FMGE 2017 - Anatomy PYQs Practice Questions

Q: Cords of Billroth in spleen are found in

Red pulp. ***Correct: Red pulp*** - The **cords of Billroth** (or splenic cords) are a distinctive histological feature of the **red pulp** of the spleen. - These cords consist of a meshwork of reticular cells and reticular fibers, packed with macrophages, lymphocytes, plasma cells, and abundant red blood cells. *Incorrect: White pulp* - The **white pulp** is primarily involved in immune functions, containing lymphoid follicles rich in lymphocytes. - It is organized around central arterioles and does not contain the cords of Billroth. *Incorrect: Trabecular zone* - The **trabecular zone** consists of connective tissue septa that extend inward from the splenic capsule, carrying blood vessels and nerves. - It provides structural support to the spleen but is not where the cords of Billroth are located. *Incorrect: Mantle zone* - The **mantle zone** is a region within the **white pulp**, surrounding the germinal centers of lymphoid follicles. - It is composed mainly of naive B lymphocytes and is distinct from the cords of Billroth. [Practice more Anatomy PYQs on OnCourse]

Q: NOT a content of carpal tunnel:-

Ulnar nerve. ***Ulnar nerve*** - The **ulnar nerve** passes superficial to the **flexor retinaculum**, meaning it is not a direct content of the carpal tunnel [1]. - Instead, it travels through a separate space known as **Guyon's canal**, alongside the ulnar artery [1]. *Median nerve* - The **median nerve** is a primary content of the carpal tunnel and is susceptible to compression within this space, leading to carpal tunnel syndrome [1]. - It provides sensory innervation to the lateral palm and digits, and motor innervation to certain thenar muscles [1]. *Flexor digitorum profundus* - The tendons of the **flexor digitorum profundus** muscles (four of them) pass through the carpal tunnel to insert onto the distal phalanges. - These tendons are responsible for **flexion of the distal interphalangeal (DIP) joints** of the medial four fingers. *Flexor digitorum superficialis* - The tendons of the **flexor digitorum superficialis** muscles (four of them) also pass through the carpal tunnel. - They are responsible for **flexion of the proximal interphalangeal (PIP) joints** of the medial four fingers. [Practice more Anatomy PYQs on OnCourse]

Q: Which of the following is TRUE about bronchopulmonary segments?

Pulmonary veins are intersegmental. Detailed knowledge of lung anatomy is essential for thoracic surgery. ***Pulmonary veins are intersegmental*** - The **pulmonary veins** run in the connective tissue septa **between** the bronchopulmonary segments, making them **intersegmental** [1]. - This anatomical arrangement allows surgeons to ligate the veins without affecting adjacent segments during a segmentectomy. *Spherical in shape* - Bronchopulmonary segments are typically **pyramid-shaped** or cone-shaped, with their apices directed towards the hilum [1]. - Their irregular, wedge-like structure allows them to fit together within the lung. *Artery is intersegmental* - The **bronchial arteries** and **pulmonary arteries** are **intrasegmental**, meaning they run **within** the bronchopulmonary segment alongside the bronchi. - Each segment has its own arterial supply, allowing for independent blood flow. *Non resectable* - Bronchopulmonary segments are considered **functionally and surgically independent units**, making them **resectable** [1]. - This allows for the removal of diseased segments while preserving healthy lung tissue, such as in cases of **lung cancer** or localized infection. [Practice more Anatomy PYQs on OnCourse]

