Diseases of the Nose and Paranasal Sinuses Indian Medical PG Practice Questions and MCQs
Practice Indian Medical PG questions for Diseases of the Nose and Paranasal Sinuses. These multiple choice questions (MCQs) cover important concepts and help you prepare for your exams.
Diseases of the Nose and Paranasal Sinuses Indian Medical PG Question 1: Which of the following is NOT an indication for immediate referral to an ENT specialist in a case of epistaxis?
- A. Uncontrolled bleeding
- B. Suspected nasal tumor
- C. Bleeding despite nasal packing
- D. Mild bleeding resolved with pressure (Correct Answer)
Diseases of the Nose and Paranasal Sinuses Explanation: ***Mild bleeding resolved with pressure***
- This scenario suggests a **self-limiting epistaxis** episode that responds to standard first-aid measures.
- No indication for **ENT specialist intervention**, as the problem has already been successfully managed.
*Uncontrolled bleeding*
- **Persistent bleeding** despite initial management attempts (e.g., direct pressure, vasoconstrictive sprays) warrants immediate ENT referral.
- This indicates a potentially **larger vessel involvement** or an underlying coagulopathy requiring specialized intervention.
*Suspected nasal tumor*
- **Recurrent or persistent epistaxis**, especially when unilateral or accompanied by other nasal symptoms (e.g., obstruction, pain, anosmia), raises suspicion for a **nasal or sinonasal malignancy**.
- An ENT specialist is crucial for thorough evaluation, including **endoscopy and biopsy**, to rule out or diagnose a tumor.
*Bleeding despite nasal packing*
- If **bleeding persists** or recurs after appropriate nasal packing (anterior or posterior), it signifies a failure of initial specialized management.
- This situation requires urgent **ENT assessment** to identify the source and consider more advanced interventions like **cautery or surgical ligation**.
Diseases of the Nose and Paranasal Sinuses Indian Medical PG Question 2: Which of the following statements about nasal polyps is the MOST accurate?
- A. They are usually benign. (Correct Answer)
- B. They are more common in adults than children.
- C. They are commonly associated with aspirin sensitivity.
- D. They are a complication of chronic sinusitis.
Diseases of the Nose and Paranasal Sinuses Explanation: ***They are usually benign.***
- The vast majority of **nasal polyps** are benign inflammatory lesions, originating from the nasal or sinus mucosa.
- They are not considered neoplastic, differentiating them from malignant tumors that can occur in the nasal cavity.
*They are more common in adults than children.*
- While nasal polyps can occur in children, especially in association with **cystic fibrosis** or primary ciliary dyskinesia, they are still significantly more prevalent in adults.
- The peak incidence is typically in individuals between 40 and 60 years old.
*They are commonly associated with aspirin sensitivity.*
- **Aspirin-exacerbated respiratory disease (AERD)**, also known as Samter's triad, is a specific syndrome characterized by asthma, recurrent nasal polyps, and aspirin sensitivity.
- However, not all patients with nasal polyps have aspirin sensitivity; it's a specific subset of patients.
*They are a complication of chronic sinusitis.*
- While **chronic rhinosinusitis with nasal polyps (CRSwNP)** is a common presentation, and polyps often develop in the context of chronic inflammation, they are not strictly a "complication."
- Rather, nasal polyp formation is a manifestation or an end-stage of a specific inflammatory process within chronic rhinosinusitis, not merely an incidental side effect.
Diseases of the Nose and Paranasal Sinuses Indian Medical PG Question 3: A 30-year-old man presents with a 6-month history of nasal discharge, facial pain, and fever. On antibiotic therapy, the fever subsides. After 1 month, he again experiences symptoms of mucopurulent discharge from the middle meatus, and the mucosa of the meatus appears congested and oedematous. The next best investigation would be:
- A. MRI of the sinuses
- B. Non-Contrast CT of the nose and para-nasal sinuses (Correct Answer)
- C. Plain x-ray of the para-nasal sinuses
- D. Inferior meatus puncture
Diseases of the Nose and Paranasal Sinuses Explanation: ***Non-Contrast CT of the nose and para-nasal sinuses***
- A **non-contrast CT scan** is the **gold standard** for diagnosing chronic rhinosinusitis due to its excellent anatomical detail of bony structures and paranasal sinuses.
- It helps in identifying **mucosal thickening**, **obstruction**, and **bony remodelling** indicative of chronic inflammation, guiding further management and potential surgical planning.
*MRI of the sinuses*
- While MRI provides superior soft tissue resolution, it is **less effective than CT** in visualizing bony anatomy and subtle calcifications or bone thickness changes in the sinuses.
- It is often reserved for suspected **intracranial extension**, **orbital complications**, or differentiating between inflammatory processes and tumors, which are not the primary concern here.
