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NEET MDS Quiz - Practice Test
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Oral Medicine - 3 Questions

1
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.

📝 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.

2
Oral Medicine

In a patient with suspected acute coronary syndrome, which of the following ECG changes is most indicative of an ST-elevation myocardial infarction (STEMI)?
1) ST depression in leads II, III, and aVF
2) ST elevation in leads I and aVL
3) ST elevation in leads V1-V4 with reciprocal depression in leads II, III, and aVF
4) ST elevation in leads II, III, and aVF

📝 Explanation:

In a patient with a suspected STEMI, the characteristic ECG findings include ST elevation in the anterolateral leads (I, aVL, V1-V6) and reciprocal ST depression in the inferior leads (II, III, aVF). The pattern of ST elevation in the anterolateral leads with reciprocal depression in the inferior leads is most indicative of a STEMI affecting the anterolateral wall of the heart.

3
Oral medicine
Varicose veins may be seen in the
1) Calf
2) Thigh
3) Scrotum
4) All of the above

📝 Explanation:

  • Varicose veins are characterized by twisted, swollen veins that often appear blue or purple. Common signs and symptoms include aching or heavy legs, burning or throbbing sensations, muscle cramps, swelling in the lower legs, and skin changes such as color alterations or sores

    Visible Changes:

    • Twisted, swollen veins that are often blue or dark purple.
    • Bulging veins that may appear just below the skin surface.

  • Physical Sensations:

    • Aching or heavy feeling in the legs.
    • Burning, throbbing, or cramping sensations, particularly in the calves.
    • Swelling in the lower legs and ankles.

  • Skin Changes:

    • Color changes in the skin, which may appear red or brown.
    • Development of sores or ulcers on the skin that do not heal easily.
    • Scaly or irritated skin that may crack easily.

  • Other Symptoms:

    • Restless legs syndrome, which can cause discomfort and an urge to move the legs.
    • Pain in the legs or calves after prolonged sitting or standing.

Complications of Varicose Veins

  • Severe Symptoms:

    • Increased leg swelling and pain, especially after long periods of inactivity.
    • Risk of developing deep vein thrombosis (DVT), which can lead to serious complications if blood clots form.

  • Skin Conditions:

    • Lipodermatosclerosis, a condition that causes inflammation and hardening of the skin.
    • Venous ulcers, which are painful sores that can develop due to poor circulation.

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