Diseases of the Nose and Paranasal Sinuses Practice Questions

Q: What is the treatment of Rhinitis Medicamentosa?

Withdrawal of nasal drops with a short course of steroids. **Explanation:** **Rhinitis Medicamentosa** is a condition of rebound nasal congestion caused by the prolonged use (typically >5–7 days) of topical nasal decongestants (e.g., Oxymetazoline, Xylometazoline). These drugs cause vasoconstriction; however, chronic use leads to tachyphylaxis, interstitial edema, and secondary vasodilation, resulting in a "rebound" phenomenon where the patient feels more congested than before. **Why Option A is Correct:** The primary goal of treatment is to break the cycle of dependency. 1. **Withdrawal:** Immediate cessation of the offending topical decongestant is mandatory to allow the nasal mucosa to recover. 2. **Steroids:** Systemic or topical corticosteroids are used to reduce the underlying mucosal inflammation and edema, making the withdrawal process tolerable for the patient. **Why Other Options are Incorrect:** * **Option B (Antibiotics):** Rhinitis Medicamentosa is a drug-induced physiological change, not a bacterial infection. Antibiotics have no role unless there is a secondary bacterial sinusitis. * **Option C (Polypectomy):** This is a surgical procedure for nasal polyps. While chronic rhinitis can lead to mucosal hypertrophy, the initial management is medical withdrawal, not surgery. * **Option D (Increasing the dose):** This would exacerbate the condition, leading to further mucosal damage and worsening the rebound congestion. **High-Yield NEET-PG Pearls:** * **Pathophysiology:** Chronic use leads to the loss of vascular tone and permanent damage to the ciliary epithelium. * **Clinical Presentation:** The patient often describes a "red, beefy" nasal mucosa on examination. * **Management Tip:** To ease withdrawal, some clinicians suggest stopping the drops in one nostril at a time (the "one-nostril-at-a-time" method) while starting intranasal steroid sprays.

Q: All of the following are true of antrochoanal polyp except?

Bleeds on touch. **Explanation:** Antrochoanal polyps (Killian's polyp) are benign, non-neoplastic growths that arise from the mucosa of the maxillary sinus, exit through the accessory ostium, and extend into the choana and nasopharynx. **Why "Bleeds on touch" is the correct answer (False statement):** Antrochoanal polyps are typically **translucent, pearly white, or grayish-pink** in appearance. They are relatively avascular and smooth. Unlike malignant tumors (like inverted papilloma or squamous cell carcinoma) or vascular tumors (like Juvenile Nasopharyngeal Angiofibroma), they **do not bleed on touch**. If a nasal mass bleeds easily, a clinician should suspect malignancy or a vascular lesion rather than a simple polyp. **Analysis of other options:** * **A. Common in young:** True. These polyps are most frequently seen in children and young adults, unlike ethmoidal polyps which are more common in older adults. * **B. Single and unilateral:** True. Antrochoanal polyps are characteristically solitary and affect only one side. Bilateral presentation is extremely rare. * **D. Treatment involves FESS:** True. Functional Endoscopic Sinus Surgery (FESS) is the gold standard. The goal is to remove the polyp and its stalk from the maxillary sinus to prevent recurrence. **High-Yield Clinical Pearls for NEET-PG:** * **Components:** It has three parts—Antral, Nasal, and Choanal. * **Radiology:** On X-ray/CT, it shows opacification of the maxillary sinus with a soft tissue mass extending into the nasopharynx. * **Differential Diagnosis:** Must be differentiated from **Angiofibroma** (which occurs in adolescent males and bleeds profusely). * **Historical Note:** The Caldwell-Luc operation was previously used but has been largely replaced by FESS.

Q: Which of the following arteries does NOT participate in the anastomosis in Little's area?

