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NEET MDS Quiz - Practice Test
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Practice Test

All Subjects - 3 Questions

1
General Medicine

What is the most common cause of chronic hepatitis in humans?
1) Hepatitis A
2) Hepatitis B
3) Hepatitis C
4) Alcohol abuse

📝 Explanation:

While hepatitis B and C are both common causes of chronic hepatitis, hepatitis B is the most frequently encountered cause due to its high prevalence worldwide and its ability to persist in the body for long periods.

2
Endodontics
Emergency treatment for a painful tooth with necrotic pulp in which inflammation is extended into periapical region is 
 1. Institutuion of endodontic therapy to extripate the non-vital pulp
 2. Prescribe antibiotics and analgesic
 3. Both A and B
 4. None of the above

📝 Explanation:

Emergency treatment requires immediate access to remove necrotic pulp tissue and establish drainage through the root canal. This provides the most effective drainage and removes the source of infection.

3
General Medicine

What is the primary mechanism of action of antihistamines in the management of anaphylaxis?
1) Blocking the release of mediators from mast cells
2) Directly counteracting the effects of histamine on H1 receptors
3) Acting on beta-2 adrenergic receptors to dilate bronchioles
4) Inhibiting the production of leukotrienes and prostaglandins

📝 Explanation:

Antihistamines, particularly H1 blockers, are used to counteract the vasodilatory and bronchoconstrictive effects of histamine in anaphylaxis.

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