Neurology | MCQs

Explanation

The Central Nervous System (CNS) comprises the:

These two structures are the core of the nervous system, 

• The brain controls how we think, learn, move, and feel.
• The spinal cord carries messages back and forth between the brain and the nerves that run throughout the body..

Explanation

Tetanus is a bacterial infection that can cause muscle stiffness and spasms.

It particularly in the jaw muscles, leading to the characteristic symptom of "lockjaw".

Explanation

• The nervous system is the body system that controls and coordinates the functions of all other organ systems.
• It allowing for integration and regulation of various bodily functions.
• It consists of the brain, spinal cord, nerves, and sensory organs.

Explanation

Sedatives are drugs that slow down normal brain functioning, leading to a calming or tranquilizing effect.

They can reduce anxiety, stress, and even induce sleep.

Examples of sedatives include benzodiazepines (e.g., Xanax, Valium), barbiturates, and certain antidepressants.

Explanation

The skin is sensitive to:

• Temperature (hot and cold)
• Touch (light and heavy pressure)
• Pressure (firm and gentle)
• Pain (sharp and dull)

Explanation

• Most headaches are caused by irritation or inflammation of the nerves in the head and neck, rather than the brain itself.
• This can be due to various factors such as tension, stress, or medical conditions.

Explanation

• The adult human brain weighs about 3 pounds (1,300-1,400 g).
• The adult human brain is about 2% of the total body weight.
• The average human brain is 140 mm wide.
• The average human brain is 167 mm long.