Posterior ethmoid artery. **Explanation:** **Little’s Area** (also known as Kiesselbach’s plexus) is a highly vascularized region located in the anteroinferior part of the nasal septum. It is the most common site for epistaxis (nosebleeds). **1. Why the Correct Answer is Right:** The **Posterior Ethmoid Artery** is the correct answer because it does **not** contribute to the plexus. It supplies the superior turbinate and the posterior part of the nasal septum. Anatomically, it enters the nasal cavity further back and higher up than Little's area. **2. Analysis of Incorrect Options (The Contributors):** Little’s area is formed by the anastomosis of four main arteries derived from both the Internal Carotid Artery (ICA) and External Carotid Artery (ECA) systems: * **Anterior Ethmoid Artery (Option A):** A branch of the Ophthalmic artery (ICA system). It supplies the anterosuperior part of the septum. * **Sphenopalatine Artery (Option B):** Known as the "Artery of Epistaxis," it is a terminal branch of the Maxillary artery (ECA system). * **Greater Palatine Artery (Option D):** A branch of the Maxillary artery (ECA system) that reaches the septum via the incisive canal. * **Superior Labial Artery (Septal branch):** A branch of the Facial artery (ECA system). **3. Clinical Pearls for NEET-PG:** * **Woodruff’s Plexus:** Located posteriorly (venous plexus) over the middle and inferior turbinates; it is the common site for **posterior epistaxis**. * **Artery of Epistaxis:** Sphenopalatine artery. * **Trotter’s Triad:** Associated with Nasopharyngeal Carcinoma (Conductive deafness, Palatal palsy, and Temporofacial neuralgia). * **Management:** Anterior epistaxis from Little's area is typically managed with chemical cautery (Silver Nitrate) or anterior nasal packing.

Q: A patient, post-laparoscopic appendicectomy, experienced a fall from bed resulting in nasal swelling and difficulty breathing. What is the next step in management?

Surgical drainage. **Explanation:** The clinical presentation of nasal swelling and airway obstruction following trauma (the fall) is highly suggestive of a **Nasal Septal Hematoma**. This occurs when blood collects between the septal cartilage and its overlying mucoperichondrium. **Why Surgical Drainage is the Correct Answer:** A septal hematoma is a surgical emergency. The septal cartilage relies on the perichondrium for its blood supply through diffusion. The collection of blood separates these layers, leading to **ischemic necrosis** of the cartilage. If not drained immediately via incision and drainage (I&D), it can lead to a septal abscess, septal perforation, or a permanent cosmetic deformity known as **Saddle Nose Deformity**. **Analysis of Incorrect Options:** * **Option A (Antibiotics):** While antibiotics are given post-drainage to prevent secondary infection (abscess), they cannot evacuate the hematoma or restore blood supply to the cartilage. * **Option B (Observation):** Observation is contraindicated as the pressure from the hematoma will continue to compromise the cartilage's viability. * **Option D (Discharge/Delayed Follow-up):** Delaying treatment for 8 weeks would guarantee permanent structural damage and potential intracranial complications if an abscess forms. **NEET-PG High-Yield Pearls:** * **Clinical Sign:** On examination, look for a bilateral, soft, fluctuant, reddish/purplish bulge on the septum that does not shrink with topical vasoconstrictors. * **Management:** Wide horizontal incision (to prevent premature closure) followed by nasal packing to prevent re-accumulation. * **Most Common Complication:** If untreated, the most common late complication is **Saddle Nose Deformity** due to cartilage destruction. * **Pediatric Note:** In children, even minor trauma can cause a hematoma; always check the septum in pediatric nasal injuries.

Q: Which of the following is NOT a component of Kiesselbach's plexus?

Posterior ethmoidal artery. **Explanation:** **Kiesselbach’s Plexus** (also known as Little’s area) is a highly vascularized region located on the anteroinferior part of the nasal septum. It is the most common site for epistaxis (90% of cases). **1. Why Posterior Ethmoidal Artery is the Correct Answer:** The **Posterior ethmoidal artery** does not contribute to Kiesselbach's plexus. It supplies the superior turbinate and the posterior part of the nasal septum. In contrast, the **Anterior ethmoidal artery** is a key component of the plexus. Remembering this distinction is a frequent "trap" in NEET-PG questions. **2. Analysis of Incorrect Options (Components of the Plexus):** The plexus is formed by the anastomosis of four main arteries derived from both the Internal Carotid Artery (ICA) and External Carotid Artery (ECA) systems: * **Superior Labial Artery (Option A):** A branch of the Facial artery (ECA), supplying the anteroinferior septum. * **Sphenopalatine Artery (Option C):** Known as the "Artery of Epistaxis," it is the terminal branch of the Maxillary artery (ECA). * **Greater Palatine Artery (Option D):** A branch of the Maxillary artery (ECA) that enters the nose through the incisive canal. * *(Not listed in options but essential)*: **Anterior Ethmoidal Artery**, a branch of the Ophthalmic artery (ICA). **Clinical Pearls for NEET-PG:** * **Woodruff’s Plexus:** Located posteriorly (venous plexus), it is the most common site for **posterior epistaxis**, involving the sphenopalatine artery. * **Little’s Area:** The clinical name for the site where Kiesselbach’s plexus is located. * **Management:** Anterior epistaxis is typically managed by local pressure (Trotter’s method) or chemical cautery (Silver Nitrate), whereas posterior epistaxis often requires packing or arterial ligation.

