Nokea
Which of the following is not a known effect of the drug Clozapine?
- A. Agranulocytosis
- B. Antipsychotic
- C. Used for Schizophrenia
- D. Hyperactivity
Correct Answer: D
Rationale: The correct answer is D: Hyperactivity. Clozapine is an antipsychotic drug used for schizophrenia treatment. Agranulocytosis is a known severe side effect of Clozapine. Hyperactivity is not a known effect of Clozapine, as it actually has a sedative effect due to its mechanism of action in the brain. Therefore, option D is the correct answer. Options A, B, and C are incorrect as agranulocytosis is a known side effect, Clozapine is an antipsychotic drug, and it is commonly used for schizophrenia treatment.
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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 a side effect of Sympathoplegics (Clonidine)?
- A. Hypertension
- B. Difficulty breathing
- C. Dry oral cavity
- D. Lethargic behavior
Correct Answer: A
Rationale: The correct answer is A: Hypertension is not a side effect of Sympathoplegics (Clonidine). Sympathoplegics are medications that inhibit the sympathetic nervous system, leading to decreased heart rate and blood pressure. Therefore, hypertension is not a common side effect. Choices B, C, and D are incorrect because difficulty breathing, dry oral cavity, and lethargic behavior are potential side effects of Sympathoplegics due to their central nervous system depressant effects.
Which of the following is not a side effect of the ACE Inhibitor (Captopril)?
- A. Rash
- B. Angioedema
- C. Cough
- D. Congestion
Correct Answer: D
Rationale: The correct answer is D: Congestion. ACE Inhibitors like Captopril do not typically cause congestion as a side effect. The main reason is that ACE inhibitors work by dilating blood vessels, which helps reduce blood pressure and improve blood flow. Congestion is more commonly associated with conditions like allergies or upper respiratory infections.
A: Rash - Possible side effect of ACE inhibitors, but not specific to Captopril.
B: Angioedema - Rare but serious side effect of ACE inhibitors, including Captopril.
C: Cough - Common side effect of ACE inhibitors due to increased bradykinin levels.
Which of the following is the antidote for Heparin toxicity?
- A. Protamine
- B. Methylene blue
- C. N-acetylcysteine
- D. Glucagon
Correct Answer: A
Rationale: Protamine is the antidote for Heparin toxicity because it binds to Heparin and forms a stable complex, neutralizing its anticoagulant effects. Protamine sulfate is positively charged, while Heparin is negatively charged, allowing them to bind effectively. Methylene blue is used to treat methemoglobinemia, not Heparin toxicity. N-acetylcysteine is used for acetaminophen overdose, and Glucagon is used for beta-blocker overdose.
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.