NEET MDS Quiz - Practice Test

1

Oral Medicine

Which of the following analgesics is contraindicated in heroin addicts?�

1. Ibuprofen�

2. Aspirin�

3. Dextropropoxyphene�

4. Pentazocine

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

Pentazocine is contraindicated in heroin addicts because it is a mixed agonist-antagonist opioid. Administering it to a person who is dependent on full agonists like heroin can immediately block opioid receptors and precipitate an acute, severe withdrawal syndrome

2

Oral Medicine

What is the genetic basis of neurofibromatosis type 1?
(1) Autosomal recessive inheritance, gene located on chromosome 13
(2) Autosomal dominant inheritance, gene located on chromosome 17
(3) Autosomal dominant inheritance, gene located on chromosome 22
(4) Autosomal recessive inheritance, gene located on chromosome 17

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

Neurofibromatosis type 1 is an autosomal dominant disorder caused by a mutation in the NF1 gene, which produces neurofibromin. The gene is located on chromosome 17.

3

Oral Medicine

Which of the following is a characteristic of the rash seen in scarlet fever?
(1) Small, flat, red spots that are not elevated.
(2) Small, raised, red bumps that feel like sandpaper.
(3) Large, fluid-filled blisters.
(4) Thin, red streaks that spread out from the central lesion.

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

The rash in scarlet fever is characterized by small, raised, red bumps that feel like sandpaper when touched. These bumps, known as "Pastia lines," are particularly prominent in skin folds. The rash is caused by the exotoxins produced by Streptococcus pyogenes and typically occurs with a strep throat infection.

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