Q: A 10-year-old child presents with unilateral nasal obstruction, epistaxis, and swelling over the cheek. What is the most likely diagnosis?

Angiofibroma. **Explanation:** The clinical triad of **unilateral nasal obstruction, recurrent epistaxis, and facial swelling** in a young male child is a classic presentation of **Juvenile Nasopharyngeal Angiofibroma (JNA)**. **1. Why Angiofibroma is Correct:** JNA is a benign but locally aggressive, highly vascular tumor that almost exclusively affects adolescent males (typically 10–20 years old). It originates near the sphenopalatine foramen. As the tumor grows, it expands into the pterygopalatine fossa, leading to the characteristic **cheek swelling** (Frog-face deformity in advanced stages). The vascular nature of the tumor explains the profuse, spontaneous epistaxis. **2. Why Other Options are Incorrect:** * **Nasal Polyp:** Usually presents with bilateral obstruction and watery discharge. While they can cause swelling (e.g., Ethmoidal polyps), they rarely cause significant epistaxis. * **Nasopharyngeal Carcinoma:** More common in older adults (bimodal peak) or associated with EBV. It typically presents with cervical lymphadenopathy and serous otitis media rather than acute cheek swelling in a child. * **Foreign Bodies:** Common in children and cause unilateral obstruction and malodorous/purulent discharge, but they do not cause facial swelling or massive epistaxis. **3. NEET-PG High-Yield Pearls:** * **Holman-Miller Sign (Antral Sign):** Forward bowing of the posterior wall of the maxillary sinus seen on lateral X-ray or CT. * **Diagnosis:** Contrast-enhanced CT (CECT) is the investigation of choice. **Biopsy is contraindicated** due to the risk of life-threatening hemorrhage. * **Treatment:** Surgical excision (usually preceded by preoperative embolization to reduce blood loss). * **Origin:** Sphenopalatine foramen/Pterygopalatine fossa.

Q: Features associated with Deviated Nasal Septum (DNS) include all of the following except?

Atrophy of turbinate. ### Explanation **Deviated Nasal Septum (DNS)** refers to a physical shift of the nasal septum from the midline, which leads to structural and functional changes within the nasal cavity. **Why "Atrophy of turbinate" is the correct answer:** In DNS, the nasal cavity is divided into a **narrow side** (convexity) and a **wider side** (concavity). To compensate for the excess room on the wider side and to regulate airflow/humidification, the body undergoes **Compensatory Hypertrophy** of the inferior turbinate. Therefore, DNS is associated with *hypertrophy*, not *atrophy*. Atrophy of turbinates is typically seen in conditions like Atrophic Rhinitis (Ozaena). **Analysis of Incorrect Options:** * **Epistaxis:** The sharp angulation at the site of a septal spur or deviation stretches the overlying mucosa, making it thin and prone to drying and crusting. This leads to the rupture of small vessels, causing nosebleeds. * **Hypertrophy of turbinate:** As mentioned, this is a compensatory mechanism on the side opposite the deviation to prevent excessive drying of the mucosa. * **Recurrent Sinusitis:** DNS can obstruct the **osteomeatal complex**, impairing the drainage and ventilation of the paranasal sinuses, which leads to stasis of secretions and infection. **High-Yield Clinical Pearls for NEET-PG:** * **Cottle’s Test:** Used to evaluate nasal valve patency in DNS. * **Sluder’s Neuralgia:** Facial pain caused by a septal spur pressing against the lateral nasal wall (contact point headache). * **Treatment of Choice:** Septoplasty is preferred over SMR (Submucous Resection) in younger patients to preserve septal support.

Q: Pain in the vertex is typically seen in which condition?

