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COMPETITIVE EXAM

DOCTORS LISTING

Anatomy-A8 Language : English Your Anatomy SCORE

Text Size A- A+

Total Score : 0.05

Q.1

Pisiform is considered as a sesamoid bone in the tendon of?

A. Flexor carpi ulnaris

B. Abductor digiti minimi

C. Flexor digitorum profundus

D. Flexor digitorum superficialis

Explanation :

Flexor carpi ulnaris is primarily inserted into the pisiform bone.
But the muscle action is transmitted through ligaments into the hamate bone (via pisohamate ligament) and the 5th metacarpal bone (via pisometacarpal ligament).
Hence, pisiform is considered as a sesamoid bone located in the tendon of flexor carpi ulnaris.

Other structures attached to pisiform:

Flexor retinaculum
Abductor digiti minimi
Extensor retinaculum

Q.2

Largest bursa in the human body is?

A. Trochanteric bursa

B. Infrapatellar bursa

C. Subacromial bursa

D. Prepatellar bursa

Explanation :

The largest bursa in the body is the subacromial bursa.
It is located beneath the coracoacromial arch and the deltoid muscle.
Supraspinatus tendon and the greater tubercle of the humerus is situated underneath the bursa.

Functions:

Prevents friction between supraspinatus tendon and acromion.
Facilitates the movement of the greater tubercle of humerus under the acromion process during overhead abduction.

Q.3

Which is not a part of the hypogastric sheath?

A. Transverse cervical ligament

B. Lateral ligament of bladder

C. Uterosacral ligament

D. Broad ligament

Explanation :

Hypogastric sheath is a condensation of the pelvic fascia which transmits vessels and nerves along the lateral pelvic wall towards the pelvic viscera.
Broad ligament of uterus is not a part of the hypogastric sheath.
It is a peritoneal fold.

Parts of the hypogastric sheath:

Anterior lamina – Lateral ligament of bladder.
Middle lamina – Transverse cervical ligament, rectovesical septum in males.
Posterior lamina – Presacral fascia, uterosacral ligament.

Q.4

Chief pronator of the forearm is -

A. Flexor carpi radialis

B. Gravity

C. Pronator teres

D. Pronator quadratus

Explanation :

Muscles involved in pronation of the forearm are:

Pronator quadratus
Pronator teres

The chief pronator is pronator quadratus.
It is assisted by the pronator teres to facilitate rapid movement and when the action is against resistance.
Gravity also assists in pronation.

Q.5

Supination of forearm with the elbow extended is brought about mainly by?

A. Brachioradialis

B. Supinator

C. Brachialis

D. Biceps brachii

Explanation :

Supinators of the forearm are:

Biceps brachii (Involved in rapid supination with elbow flexed and supination against resistance.)
Supinator (Mainly concerned with slow supination with elbow extended.)

Q.6

Oblique head of adductor pollicis arises from?

A. Hamate

B. Trapezoid

C. Capitate

D. Trapezium

Explanation :

Oblique head of adductor pollicis originates from capitate and the bases of 2nd and 3rd metacarpals.
Transverse head originates from the palmar aspect of the third metacarpal.
It is inserted into the medial side of the base of the proximal phalanx of the thumb.

Q.7

Anterior choroidal artery is a branch of?

A. Internal carotid artery

B. Anterior communicating artery

C. Posterior cerebral artery

D. Anterior cerebral artery

Explanation :

Anterior choroidal artery arises from the internal carotid artery.
Anterior cerebral artery is a branch of internal carotid artery.
Posterior cerebral artery is a branch of vertebral artery.
Anterior communicating artery is a branch of anterior cerebral artery.

Q.8

Which of the following statements regarding injury to common peroneal nerve is false?

A. Results from injury to neck of fibula

B. Loss of dorsiflexion of toes

C. It causes foot drop

D. Anaesthesia of sole of foot

Explanation :

FEATURES OF COMMON PERONEAL NERVE INJURY

Foot drop (due to paralysis of dorsiflexors of ankle)
Inability to dorsiflex toes (paralysis of extensor hallucis longus, extensor digitorum longus and extensor digitorum brevis)
Inability to evert the foot (the foot assumes an inverted attitude)
Anaesthesia of anterolateral aspect of leg.
Anaesthesia of dorsum of foot and toes with medial side of big toe.

Q.9

Which of the following is not a pneumatic bone?

A. Maxilla

B. Mandible

C. Sphenoid

D. Frontal bone

Explanation :

Pneumatic bones are those which enclose an air filled cavity
They are seen in relation to the nasal cavity (paranasal sinuses) and the middle ear
The pneumatic bones are:
- Frontal
- Sphenoid
- Ethmoid
- Maxilla
- Temporal (mastoid air cells)

Q.10

Muscles supplied by anterior division of mandibular nerve are all except?

