MBBS Anatomy 2

Question 1

The blood supply to the head of the femur in adults comes primarily from which artery?

Accepted Answer

Medial circumflex femoral artery

Answer

The medial circumflex femoral artery provides the primary blood supply to the femoral head in adults, which is why femoral neck fractures can lead to avascular necrosis.

Question 2

Which muscle is responsible for depression of the mandible against resistance?

Accepted Answer

Digastric

Answer

The digastric muscle, along with the mylohyoid and geniohyoid, depresses the mandible and opens the mouth against resistance.

Question 3

The McBurney's point, used to locate appendiceal tenderness, is located at what anatomical position?

Accepted Answer

1/3 of the way from the right ASIS to the umbilicus

Answer

McBurney's point is located one-third of the distance from the right anterior superior iliac spine (ASIS) to the umbilicus.

Question 4

Which chamber of the heart forms the majority of the anterior surface?

Accepted Answer

Right ventricle

Answer

The right ventricle forms the majority of the anterior (sternocostal) surface of the heart.

Question 5

The saphenous nerve is a branch of which nerve?

Accepted Answer

Femoral nerve

Answer

The saphenous nerve is the longest branch of the femoral nerve and supplies sensation to the medial leg and foot.

MBBS - Bachelor of Medicine and Bachelor of Surgery Practice Test

MBBS - Bachelor of Medicine and Bachelor of Surgery Practice Test

MBBS Anatomy 2