Clinically Significant Anatomical Variations Practice Questions

Question 1

A child is being assessed for possible intussusception; which of the following would be LEAST likely to provide valuable information?

Accepted Answer

Family history

Answer

Pain pattern

Answer

Abdominal palpation

Answer

Stool inspection

Question 2

What is the diagnosis based on the image shown?

Accepted Answer

Umbilical fistula

Answer

Ileal diverticulum

Answer

Urachal cyst

Answer

Omphalocele

Question 3

Unilateral renal agenesis is associated with:

Accepted Answer

Single umbilical artery

Answer

Hiatus Hernia

Answer

Hypogonadism

Answer

Polycystic disease of pancreas

Question 4

Which of the following statements about the brachial plexus is true?

Accepted Answer

Formed by spinal nerves C5-C8 and T1

Answer

The radial nerve arises from the medial cord of the brachial plexus.

Answer

Injury to the brachial plexus may occur during shoulder dystocia, often affecting the lower trunk.

Answer

The lower trunk is a common site of injury in brachial plexus trauma.

Question 5

Match the following: A) Caplan syndrome- 1) Found first in coal worker B) Asbestosis- 2) Upper lobe predominance C) Mesothelioma- 3) Involves lower lobe D) Sarcoidosis- 4) Pleural effusion is seen

Accepted Answer

A-1, B-4, C-3, D-2

Answer

A-3, B-4, C-2, D-1

Answer

A-4, B-2, C-3, D-1

Answer

A-2, B-4, C-3, D-1

Question 6

Which of the following represents a common variation in the arteries arising from the arch of the aorta?

Accepted Answer

Left common carotid artery arising from brachiocephalic trunk

Answer

Absence of brachiocephalic trunk

Answer

Left vertebral artery arising from the arch

Answer

Presence of retroesophageal subclavian artery

Question 7

Which testis is typically positioned higher?

Accepted Answer

Right testis

Answer

It varies between individuals

Answer

Left testis

Answer

Both are at the same level

Question 8

The following arrow marked vessel can cause torrential hemorrhage during cholecystectomy. Which of the following is the correct description?

Accepted Answer

Moynihan's caterpillar hump due to bend of right hepatic artery

Answer

Moynihan's caterpillar hump due to bend of left hepatic artery

Answer

Moynihan's caterpillar hump due to bend of cystic artery

Answer

Moynihan's caterpillar hump due to bend of common hepatic artery

Question 9

The image shows a highlighted region on the dorsal aspect of the hand (anatomical snuffbox). Which of the following anatomical structures form the boundaries or floor of this region?

Accepted Answer

All of the above anatomical structures.

Answer

Abductor pollicis longus muscle.

Answer

Styloid process of the radius.

Answer

Extensor pollicis longus muscle.

Question 10

Which of the following is an atavistic epiphysis?

Accepted Answer

Coracoid process

Answer

Condyles of femur

Answer

Lower end of radius

Answer

Tubercle of humerus

Clinically Significant Anatomical Variations — MCQs

Clinically Significant Anatomical Variations — MCQs

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