Sphenoid sinusitis. **Explanation:** The correct answer is **Sphenoid Sinusitis**. **1. Why Sphenoid Sinusitis is correct:** The sphenoid sinus is located deep within the skull, close to the center of the cranial base. Pain originating from the sphenoid sinus is typically referred to the **vertex** (the top of the head), the occiput, or behind the eyes (retro-orbital). This referred pain pattern occurs because the sinus is innervated by the ophthalmic division of the trigeminal nerve (CN V1) and the sphenopalatine ganglion. Sphenoid sinusitis is often called the "forgotten sinus" because its symptoms are vague and do not present with typical facial pressure. **2. Why the other options are incorrect:** * **Ethmoid Sinusitis:** Pain is typically localized to the **bridge of the nose**, the medial canthus of the eye, or the retro-orbital area. * **Frontal Sinusitis:** Characterized by pain in the **forehead** (supraorbital region). It often follows a "periodic" or "office headache" pattern, where pain starts in the morning and subsides by late afternoon as the sinus drains. * **Maxillary Sinusitis:** Pain is felt over the **cheek** (infraorbital region) and may be referred to the upper teeth (dental pain), as the superior alveolar nerves supply both the sinus and the teeth. **3. Clinical Pearls for NEET-PG:** * **Office Headache:** Classic sign of Frontal Sinusitis. * **Mnemonic for Pain Sites:** * Frontal → Forehead * Maxillary → Cheek/Teeth * Ethmoid → Bridge of nose * Sphenoid → Vertex/Occiput * **Complications:** Sphenoid sinusitis is high-risk due to its proximity to the optic nerve, cavernous sinus, and internal carotid artery. Always rule it out in cases of isolated vertex headache.

Question 1

What is the treatment of Rhinitis Medicamentosa?

Accepted Answer

Withdrawal of nasal drops with a short course of steroids

Answer

Antibiotics

Answer

Polypectomy

Answer

Increasing the dose of the nasal drops

Question 2

Regarding nasal syphilis, which of the following statements is true, except?

Accepted Answer

Secondary syphilis is the common association.

Answer

Perforation can occur in the nasal septum.

Answer

Saddle nose deformity may develop.

Answer

In newborns, the condition presents as snuffles.

Question 3

All of the following are true of antrochoanal polyp except?

Accepted Answer

Bleeds on touch

Answer

Common in young

Answer

Single and unilateral

Answer

Treatment involves FESS

Question 4

Which of the following arteries does NOT participate in the anastomosis in Little's area?

Accepted Answer

Posterior ethmoid artery

Answer

Anterior ethmoid artery

Answer

Sphenopalatine artery

Answer

Greater palatine artery

Question 5

A patient, post-laparoscopic appendicectomy, experienced a fall from bed resulting in nasal swelling and difficulty breathing. What is the next step in management?

Accepted Answer

Surgical drainage

Answer

Administer antibiotics for 7-10 days

Answer

Observation in hospital

Answer

Discharge after 2 days with follow-up in 8 weeks

Question 6

Which of the following is NOT a component of Kiesselbach's plexus?

Accepted Answer

Posterior ethmoidal artery

Answer

Superior labial artery

Answer

Sphenopalatine artery

Answer

Greater palatine artery

Question 7

Kiesselbach's area is formed by the anastomosis of which arteries?

Accepted Answer

Sphenopalatine artery and superior labial artery

Answer

Sphenopalatine artery and anterior ethmoidal artery

Answer

Anterior ethmoidal artery and posterior ethmoidal artery

Answer

Anterior ethmoidal artery and superior labial artery

Question 8

A 10-year-old child presents with unilateral nasal obstruction, epistaxis, and swelling over the cheek. What is the most likely diagnosis?

Accepted Answer

Angiofibroma

Answer

Nasal polyp

Answer

Nasopharyngeal carcinoma

Answer

Foreign bodies

Question 9

Features associated with Deviated Nasal Septum (DNS) include all of the following except?

Accepted Answer

Atrophy of turbinate

Answer

Epistaxis

Answer

Hypertrophy of turbinate

Answer

Recurrent sinusitis

Question 10

Pain in the vertex is typically seen in which condition?

Accepted Answer

Sphenoid sinusitis

Answer

Ethmoid sinusitis

Answer

Frontal sinusitis

Answer

Maxillary sinusitis

Diseases of the Nose and Paranasal Sinuses — MCQs

Diseases of the Nose and Paranasal Sinuses — MCQs

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