Nervous System and Injury Quiz

What is the primary role of efferent nerves in the nervous system?

• To transmit sensory information to the brain

• To carry motor commands from the brain to muscles

• To process information within the spinal cord

• To regulate autonomic functions

How many cranial nerves are there in the human body?

• 10

• 12

• 14

• 16

How many pairs of spinal nerves are present in the human body?

• 21

• 31

• 41

• 51

Which of the following best describes afferent nerves?

• They carry signals from the brain to the muscles

• They transmit sensory information to the central nervous system

• They are involved in reflex actions

• They regulate involuntary functions

What is the main difference between the sympathetic and parasympathetic nervous systems?

• Sympathetic is active during rest, parasympathetic during stress

• Sympathetic is active during stress, parasympathetic during rest

• Both are active during stress

• Both are active during rest

What is a complete spinal cord injury?

• Partial loss of sensory and motor function below the injury site

• Total loss of sensory and motor function below the injury site

• Loss of motor function only

• Loss of sensory function only

What is an incomplete spinal cord injury?

• Total loss of sensory and motor function below the injury site

• Partial loss of sensory and motor function below the injury site

• Loss of motor function only

• Loss of sensory function only

Which of the following is a common effect of paraplegia?

• Loss of function in all four limbs

• Loss of function in the lower half of the body

• Loss of function in the upper body only

• Loss of function in one limb

What is quadriplegia?

• Loss of function in the lower half of the body

• Loss of function in all four limbs

• Loss of function in one limb

• Loss of function in the upper body only

Which system is responsible for the "fight or flight" response?

• Central nervous system

• Sympathetic nervous system

• Parasympathetic nervous system

• Somatic nervous system