MCQ Snacks - Pg ( Free Trial)- 7

1.

Identify fundus of a patient with h/o severe vision loss after head trauma

A.

Purtscher's retinopathy
B.

Coat's disease
C.

Retinitis pigmentosa
D.

Retinal detachment

Correct Answer
A. Purtscher's retinopathy

Explanation
Purtscher retinopathy is a hemorrhagic and vasoocclusive vasculopathy, which, in 1912, was first described as a syndrome of sudden blindness associated with severe head trauma. These patients had findings of multiple white retinal patches and retinal hemorrhages that were associated with severe vision loss.

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2.

True about cyproheptadine? a] antiserotinergic b] blocks 5 HT receptors c] antihistaminic d] cholinergic

A.

A,b
B.

A,b,c
C.

A,b,c,d
D.

B,c

Correct Answer
B. A,b,c

Explanation
It has anticholinergic action

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3.

Pick the incorrect statement

A.

Aprotinin is an inhibitor of kalikrenin
B.

Kentanserin is selective 5 HT-2 antagonist
C.

St.Anthony's fire is related to Ergot
D.

Bromocriptine is D2 antagonist

Correct Answer
D. Bromocriptine is D2 antagonist

Explanation
St.anthony's fire is related to ergot
Bromocriptinre is D2 agonist

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4.

True about nasopharyngeal carcinoma all except

A.

Known as Guangdong tumor
B.

Increase incidence in china due to preserved fish consumption
C.

MC site is fossa of Rossenmuller
D.

Most common presentation is epistaxis

Correct Answer
D. Most common presentation is epistaxis

Explanation
mc site: fossa of rossenmuller
mc presentation:painless cervical LN

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5.

A neonate presents with skin rashes following lines of blaschko and generalised seizure at 22 day of life. There is history of 2 abortions and same skin rashes in a female sibling. identify the correct statement for this disorder

A.

X linked dominant
B.

Also known as bloch-sulzburger syndrome
C.

Loss of function mutation present
D.

All of the above

Correct Answer
D. All of the above

Explanation
Diagnosis: incontinentia pigmentii

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6.

Tiger tail band on hair examination under polarised light is seen in?

A.

Trichothiodystrophy
B.

Tricholipodystrophy
C.

Both
D.

None

Correct Answer
A. Trichothiodystrophy

Explanation
The correct answer is Trichothiodystrophy. Trichothiodystrophy is a rare genetic disorder characterized by brittle hair that has a tiger tail band appearance when examined under polarized light. This banding pattern is caused by abnormal cross-linking of the hair shaft proteins. Tricholipodystrophy, on the other hand, is a different condition characterized by abnormal fat distribution and does not exhibit the tiger tail banding pattern on hair examination. Therefore, the correct answer is Trichothiodystrophy.

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7.

Following x ray is suggestive of?

A.

Paget’s disease
B.

Hyperparathyroidism
C.

Osteopetrosis
D.

Osteoporosis

Correct Answer
A. Paget’s disease

Explanation
Cotton wool appearance of Paget’s disease

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8.

Identify the organism in the image and choose correct option

A.

Discovered by schaudinn and Hoffman
B.

Dark field microscopy is used to detect
C.

Tumbling motility is shown by this organism
D.

a and b are true

Correct Answer
D. a and b are true

Explanation
slide showing T.pallidum

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9.

Symbol used for awareness of?

A.

Leukemia
B.

Diabetes mellitus
C.

Thyroid cancer
D.

Hypertension

Correct Answer
A. Leukemia

Explanation
The symbol used for awareness of leukemia is the correct answer. Leukemia is a type of cancer that affects the blood and bone marrow. The symbol used for awareness of a particular disease or condition is often a visual representation that is widely recognized and associated with that specific disease. In the case of leukemia, the orange ribbon is commonly used as a symbol to raise awareness and show support for those affected by the disease.

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10.

Hall's stain is used to stain?

A.

Melanin
B.

Calcium
C.

Bile pigments
D.

Copper in tissues

Correct Answer
C. Bile pigments

Explanation
Hall's stain is used to stain bile pigments. Bile pigments are yellow or green pigments produced by the liver as a byproduct of hemoglobin breakdown. Hall's stain is a specific stain used to detect the presence of bile pigments in tissues. It is commonly used in histology and pathology to identify the presence of bile pigments in cells or tissues, which can indicate liver disease or other conditions affecting the biliary system.

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