Q: Which of the following equations best represents the relationship between the CNS, PNS, and the body?

$$CNS + PNS = \text{Complete Nervous System}$$

Question 1

Which of the following best describes the main function of the nervous system?

Accepted Answer

To transmit signals between different parts of the body using neurons

Question 2

Which of the following is NOT a component of the central nervous system (CNS)?

Accepted Answer

Ganglia

Question 3

The peripheral nervous system (PNS) is responsible for which of the following?

Accepted Answer

Connecting the CNS to the rest of the body

Question 4

Which subdivision of the peripheral nervous system is responsible for voluntary control of skeletal muscles?

Accepted Answer

Somatic nervous system

Question 5

A person is startled by a loud noise and their heart rate increases rapidly. Which division of the nervous system is primarily responsible for this response?

Accepted Answer

Sympathetic nervous system

Question 6

Which of the following best describes the role of the parasympathetic nervous system?

Accepted Answer

Returns the body to routine, day-to-day operations

Question 7

Which of the following is a correct pairing of neuron type and function?

Accepted Answer

Motor neurons: Carry instructions from the CNS to muscles

Question 8

Which of the following diseases is characterized by the death of dopamine-producing neurons in the brain, leading to difficulty initiating movement?

Accepted Answer

Parkinson's disease

Question 9

A patient is diagnosed with a condition where unusual proteins build up in the neocortex and hippocampus, resulting in memory loss. Which disease is this most likely to be?

Accepted Answer

Alzheimer's disease

Question 10

Which of the following is a genetic disorder that leads to degeneration of nerve cells in the brain due to overproduction of glutamate?

Accepted Answer

Huntington's disease

Question 11

Which of the following best explains why a spinal cord injury can result in loss of muscle control below the site of injury?

Accepted Answer

Neurons lose their connection to axons below the injury, disrupting communication

Question 12

Which of the following is NOT a function of the autonomic nervous system?

Accepted Answer

Voluntary movement of limbs

Question 13

Which of the following is an example of a structural problem in the nervous system?

Accepted Answer

Spinal bifida

Question 14

Which of the following best describes the complementary function of the sympathetic and parasympathetic nervous systems?

Accepted Answer

They operate in tandem to maintain the body's homeostasis

Question 15

A person is able to move their arms and legs deliberately and feel sensations such as touch and pain. Which division of the nervous system is primarily responsible for these functions?

Accepted Answer

Somatic nervous system

Question 16

Which of the following is a possible consequence of a brain tumor?

Accepted Answer

Disruption of voluntary movement

Question 17

Which of the following best describes the role of sensory neurons?

Accepted Answer

Carry sensory information to the CNS

Question 18

Which of the following is most likely to occur if neurons in the hippocampus die?

Accepted Answer

Loss of memory and difficulty performing everyday tasks

Question 19

Which of the following is an example of an infection that can affect the nervous system?

Accepted Answer

Meningitis

Question 20

Which of the following equations best represents the relationship between the CNS, PNS, and the body?

Accepted Answer

$$CNS + PNS = 	ext{Complete Nervous System}$$

The Nervous System: Structure, Function, and Disorders

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