NEET PG DENTAL EXAM

HEAD NECK

CRANIAL CAVITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The cavity that includes both the cranial and spinal cavities is called the ____
A
ventral cavity
B
spinal cavity
C
dorsal cavity
D
posterior cavity
Explanation: 

Detailed explanation-1: -The dorsal body cavity includes the cranial cavity, enclosed by the skull and contains the brain, and the spinal cavity, enclosed by the spine, and contains the spinal cord. The ventral body cavity includes the thoracic cavity, enclosed by the ribcage and contains the lungs and heart; and the abdominopelvic cavity.

Detailed explanation-2: -The dorsal cavity, or dorsal body cavity, is a fluid filled space which surrounds the brain and spinal cord of vertebrates. The dorsal cavity is usually considered as two semi-separate spaces, the cranial cavity and the spinal cavity, housing the brain and spinal cord, respectively.

Detailed explanation-3: -The dorsal body cavity contains the central nervous system. It consists of two parts: The Cranial Cavity (Cranium) is formed from skull bones and houses and protects the brain. The Spinal Cavity (Spinal Canal) is formed from the vertebrae of the spine, and houses and protects the spinal cord.

There is 1 question to complete.