NEET PG DENTAL EXAM

BRAIN

CRANIAL NERVES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is not considered to be part of the brain stem?
A
Pons
B
Medulla Oblongata
C
Thalamus
D
Midbrain
Explanation: 

Detailed explanation-1: -Apart from the other options, the cerebrum is the part of the forebrain and not the part of the brain stem.

Detailed explanation-2: -The thalamus lies at the top of the brain stem near the center of the brain, from where nerve fibers project out towards the cerebral cortex. The thalamus is divided into two prominent bulb-shaped masses of around 5.7 cm in length and positioned symmetrically on each side of the third ventricle.

Detailed explanation-3: -It is composed of three sections in descending order: the midbrain, pons, and medulla oblongata. It is responsible for many vital functions of life, such as breathing, consciousness, blood pressure, heart rate, and sleep. The brainstem contains many critical collections of white and grey matter.

Detailed explanation-4: -The Correct Answer is Option 1 i.e Tectum. Medulla oblongata, Pons, and Cerebellum belong to the part of the hindbrain whereas tectum belongs to the part of the midbrain.

There is 1 question to complete.