Q: Which equation best represents the flow of information in the nervous system?

$\text{Sensory input} \rightarrow \text{CNS} \rightarrow \text{Motor output}$

Q: Which equation represents the relationship between the CNS and PNS in controlling voluntary muscle movement?

$\text{CNS} \rightarrow \text{Somatic Nervous System} \rightarrow \text{Skeletal Muscle}$

Question 1

Which type of nerve transmits sensory information from the body to the central nervous system (CNS)?

Accepted Answer

Afferent nerve

Question 2

The somatic nervous system is responsible for which of the following actions?

Accepted Answer

Typing on a computer keyboard

Question 3

Which branch of the autonomic nervous system is primarily active when the body is relaxed and digesting food?

Accepted Answer

Parasympathetic branch

Question 4

A person feels their heart rate increase and their pupils dilate after hearing a loud noise. Which branch of the autonomic nervous system is responsible for these changes?

Accepted Answer

Sympathetic branch

Question 5

Which of the following statements about the peripheral nervous system (PNS) is correct?

Accepted Answer

The PNS includes both sensory and motor nerves.

Question 6

Which equation best represents the flow of information in the nervous system?

Accepted Answer

$	ext{Sensory input} ightarrow 	ext{CNS} ightarrow 	ext{Motor output}$

Question 7

Which of the following is an example of an efferent nerve function?

Accepted Answer

Moving your hand away from a hot surface

Question 8

If a person is startled by a jump scare, which nervous system subdivision is primarily responsible for their immediate reaction?

Accepted Answer

Autonomic nervous system

Question 9

Which of the following actions is coordinated by the autonomic nervous system?

Accepted Answer

Regulating heart rate

Question 10

During a stressful event, which physiological change is most likely to occur due to sympathetic nervous system activation?

Accepted Answer

Dilated pupils

Question 11

Which of the following best describes the role of afferent nerves?

Accepted Answer

Transmit sensory information to the CNS

Question 12

A student is running to catch a bus. Which nervous system subdivision is primarily responsible for controlling their leg muscles?

Accepted Answer

Somatic nervous system

Question 13

Which branch of the autonomic nervous system is responsible for 'rest and digest' activities?

Accepted Answer

Parasympathetic branch

Question 14

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

Accepted Answer

Regulating heart rate

Question 15

If a person is digesting food after a meal, which branch of the autonomic nervous system is most active?

Accepted Answer

Parasympathetic branch

Question 16

Which of the following scenarios involves both afferent and efferent nerves working together?

Accepted Answer

Moving your hand away after touching something hot

Question 17

Which equation represents the relationship between the CNS and PNS in controlling voluntary muscle movement?

Accepted Answer

$	ext{CNS} ightarrow 	ext{Somatic Nervous System} ightarrow 	ext{Skeletal Muscle}$

Question 18

Which of the following is a function of the autonomic nervous system?

Accepted Answer

Regulating involuntary functions such as heart rate and digestion

Question 19

Which branch of the autonomic nervous system would be most active if a person is laying down on the couch to relax after a stressful day?

Accepted Answer

Parasympathetic branch

Question 20

Which of the following best describes the difference between the somatic and autonomic nervous systems?

Accepted Answer

The somatic nervous system controls voluntary muscle movement, while the autonomic nervous system regulates involuntary functions.

Peripheral Nervous System: Structure, Function, and Subdivisions

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