*Plain x-ray of the para-nasal sinuses*
- Plain X-rays have **limited sensitivity and specificity** for diagnosing chronic rhinosinusitis due to superimposed structures and poor resolution.
- They can show gross opacification but **cannot adequately delineate** detailed sinus anatomy or the extent of mucosal disease.
*Inferior meatus puncture*
- Inferior meatus puncture is an **invasive procedure** primarily used for **sinus aspiration** or **lavage** in cases of acute purulent sinusitis for diagnostic culture and therapeutic drainage.
- It is **not a primary diagnostic imaging tool** for evaluating chronic sinus disease or anatomical variations.
Diseases of the Nose and Paranasal Sinuses Indian Medical PG Question 4: Match the following:
A) Glossopharyngeal nerve
B) Spinal accessory nerve
C) Facial nerve
D) Mandibular nerve
1) Shrugging of shoulder
2) Touch sensation from the posterior one-third of the tongue
3) Chewing
4) Taste from the anterior two-thirds of the tongue
- A. A-3 , B-1 , C-4 , D-2
- B. A-2 , B-3 , C-4 , D-1
- C. A-4 , B-1 , C-2 , D-3
- D. A-2 , B-1 , C-4 , D-3 (Correct Answer)
Diseases of the Nose and Paranasal Sinuses Explanation: ***A-2 , B-1 , C-4 , D-3***
- **A) Glossopharyngeal nerve (CN IX)** is responsible for **general sensation and taste from the posterior one-third of the tongue** [1]. (2).
- **B) Spinal Accessory nerve (CN XI)** innervates the **sternocleidomastoid** and **trapezius muscles**, which are involved in shrugging the shoulders (1).
- **C) Facial nerve (CN VII)** carries **taste sensation from the anterior two-thirds of the tongue** [1] (4) via the chorda tympani.
- **D) Mandibular nerve (V3)**, a branch of the trigeminal nerve, innervates the muscles of mastication, enabling **chewing** (3).
*A-3 , B-1 , C-4 , D-2*
- This option incorrectly associates the **glossopharyngeal nerve** with chewing, which is a function of the mandibular nerve (V3).
- It also incorrectly associates the **mandibular nerve** with touch sensation from the posterior one-third of the tongue, which is a function of the glossopharyngeal nerve [1].
*A-2 , B-3 , C-4 , D-1*
- This option incorrectly links the **spinal accessory nerve** with chewing; this nerve primarily controls shoulder and neck movements.
- It also incorrectly assigns shrugging of the shoulder to the **mandibular nerve** instead of the spinal accessory nerve.
*A-4 , B-1 , C-2 , D-3*
- This choice incorrectly attributes **taste from the anterior two-thirds of the tongue** to the glossopharyngeal nerve, which supplies the posterior one-third [1].
- It also incorrectly links **touch sensation from the posterior one-third of the tongue** to the facial nerve, which is involved in taste from the anterior two-thirds [1].
Diseases of the Nose and Paranasal Sinuses Indian Medical PG Question 5: CSF rhinorrhea is diagnosed by: MP 07
- A. Halo sign
- B. Glucose estimation
- C. Beta-2 transferrin (Correct Answer)
- D. All of the options
Diseases of the Nose and Paranasal Sinuses Explanation: ***Beta-2 transferrin***
- **Beta-2 transferrin** is the **gold standard** for diagnosing CSF rhinorrhea with **high specificity and sensitivity**
- It is present **only in CSF, perilymph, and aqueous humor**, making it highly specific for CSF leak diagnosis
- While it requires specialized laboratory analysis and may not be immediately available, it remains the **most reliable confirmatory test**
- Modern alternatives include **Beta-trace protein**, which also has high specificity
*Glucose estimation*
- Historically used as a rapid screening test based on the presence of glucose in CSF
- **Major limitation**: **Poor specificity** as nasal mucus, tears, and other secretions also contain glucose, leading to frequent false positives
- A positive glucose test is suggestive but **not diagnostic** and requires confirmation with more specific tests
- No longer considered the primary diagnostic method due to high false-positive rates
*Halo sign*
- The **halo sign** (or double ring sign) appears when nasal discharge mixed with blood is placed on filter paper, creating a central blood spot with a clear surrounding ring
- **Not specific for CSF** - other watery fluids (tears, saline) mixed with blood can produce similar appearance
- Useful as a **bedside screening test** but requires confirmation with biochemical analysis
*All of the options*
- While multiple tests can be used in the diagnostic workup, they have **different specificities and diagnostic values**
- **Beta-2 transferrin** is the definitive diagnostic test, while others serve as screening or supportive tests
- Therefore, "All of the options" is incorrect as the question asks for the diagnostic test, which specifically refers to the gold standard
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