A. Temporalis

B. Lateral pterygoid

C. Medial pterygoid

D. Masseter

Explanation :

MUSCLES SUPPLIED BY MANDIBULAR NERVE

Mandibular nerve can be divided into 3 parts – main trunk, anterior division and posterior division.
Muscles supplied by main trunk:
- Tensor veli palatini
- Tensor tympani
- Medial pterygoid
Muscles supplied by anterior division:
- Lateral pterygoid
- Temporalis
- Masseter
Muscles supplied by posterior division:
- Anterior belly of digastric
- Mylohyoid

Q.11

Not included among posterior relations of head of pancreas?

A. Common bile duct

B. First part of duodenum

C. Terminal part of renal vein

D. Right crus of diaphragm

Explanation :

First part of duodenum lies anterior to the head of pancreas.

POSTERIOR RELATIONS OF HEAD OF PANCREAS:

Aorta ( lies posterior to uncinate process )
Inferior venacava
Terminal part of right renal vein
Bile duct
Right crus of diaphragm

Q.12

Where is the urethral crest located?

A. Bulbar urethra

B. Penile urethra

C. Membranous urethra

D. Prostatic urethra

Explanation :

The posterior wall of the prostatic urethra contains a longitudinal midline ridge known as the urethral crest.

Q.13

Lymphatic drainage from the spongy urethra is towards?

A. Deep inguinal lymph nodes

B. Internal iliac lymph nodes

C. External iliac lymph nodes

D. Superficial inguinal lymph nodes

Explanation :

Lymphatic drainage of urethra

Prostatic and membranous urethra – Mainly to internal iliac lymph nodes, partly to external iliac lymph nodes
Spongy urethra – Mainly to deep inguinal lymph nodes, partly to superficial inguinal and external iliac lymph nodes

Q.14

Which is the type of joint seen in the growth plate?

A. Fibrous joint

B. Plane Joint

C. Primary cartilaginous

D. Secondary cartilaginous

Explanation :

Growth plate is a primary cartilaginous joint
They are also known as synchondrosis / hyaline cartilage joints
The bones are joined by a plate of hyaline cartilage
It does not permit any movement
Other examples: Costochondral joint, I chondro sternal joint, Spheno-occipital joint

Q.15

Which of the following gives rise to the muscular component of dorsal aorta?

A. Lateral plate mesoderm

B. Paraxial mesoderm

C. Axial mesoderm

D. Intermediate mesoderm

Explanation :

Vascular smooth muscle cells are thought to arise from splanchnic layer of paraxial mesoderm. But recent studies have shown that the aortic smooth muscle cells arise from the lateral plate mesoderm.

Q.16

Toynbee’s muscle is?

A. Tensor tympani

B. Scalenus minimus

C. Stapedius

D. Levator ani

Explanation :

Q.17

Deepest layer of scalp is:

A. Connective tissue

B. Aponeurosis (Epicranial Aponeurosis)

C. Loose areolar tissue (Danger area of scalp)

D. None of these

Explanation :

From superficial to deep, the layers of scalp are (mnemonic: SCALP)

S – Skin
C – Connective tissue (fibrofatty)
A – Aponeurosis (Epicranial Aponeurosis)
L – Loose areolar tissue (Danger area of scalp)
P – Periosteum

Q.18

Which of the following movements will not be affected by involvement of the L5 Nerve root?

A. Knee Extension

B. Knee Flexion

C. Thigh adduction

D. Toe Extension

Explanation :

Thigh adduction is performed by adductor muscles (magnus, longus, brevis) with gracilis and pectineus acting as accessory muscles. None of them are supplied by L5 nerve root.

Q.19

The Couinaud’s segmental nomenclature is based on the position of the :

A. Portal vein and biliary ducts

B. Hepatic veins and biliary ducts

C. Hepatic veins and portal vein

D. Portal vein and hepatic artery

Explanation :

Couinaud’s segmental nomenclature is based on position of hepatic veins and portal vein. It is the French system.

Q.20

Which of following is the feature of Y chromosome?

A. Metacentric

B. Submetacentric

C. Telocentric

D. Acrocentric

Explanation :

Y chromosome – Acrocentric
X chromosome – Submetacentric

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Exam Start Time :08:30:14 pm

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Number Of Questions

Q.01Q.02Q.03Q.04Q.05Q.06Q.07Q.08Q.09Q.10Q.11Q.12Q.13Q.14Q.15Q.16Q.17Q.18Q.19Q.20

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