Biology II Module 7 Flashcards

1
Q

Nerves that originate from the spinal cord.
A. Spinal nerves
B. Muscles
C. Blood Vessels
D. Brain cells

A

A. Spinal nerves

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2
Q

Insulates PNS neurons.
A. Microglia
B. Astrocytes
C. Schwann cells
D. Oligodendrocytes

A

C. Schwann cells

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3
Q

PNS neurons that transmit action potentials from the CNS to smooth muscles, cardiac muscles, and glands.
A. Endocrine System
B. Autonomic Nervous System (ANS)
C. Somatic Nervous System (SNS)
D. Central Nervous System (CNS)

A

B. Autonomic Nervous System (ANS)

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4
Q

What is composed of all the parts of the nervous system that are not the central nervous system?
A. Autonomic Nervous System
B. Peripheral Nervous System
C. Endocrine System
D. Sensory Nervous System

A

B. Peripheral Nervous System

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5
Q

Division of the ANS that generally prepares the body for increased energy expenditure.
A. Sympathetic division
B. Central Nervous System
C. Autonomic nervous system
D. Parasympathetic division

A

A. Sympathetic division

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6
Q

PNS neurons that transmit action potentials from the CNS to skeletal muscles.
A. Parasympathetic Nervous System
B. Sensory Nervous System
C. Somatic Motor Nervous System
D. Autonomic Motor Nervous System

A

C. Somatic Motor Nervous System

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7
Q

An axon is covered by several Schwann cells. If it is severed, will it definitely heal?
A. Yes, as long as it is still alive, and is lined up with the other end of the axon
B. Yes, but it will take a long time
C. No, it will not heal
D. Maybe, depending on the severity of the injury

A

A. Yes, as long as it is still alive, and is lined up with the other end of the axon

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8
Q

These form the blood-brain barrier.
A. Glial cells
B. Endothelial cells
C. Neurons
D. Astrocyte

A

D. Astrocyte

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9
Q

A neuron that conducts action potentials from one neuron to another within the CNS.
A. Motor neuron
B. Sensory neuron
C. Interneuron
D. Association neuron

A

D. Association neuron

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10
Q

Nerves that originate from the brain.
A. Ligaments
B. Blood vessels
C. Cranial nerves
D. Muscles

A

C. Cranial nerves

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11
Q

An axon has a myelin sheath produced by Schwann cells. Where is this located?
A. PNS
B. Spinal cord
C. CNS
D. Blood vessels

A

A. PNS

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12
Q

When you flex your forearm, which division of the PNS is being used?
A. Autonomic Division
B. Sensory Division
C. Efferent Division
D. Somatic Division

A

C. Efferent Division

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13
Q

Division of ANS that regulates resting and nutrition-related functions such as digestion, defecation, and urination.
A. Central nervous system
B. Parasympathetic division
C. Autonomic nervous system
D. Sympathetic division

A

B. Parasympathetic division

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14
Q

These fight infection with phagocytosis.
A. Bacteria
B. Neurons
C. Macrophages
D. Microglia

A

D. Microglia

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15
Q

What binds together and insulates CNS neurons?
A. Oligodendrocyte
B. Astrocyte
C. Neuromuscular junction
D. Schwann cell

A

A. Oligodendrocyte

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16
Q

What would be the most specific way to describe the part of the PNS that is being used when you flex your forearm?
A. Sympathetic Nervous System
B. Central Nervous System
C. Autonomic Nervous System
D. Somatic Motor Nervous System

A

D. Somatic Motor Nervous System

17
Q

Neurons that transmit action potentials from the sensory organs to the CNS.
A. Interneurons
B. Afferent neurons
C. Glial cells
D. Motor neurons

A

B. Afferent neurons

18
Q

Ciliated cells move cerebrospinal fluid, while non-ciliated secrete cerebrospinal fluid.
A. Oligodendrocytes
B. Astrocytes
C. Ependymal cells
D. Neurons

A

C. Ependymal cells

19
Q

Bundles of neuron axons and their coverings, which are found outside the CNS.
A. Muscles
B. Synapses
C. Tendons
D. Nerves

A

D. Nerves

20
Q

What is composed of the brain and spinal cord?
A. Endocrine System
B. Peripheral Nervous System
C. Central Nervous System
D. Autonomic Nervous System

A

C. Central Nervous System

21
Q

The ability to undergo an action potential in response to stimulus.
A. Excitability
B. Sensitivity
C. Reactivity
D. Responsiveness

A

A. Excitability

22
Q

What are the three structural classifications of neurons?
A. Monopolar, Bipolar, and Trigeminal
B. Unipolar, Bipolar, and Multipolar
C. Unilateral, Bilateral, and Multifocal
D. Unitary, Bicuspid, and Multifarious

A

B. Unipolar, Bipolar, and Multipolar

23
Q

Collections of neuron cell bodies that are found outside the CNS.
A. Synapse
B. Ganglia
C. Nerves
D. Axons

A

B. Ganglia

24
Q

Neurons that transmit action potentials from the CNS to effector organs.
A. Interneurons
B. Sensory neurons
C. Motor neurons
D. Efferent neurons

A

D. Efferent neurons

25
Q

A measure of the charge difference across the cell membrane.
A. Voltage
B. Potential difference
C. Resistance
D. Capacitance

A

B. Potential difference