The Nervous System-Standard Bio 2.6- D Answers

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The diagram shows a nerve cell.

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Which is an example of when Hector's somatic sensory system is in control?

A
After a long run, his body is sweating.
B
When jogging, he sees an ice patch and decides to change directions to a different route.
C
His eyes dilate because he sees something scary.
D
He eats a large meal and his body takes multiple hours to digest it.
3

Which is a function of the central nervous system?

A
pumping blood through the body
B
controlling coordination in the body
C
fighting bacteria that enter the body
D
breaking down carbohydrates in the body
4

Which is an example of how the peripheral nervous system helps the body maintain its internal environment?

A
Muscles produce keratin so that hair can grow stronger.
B
Sweat glands break down the food that is consumed.
C
Muscles contract rapidly to produce heat on a cold day.
D
The brain recalls information to help take a test.
5

Which structure(s) are connected to the peripheral nervous system? Select all that apply.

A
a vertebral column
B
a sense organ
C
a muscle
D
a gland
E
a bone
6

What happens to the body when motor neurons are injured?

A
It releases more neurotransmitters.
B
It loses muscle movement.
C
It experiences increased stimuli.
D
It shows a decrease in inflammation.
7

Which statements describe the synapse? Select all that apply.

A
It carries neurotransmitters from one neuron to the next cell.
B
It is part of the neuron.
C
It ensures that information travels in one direction only.
D
It carries information through chemical impulses to the cell body.
E
It is the gap between neurons.
F
It ensures that information travels in multiple directions.
8

When Gretchen starts being chased by a dog, her brain sends a signal to her muscles to run. Which neurons are at work?

A
sensory neurons
B
motor neurons
C
voluntary neurons
D
involuntary neurons
9

Examine the words.impulse, presynaptic cell, neurotransmitters, receptors, postsynaptic cellWhat idea can be described using all the words listed?

A
the difference between the somatic and autonomic nervous systems
B
the transfer of information from one neuron to another
C
the difference between the central and peripheral nervous systems
D
the flow of information within a neuron
10

Which structure is at work when the body deals with reflex actions?

A
the heart
B
the brain stem
C
the vertebral column
D
the spinal cord
11

The sympathetic and parasympathetic nervous systems are both part of which division of the nervous system?

A
the central nervous system
B
the peripheral nervous system
C
the somatic nervous system
D
the autonomic nervous system
12

When Brian touches a hot object, which body structures help him react appropriately to protect himself?

A
the sensory neurons, the brain, and the motor neurons
B
the sensory neurons, the vertebral column, and the brain
C
the sensory neurons, the interneurons, and the motor neurons
D
the vertebral column, the interneurons, and the motor neurons
13

Which is a function performed by the central nervous system (CNS)? Select all that apply.

A
processing information that is received from the stimuli receptors
B
receiving stimuli and making the body react to those stimuli
C
sending out information so that the body can react appropriately to stimuli
D
coordinating reflexes and reactions to stimuli
E
sensing stimuli and causing reactions in the body

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