Revision questions - nervous system Flashcards

1
Q

Which of the following is not a function of the nervous system?

  1. Mediates extrinsic control of the body
  2. Contributes to homeostasis
  3. Controls the fight or flight response
  4. Enables appropriate responses to internal or external change
A

c. Controls the fight or flight response

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2
Q
  1. Which of the following is not a type of muscle?
    1. Voluntary
    2. Cardiac
    3. Visceral
    4. Smooth
A

c. visceral

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3
Q
  1. What is the proper name for a nerve cell?
    1. Neurone
    2. Dendrites
    3. Axons
A

a. neurone

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4
Q
  1. What are the components of the nervous system?
    1. Brain, spinal cord and vertebral column
    2. Dendrite, axon and cell body
    3. Sensory and motor
    4. Cortex, medulla and sheath
    5. Sympathetic and parasympathetic
A

a. Brain, spinal cord and vertebral column

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5
Q
  1. Which of the following are characteristic of the sympathetic system?
    1. Inhibits the digestive tract
    2. Dilates the bronchi
    3. Accelerates the heartbeat
    4. All of the above
A

d. all of the above

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6
Q
  1. Which of the following are parts of neurones?
    1. Brain, spinal cord and vertebral column
    2. Dendrite, axon, axon termainals and cell body
    3. Actin, myosin, troponin, tropomyosin
    4. Cortex, medulla and sheath
    5. Axon terminal, nucleus, dendrite, axon potential
A

b. Dendrite, axon, axon termainals and cell body

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7
Q
  1. The Central Nervous System is made up of which components?
    1. Cerebellum and medulla oblongata
    2. Brain and spinal cord
    3. Cranial nerves and spinal nerves
    4. Afferent nerves and peripheral nerves
A

b. Brain and spinal cord

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8
Q
  1. What is the name of the initial segment in a nerve cell where electrical signals are generated?
    1. Axon pillock
    2. Axon hillock
    3. Axon terminal
    4. Axon dendrite
A

b. axon hillock

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9
Q
  1. A dendrite conducts nerve impulses _______ the cell body?
    1. Away from
    2. Toward
    3. Both toward and away from
    4. Around, bypassing
    5. Only inside
A

b. Toward

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10
Q
  1. An axon conducts nerve impulses _______ the cell body?
    1. Away from
    2. Toward
    3. Both toward and away from
    4. Around, bypassing
    5. Only inside
A

a. Away from

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11
Q
  1. What is the name of the electrical signal created in a nerve cell?
    1. Action potential
    2. Neurone potential
    3. Axon terminal
    4. Axon flux
A

a. action potential

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12
Q
  1. Another name for axon terminals are:
    1. Synaptic cleft
    2. Synaptic knob
    3. Synaptic gap
    4. Synaptic junction
A

b. Synaptic knob

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13
Q
  1. Which of the following is/are type(s) of neurons?
    1. Sensory
    2. Motor
    3. Interneurons
    4. All of the above
A

d. All of the above

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14
Q
  1. Which of the following functions does a neurone perform?
    1. Computation
    2. Conduction
    3. Communication
    4. All of the above
A

d. all of the above

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15
Q
  1. What are the connections called between neurones?
    1. Synapses
    2. Synonyms
    3. Synovite
    4. Septum
A

a. synapses

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16
Q
  1. How quickly do sensory nerve cells transmit pulses?
    1. 1 m/s
    2. 3 m/s
    3. 70 m/s
    4. 200 m/s
A

c. 70 m/s

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17
Q
  1. How quickly do pain nerve cells transmit pulses?
    1. 1 m/s
    2. 3 m/s
    3. 70 m/s
    4. 200 m/s
A

b. 3 m/s

18
Q
  1. Neurones often have many long dendrites and a short axon.
    1. True
    2. False
A

b. false

19
Q
  1. When following a nerve impulse, signals are sent from one nerve cell to another, what are the names of the cells before and after a synapse?
    1. Presynaptic and postsynaptic
    2. Sensory and motor
    3. Postsynaptic and presynaptic
    4. Integrative and communicative
A

a. presynaptic and postsynaptic

20
Q
  1. What is the name of the difference in electrical potential (voltage) between the outside and inside of a cell?
    1. Resting membrane voltage
    2. Resting membrane potential
    3. Active potential
    4. Transmitting potential
A

b. resting membrane potential

21
Q

What is the resting electrical potential between the inside compared to outside of a cell?

