreme photosensitivity due to its mechanism of action causing phototoxic reactions when exposed to sunlight. Digitalis (A) is a cardiac medication, niacin (B) is a B vitamin, and fluoroquinolones (D) are antibiotics, none of which are known to cause extreme photosensitivity reactions.
Which of the following is the primary site of activity for the drug Warfarin?
- A. Kidney
- B. Liver
- C. Blood
- D. Heart
Correct Answer: B
Rationale: The correct answer is B: Liver. Warfarin is primarily metabolized in the liver by the cytochrome P450 enzyme system. The liver is responsible for breaking down and activating many drugs, including Warfarin. It is where the drug's metabolism and effects are most significant. The other choices are incorrect because Warfarin's main site of activity is in the liver, not the kidney, blood, or heart. The kidney mainly excretes the drug, while the blood carries it throughout the body, and the heart is not directly involved in Warfarin's metabolism.
Which of the following is not directly related to drug toxicity of Nitroglycerin?
- A. Headaches
- B. Tachycardia
- C. Dizziness
- D. Projectile vomiting
Correct Answer: D
Rationale: The correct answer is D: Projectile vomiting. Nitroglycerin is not directly associated with causing projectile vomiting. Nitroglycerin commonly causes headaches due to vasodilation, tachycardia due to decreased preload, and dizziness due to hypotension. Projectile vomiting is not a typical side effect of Nitroglycerin toxicity.
What is the antidote for copper toxicity?
- A. Glucagon
- B. Aminocaproic acid
- C. Atropine
- D. Penicillamine
Correct Answer: D
Rationale: The correct answer is D: Penicillamine. Penicillamine is a chelating agent that binds to copper and forms a complex that can be excreted from the body, making it an effective antidote for copper toxicity. Glucagon (A) is used for treating hypoglycemia, aminocaproic acid (B) is used to treat excessive bleeding, and atropine (C) is used to treat bradycardia and organophosphate poisoning, none of which are related to copper toxicity.