Terminology

Which of the following is the core part of a word that often refers to a body part?

• Prefix
• Word root
• Suffix
• Combining form

Answer explanation

Word roots often refer to body parts, forming the core of medical terms.

What does 'neur/o' represent?

• Nerve
• Muscle
• Skin
• Bone

Answer explanation

The prefix 'neur/o' refers to nerves.

The central nervous system (CNS) consists of which of the following?

• Brain
• Spinal cord
• Peripheral nerves
• Heart

Answer explanation

The CNS includes the brain and spinal cord.

What does the cerebellum control?

• Vision
• Coordination
• Balance
• Memory

Answer explanation

The cerebellum is responsible for coordination and balance.

What is the primary function of the autonomic nervous system?

• Voluntary muscle movements
• Involuntary body functions
• Sensory input
• Memory storage

Answer explanation

The autonomic nervous system controls involuntary functions such as heart rate and digestion.

Which nervous system division prepares the body for 'fight or flight'?

• Sympathetic
• Parasympathetic
• Central nervous system
• Somatic nervous system

Answer explanation

The sympathetic nervous system activates during stress or emergencies.

The brainstem regulates which vital functions?

• Heart rate
• Digestion
• Blood pressure
• Respiration

Answer explanation

The brainstem controls heart rate, blood pressure, and respiration.

What is the function of the myelin sheath?

• Protect neurons
• Speed up electrical impulse transmission
• Store neurotransmitters
• Regulate heart rate

Answer explanation

The myelin sheath insulates neurons and accelerates impulse conduction.

Which of the following diseases involves attacks on the myelin sheath?

• Alzheimer's disease
• Multiple sclerosis
• Parkinson's disease
• ALS

Answer explanation

Multiple sclerosis damages the myelin sheath.

Which cells are considered the basic units of the nervous system?

• Synapse
• Neuron
• Myelin
• Glial cells

Answer explanation

Neurons are the basic functional units of the nervous system.