  1. -1 mV
  2. 1 mV
  3. 70 mV
  4. -70mV
A

d. -70mV

22
Q
  1. The resting potential indicates that the inside of the neuron is _______ compared to the outside?
    1. Under ionic pressure
    2. Positive
    3. Negative
    4. Inactive
A

c. Negative

23
Q
  1. The nerve membrane allows ions to flow through. What is this ability called?
    1. Osmosis
    2. Selective permeability
    3. Impermeability
    4. Infusion
A

b. selective permeability

24
Q
  1. vWhich two ions produce the at rest difference in voltage in a nerve cells?
    1. Sodium and potassium
    2. Chloride and sodium
    3. Potassium and chloride
    4. Calcium and potassium
A
  1. Sodium and potassium
25
Q
  1. In humans, transmission of nerve impulses across a synaptic cleft is carried out by ?
    1. Sodium ions
    2. Potassium ions
    3. Neurotransmitter molecules
    4. The nodes of Ranvier
A

c. Neurotransmitter molecules

26
Q

What is the name of the short lived change in membrane potential?

  1. Acton potential
  2. Action potential
  3. Inactive potential
  4. Nerve potential
A

b. action potential

27
Q

When an action potential reaches the end of the synaptic terminal it releases a from a .

  1. Hormone, mitochondrion
  2. Neurotransmitter, receptor protein
  3. Neurotransmitter, synaptic vescicle
  4. Hormone, synaptic vescicle
A

c. Neurotransmitter, synaptic vescicle

28
Q

The relationship between presynaptic and postsynaptic nerves is usually: (slide 21)

  1. 1:1
  2. 1:Many
  3. Many:1
  4. Many:Many
A

c. Many:1

29
Q

Which of the following is not a chemical neurotransmitter?

  1. Acetylcholine
  2. Noradrenaline
  3. Glutamate
  4. Leucine
A

d. Leucine

30
Q

The peripheral nervous system is made up of:

  1. Somatic and Autonomic divisions
  2. Axiomatic and Automatic divisions
  3. Somatic and Autonomous divisions
  4. Afferent and Somatic divisions
A

a. Somatic and Autonomic divisions

31
Q

Which division of the peripheral nervous system controls skeletal (voluntary) muscles?

  1. Somatic division
  2. Autonomic division
  3. Sympathetic division
  4. Parasympathetic division
A

a. Somatic division

32
Q

Which are the following are functional classes of neurones? (slide 27)

  1. Afferent
  2. Efferent
  3. Interneurone
  4. All of the above
A

d. all of the above

33
Q
  1. The CNS is made up of:
    1. Brain, spinal cord and interneurons in the CNS
    2. Brain, spinal cord and vertebral column
    3. Brain, spinal cord
    4. Brain only
A
  1. Brain, spinal cord and interneurons in the CNS
34
Q
  1. Where are interneurons found:
    1. The spinal cord
    2. The muscles
    3. The liver
    4. The afferent system
A
  1. The spinal cord
35
Q
  1. The special senses are:
    1. Vision, hearing, balance, smell
    2. Vision, hearing, balance, taste, smell
    3. Vision, balance, taste, smell
    4. Vision, hearing, balance, taste
A

b. Vision, hearing, balance, taste, smell

36
Q
  1. Which of the following is/are a somatic sense?
    1. Touch
    2. Temperature
    3. Pain
    4. All of the above
A

d. All of the above

37
Q
  1. Myelinated sheaths:
    1. Contain myosin
    2. Slows down the path of action potential along the axon compared to unmyelinated neurones
    3. Are produced by Schwinn cells
    4. Allow faster propagation of action potential along the axon compared to unmyelinated neurones
A

d. Allow faster propagation of action potential along the axon compared to unmyelinated neurones

38
Q
  1. A ganglion, a nerve cell cluster:
    1. Appears in the central nervous system
    2. Has a preganglionic neurone (connects to effector)
    3. Connects preganglionic and postganglionic fibers
    4. Has a postganglionic neurone (leading from the CNS)
A

c. Connects preganglionic and postganglionic fibers

39
Q
  1. Schwann cells produce layers of membrane containing myelin which provide nutrition for the dendrites.
    1. True
    2. False
A

b. False

40
Q

The parasympathetic nervous system stimulates the ‘fight or flight’ response .

  1. True
  2. False
A

b. False

41
Q

Innervation of muscles means that:

  1. Muscles are stimulated to action
  2. Muscles are under active control
  3. Muscles are supplied by efferent neurones
  4. Muscles get bigger when contracted
A
  1. Muscles are stimulated to action
42
Q
  1. Motor units contain:
    1. 1 motor neurone and 1 muscle fibre
    2. 1 motor neurone and many muscle fibres
    3. Many motor neurones and many muscle fibres
    4. Muscle fibres only
A

b. 1 motor neurone and many muscle fibres