Which of the following is used to classify a neuron?
number of processes from cell body
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3
If these cells were very active, it would likely indicate an infection in the CNS
Microglia
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4
When you intentionally tighten your abdominal muscles, which divisions of the nervous system are being used?
motor; Somatic
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5
Neuroglia that maintain cerebrospinal fluid are called
Ependymal cells
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6
The sensory division of the peripheral nervous system is also known as the ___________ division.
afferent
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7
Which part of the nervous system can help calm someone down after an emergency has occurred?
parasympathetic division
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8
When an impulse passes through a neuron, what is the correct order for transmission of the impulse?
dendrites, cell body, axon (DCA)
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9
____________ wrap around the axon of a neuron to create the __________________.
schwann cells, myelin sheath
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10
During the transmission of an action potential across a _________, Ca
2+ channels open triggering the synaptic vesicles to release _______ to pass the signal to the postsynaptic neuron.
synapse, neurotransmitters
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11
Which describes a cell's resting potential?
cell is negatively charged, environment positively charged
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12
What is the order of the layers of meninges, starting against the skull and moving toward the brain?
dura mater, arachnoid,pia mater
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13
Which is not true about the cerebral cortex?
made of myelinated axons
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14
Which lobe of the brain controls reasoning, decision making & planning?
frontal
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15
Which lobe of the brain controls visual processing?
occipital
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16
Which structures are found in the diencephalon?
ABD, (thalamus, hypothalamus, pineal gland)
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17
Which portion of the brain is responsible for involuntary activities such as posture, breathing, and heart rate?
brain stem
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18
You’ve been practicing your jump shot for basketball every day. When you get into a game, which section of your brain allows you to use these motions easily and without thought?
cerebellum
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19
Which of the following receptor types is incorrectly matched with item it detects?
mechanoreceptors;pain
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20
Which of the following touch receptors would detect deep pressure against the skin?
pacinian corpuscles
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21
In the lacrimal apparatus, tears are produced in the lacrimal gland, then travel across the ________________ towards the ___________ commissure before emptying into the nasolacrimal duct.
conjunctiva, medial
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22
Which of these parts of the eye does not have the job of regulating or focusing light as it comes into the eye?
sclera
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23
What is the point on the retina where the sharpest image can be detected?
fovea centralis
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24
Which of the following helps you see in low light?
Rods, pupil wide open
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25
If you were looking at an individual eyeball during a dissection and it was flat, what likely happened?
the vitreous humor flowed out
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26
Which of the following is not true about taste buds?
taste buds and papillae are the same thing
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27
Which is the correct order in which sound waves flow through the ear?
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