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ENT MCQ

By AdminPosted On 05-Oct-2016

1. Trachea Anatomy : ENT MCQ

Which of the following statements is true regarding normal tracheal anatomy and structure?a) The trachea is posterior to the esophagusb) The trachea is 4 cm longc) The trachea is 4 cm in diameterd) The trachea divides into right and left main stem bronchi below the sternal anglee) The trachea is to the right of the midlineCorrect Answer: d) The trachea divides into right and left main stem bronchi below the sternal angle. Tracheal bifurcation is usually at the level of the 5th thoracic vertebra, which is in line with the sternal angle, but may raise or descend up to two vertebrae higher or lower with breathing.

2. Hearing Loss : ENT MCQ

A Weber test that lateralizes to the deaf ear with a Rinne test that is negative detects which kind of hearing loss?a) Conductiveb) Sensorineuralc) Electricald) Hystericale) SemanticCorrect Answer: a) Conductive hearing loss.1) If Weber's lateralises to the LEFT, then EITHER there is a CONDUCTIVE hearing loss on the LEFT, or there is SENSORINEURAL deficit on the RIGHT.2) If Rinne's test on the left is NEGATIVE, then there is CONDUCTIVE hearing loss on the LEFT. 3) If Rinne's test on the LEFT is POSITIVE, then there is likely SENSORINEURAL deficit on the RIGHT.

3. Thyroid Nodule : ENT MCQ

23 yrs old have a thyroid nodule. There is no pain, hoarseness, hemoptysis, or local symptoms. Serum TSH is normal. The next step in evaluation isa) Ultrasonographyb) Thyroid scanc) Surgical resectiond) Fine needle aspiration of thyroide) CTCorrect Answer: d) Fine needle aspiration of thyroid is used to determine whether the nodule is malignant which is the most cost-effective, sensitive and accurate test. FNAC or ultrasound-guided FNAC usually yields sufficient thyroid cells to assess the risk of malignancy.

4. Tonsils : ENT MCQ

Enlarged, grayish yellow or orange tonsils are pathognomonic of ?a) Waldenström’s macroglobulinemiab) Polycythemia verac) Wolman diseased) Tangier diseaseCorrect Answer: d) Tangier disease (also known as Familial alpha-lipoprotein deficiency) or Hypoalphalipoproteinemia is a rare inherited disorder characterized by a severe reduction in the amount of HDL. It presents with strikingly large and yellow-orange tonsils.

5. What is the most common disease in the world? : ENT MCQ

a) Anaemiab) Common coldc) UTId) Asthmae) Diabetesf) DepressionCorrect Answer: b) Common cold is a viral infectious disease of the upper respiratory tract which primarily affects the nose. The common cold is the most common human disease, and affects people all over the globe. Adults typically have two to five infections annually and children may have six to ten colds a year. The most commonly implicated virus is a rhinovirus (30–80%) and over 200 different viral types are associated with colds.

6. Otitis Media : ENT MCQ

3-month-old infant developed otitis media for which he was given a course of Co-trimoxazole. A few days later, he developed extensive peeling of the skin; there were no mucosal lesions and the baby was not toxic. Most likely diagnosis isa) Toxic epidermal necrolysisb) Staphylococcal scalded skin syndromec) Steven Johnson syndromed) Infantile pemphigusCorrect Answer: b) Staphylococcal scalded skin syndrome. It is also known as Pemphigus neonatorum or Ritter's disease,or Localized bullous impetigo is a dermatological condition caused by Staphylococcus aureus. It causes detachment within the epidermal layer; by breaking down the desmosomes. One of the exotoxins is encoded on the bacterial chromosome, while the other is encoded on a plasmid. These exotoxins are proteases that cleave desmoglein-1, which normally holds the granulosum and spinosum layers together.

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