Download Nervous system Materials Chapter 6 (1)

G9 Advanced Biology
Chapter 6 Revision Sheet
G9 Advanced
Multiple Choice Questions.
Q1.
What is occurring in the diagram above?
a.
b.
c.
d.
K+ ions are entering the neuron
Negatively charged proteins are leaving the neurons.
Na+ ions are entering the neuron.
The myelin code has broken down, allowing ions to freely cross the plasma membrane .
Q2.
What is the correct path that a nerve impulse will follow in a reflex arc?
a.
b.
c.
d.
Motor neuron → interneuron → sensory neuron
Interneuron → Motor neuron →sensory neuron
Motor neuron → sensory neuron → interneuron
Sensory neuron → interneuron → motor neuron
Q3.
Which of the following is a characteristic of the sympathetic division found in the autonomic system?
a.
b.
c.
d.
stimulates digestion
dilates the bronchi
slows the heart rate
converts glucose to glycogen
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Q4.
If the portion indicated by the arrow was damaged as a result of trauma, what effect would this person
most likely experience?
a.
b.
c.
d.
partial or complete memory loss
body temperature fluctuations
trouble maintaining balance
rapid breathing
Q5.
Which nervous system is the hypothalamus most involved in regulating?
a.
b.
c.
d.
voluntary
peripheral
sensory
autonomic
Q6.
If there was a power outage in a cinema and only a few dim emergency lights were lit, which
cells of the retina would be most important for seeing your way to the exit.
a.
b.
c.
d.
rods
cones
rods and cones are equally important
night vision cells
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Q7.
Which represents the correct sequence as sound waves travel in the ear to trigger an impulse?
a.
b.
c.
d.
cochlea, incus, stapes, eardrum
tympanum, bones in the middle ear, cochlea, hair cells
auditory canal, tympanum, hair cells, cochlea
hair cells, auditory canal, cochlea, malleus
Q8.
Which of the following senses is associated with free nerve endings?
a.
b.
c.
d.
taste
hearing
touch
sigh
Q9.
Some rides at amusement parks cause a person to become dizzy when the ride stops. Which structure
in the diagram is most likely involved with the dizzy feeling?
a.
b.
c.
d.
A
B
C
D
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Q10. ___________ conduct electrical impulses that allow cells, tissues, and organs to detect and respond to
stimuli.
a.
b.
c.
d.
axon
neurons
dendrite
cell body
Q11. What are the two major divisions of the nervous system?
a.
b.
c.
d.
somatic nervous system and autonomic nervous system
sympathetic nervous system and parasympathetic nervous system
central nervous system and peripheral nervous system
anxious system and somatic nervous system
Q12. Which receptors allow you to detect the world around you?
a.
b.
c.
d.
cochlea
malleus
visionary
sensory
Which of the following is the organ that transmits information to the brain about body position and balance?
Q13.
a.
b.
c.
d.
auditory receptors
cochlea
semicircular canals
malleus
Q14. Which neurotransmitter is found in the brain that is involved with the control of body?
a.
b.
c.
d.
stimulant
nicotine
adenosine
dopamine
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Q15. Which of the following is a depressant?
a.
b.
c.
d.
water
tea
alcohol
orange juice
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Constructed Response Questions.
Q1
a.
For each set of terms below, choose the one term that does not belong and explain why it does
not belong.
1. axon, dendrite, reflex arc
2. cell body, synapse, neurotransmitter
3. myelin, node, threshold
b.
Hypothesize why it takes more energy for a nerve impulse to travel along an axon that lacks
myelin as opposed to an axon that has myelin.
c.
Explain the following analogy: A neuron is like a one-way street, while a nerve is like a two-way
street.
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Q2
a.
What does it mean when someone is addicted to a drug?
b.
Discuss what consequences might arise if a person’s gene for the production of dopamine is
defective.
c.
Form a conclusion about the following statement: “It is more difficult for someone to get
addicted to drugs than it is to stop using drugs.” Explain.
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