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Human Brain Anatomy Quiz

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Questions and Answers

What is the primary function of the cerebrum related to skilled movements?

Co-ordination and planning of movements (correct)

Processing sensory information

Controlling basic life functions

Regulating emotions

How many halves is the cerebrum divided into?

One

Three

Four

Two (correct)

Which statement is true regarding the size of the cerebrum in the human brain?

It is a secondary structure to the brainstem.

It is the smallest portion of the brain.

It is the largest portion of the brain. (correct)

It comprises less than half of the brain's mass.

Which part of the cerebrum controls voluntary movement and coordination?

The left hemisphere Signup and view all the answers

What type of tasks does the cerebrum primarily facilitate?

Cognitive functions and complex movements Signup and view all the answers

What are the three main parts of the brain stem?

Midbrain, Pons, Medulla Signup and view all the answers

What is one of the primary functions of the brain stem?

Originates the majority of cranial nerves Signup and view all the answers

How is the brain stem connected to the central nervous system?

It is continuous with the spinal cord. Signup and view all the answers

Which of these statements is NOT true about the brain stem?

It is responsible for balance and coordination. Signup and view all the answers

Which cranial nerves originate from the brain stem?

Majority of cranial nerves originate from the brain stem. Signup and view all the answers

Study Notes

Brain Stem

The brain stem connects directly to the spinal cord.
Majority of the cranial nerves originate from the brain stem.
The brain stem is responsible for the coordination and planning of skilled movements, such as dancing.

Cerebrum

The cerebrum is the largest part of the human brain.
The cerebrum is divided into two hemispheres: the right and left cerebral hemispheres.
The white appearance of the cerebrum is due to the myelin sheath.

Cerebrum: Hemispheres

Each hemisphere of the cerebrum is further divided into lobes.
The frontal lobe controls the trunk, arms, and lower limbs, but these areas have less representation than their size suggests because they do not perform complex movements.

Primary Motor Cortex

Damage to the right motor cortex will cause paralysis on the left side of the body.
Not all body parts are represented equally in the primary motor cortex.
Areas that perform more fine motor movements, such as the fingers, face, and tongue, have a greater representation in the motor cortex.

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Description

Test your knowledge on the human brain's structure and functions. This quiz covers key components like the brain stem, cerebrum, and primary motor cortex. Understand how different parts of the brain coordinate movements and bodily functions.