Q: Left anterior descending artery is a direct branch of

Left coronary artery. ***Left coronary artery*** - The left coronary artery (LCA) is a major coronary artery that arises from the **aorta** and quickly branches into two main arteries: the **left anterior descending (LAD) artery** [1] and the circumflex artery. - The LAD artery, also known as the **"widowmaker"**, supplies oxygenated blood to the **anterior wall of the left ventricle** and the interventricular septum, making it crucial for heart function. *Right coronary artery* - The **right coronary artery (RCA)** typically supplies the **right atrium**, most of the **right ventricle**, and the inferior wall of the left ventricle, which are distinct areas from the LAD's supply. - The RCA originates from the **right sinus of Valsalva** and travels in the atrioventricular groove, while the LAD originates from the left main coronary artery [1]. *Circumflex artery* - The circumflex artery is another main branch of the **left coronary artery**, typically supplying the **lateral and posterior walls of the left ventricle** and the left atrium. - While it branches from the same parent vessel as the LAD, it is a direct branch itself, not the origin of the LAD [1]. *Ascending aorta* - The ascending aorta is the initial part of the aorta that originates from the **left ventricle** and gives rise to the **coronary arteries** (both left and right coronary arteries). - It is the source from which the **left coronary artery** (and thus the LAD indirectly) originates, but it is not a direct branch itself. [Practice more Anatomy PYQs on OnCourse]

Q: Cutaneous supply over the parotid gland is by:

Greater auricular nerve. ***Greater auricular nerve*** - The **greater auricular nerve**, a branch of the cervical plexus (C2-C3), is the **primary cutaneous nerve** supplying sensation to the skin over the parotid gland and the angle of the mandible. - It ascends from behind the sternocleidomastoid muscle and provides the main sensory innervation to the parotid region, making it the most important nerve for this area. *Auriculotemporal nerve* - The **auriculotemporal nerve** (branch of mandibular division of trigeminal nerve) supplies sensory innervation to the skin of the temporal region, the external auditory meatus, and the tympanic membrane. - While it provides some cutaneous supply to the upper/posterior part of the parotid region, the **greater auricular nerve is the primary cutaneous nerve** over the parotid gland proper. - It also carries postganglionic parasympathetic fibers (from otic ganglion) to the parotid gland for secretomotor function. *Greater occipital nerve* - The **greater occipital nerve** is responsible for cutaneous sensation to the posterior scalp, up to the vertex of the head. - It arises from the dorsal ramus of C2 and has no role in the cutaneous supply over the parotid gland. *Facial nerve* - The **facial nerve (CN VII)** is primarily a motor nerve that controls the muscles of facial expression. - While it passes through the parotid gland and divides within it, it does not provide cutaneous sensory innervation to the skin overlying the gland. [Practice more Anatomy PYQs on OnCourse]

Question 1

Cords of Billroth in spleen are found in

Accepted Answer

Red pulp

Answer

White pulp

Answer

Trabecular zone

Answer

Mantle zone

Question 2

NOT a content of carpal tunnel:-

Accepted Answer

Ulnar nerve

Answer

Median nerve

Answer

Flexor digitorum profundus

Answer

Flexor digitorum superficialis

Question 3

Which of the following is TRUE about bronchopulmonary segments?

Accepted Answer

Pulmonary veins are intersegmental

Answer

Spherical in shape

Answer

Artery is intersegmental

Answer

Non resectable

Question 4

Left anterior descending artery is a direct branch of

Accepted Answer

Left coronary artery

Answer

Right coronary artery

Answer

Circumflex artery

Answer

Ascending aorta

Question 5

Cutaneous supply over the parotid gland is by:

Accepted Answer

Greater auricular nerve

Answer

Auriculotemporal nerve

Answer

Greater occipital nerve

Answer

Facial nerve

Question 6

The cranial nerve passing through cavernous sinus is

Accepted Answer

Abducens

Answer

Olfactory

Answer

Facial

Answer

Optic

Question 7

NOT a content of superior mediastinum

Accepted Answer

Left superior intercostal artery

Answer

Arch of aorta

Answer

Thymus

Answer

Pulmonary trunk

Question 8

Which of the following structures passes through Guyon's canal?

Accepted Answer

Ulnar nerve

Answer

Flexor carpi radialis

Answer

Radial nerve

Answer

Median nerve

Question 9

Tendons in the 2nd compartment of wrist?

Accepted Answer

Extensor carpi radialis brevis and longus

Answer

Extensor pollicis longus

Answer

Extensor pollicis brevis

Answer

Abductor pollicis longus

Question 10

In pediatric assessment, a cephalic index of 75-80 is classified as:

Accepted Answer

Mesocephalic head shape

Answer

Dolichocephalic head shape

Answer

Brachycephalic head shape

Answer

Scaphocephalic head shape

FMGE 2017 — Anatomy