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NEET MDS Quiz - Practice Test
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Practice Test

Medicine - 3 Questions

1
Medicine
The most common cause of Addison’s disease is
1. Autoimmune etiology
2. Tuberculosis
3. Metastatic carcinoma
4. Meningococcal septicemia

πŸ“ Explanation:

Addison's disease is a rare disorder caused by damage to the adrenal glands, resulting in insufficient production of hormones like cortisol and aldosterone. 


In developed countries, the most frequent cause is an autoimmune response where the body's immune system attacks the adrenal cortex.

2
Medicine
Lesion of the Meyer’s loop of the optic radiation causes
1. Central scotoma
2. Superior quadrantic hemianopia
3. Bitemporal hemianopia
4. Homonymous hemianopia

πŸ“ Explanation:

A lesion of the Meyer's loop (the anterior and inferior portion of the optic radiation in the temporal lobe) causes a superior quadrantic hemianopia because these fibers carry information from the superior visual fields of both eyes

3
Medicine
A middle-aged patient presented with pain abdomen, wrist drop, and chronic constipation. Features of encephalopathy were also present. Peripheral blood smear showed punctate basophilia. The patient was a case of
1. Lead poisoning
2. Iron poisoning
3. Arsenic poisoning
4. Copper poisoning

πŸ“ Explanation:

The symptoms described in the problem are characteristic of lead poisoning, which affects multiple systems in the body.

Gastrointestinal issues like abdominal pain (lead colic) and constipation are common.

Neurological effects include peripheral neuropathy, which can manifest as "wrist drop," and central nervous system effects leading to encephalopathy.

Hematological signs include anemia and punctate basophilia (also known as basophilic stippling) in red blood cells, which is a classic diagnostic feature.

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