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NEET MDS Quiz - Practice Test
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pharmacology - 3 Questions

1
Pharmacology

Metronidazole is a treatment of choice for : 

1) Salmonellosis
2) Ulcerative colitis
3) hookworm parasitic infection
4) Pseudomembranous colitis

📝 Explanation:

metronidazole 250 mg po qid for 7 to 10 days is the treatment of choice.

Oral vancomycin 125 mg qid is reserved for the most severe or resistant cases

The antimicrobials most widely regarded as optimal for the treatment of salmonellosis in adults is the group of fluoroquinolones.

2
Pharmacology

The Beta Blocker with local Anesthetic effect is

1) Pindolol  
2) Atenolol 
3) Esmorolol
4) Timolol 

📝 Explanation:

Local anesthetic action, also known as "membrane-stabilizing" action, is a prominent effect of several -blockers Acebutolol, Labetalol, Pindolol Propranolol.
This action is the result of typical local anesthetic blockade of sodium channels and can be demonstrated experimentally in isolated neurons, heart muscle, and skeletal muscle membrane.

3
Pharmacology
Chlortetracycline acts by interfering with 1. protein synthesis on bacterial but not mammalian ribosomes 2. cell wall synthesis 3. nucleic acid synthesis 4. protein synthesis on mammalian but not bacterial ribosomes

📝 Explanation:

Chlortetracycline acts by interfering with protein synthesis on bacterial but not mammalian ribosomes

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