Question 1

Sounds

Accepted Answer

A) are waves of compressed air. 
B) are detected by mechanoreceptors. 
C) may be measured, with respect to their loudness, in decibels. 
D) that vary by one decibel can be differentiated by the human ear. 
E) include all of these. 
A) are waves of compressed air. 
B) are detected by mechanoreceptors. 
C) may be measured, with respect to their loudness, in decibels. 
D) that vary by one decibel can be differentiated by the human ear. 
E) include all of these. E

Question 2

Sensory adaptation involves

Accepted Answer

A) reflexive responses to stimuli that are encountered frequently. 
B) coordination of action potentials. 
C) reduces response to ongoing stimuli. 
D) increased response to ongoing stimuli. 
E) none of these. 
A) reflexive responses to stimuli that are encountered frequently. 
B) coordination of action potentials. 
C) reduces response to ongoing stimuli. 
D) increased response to ongoing stimuli. 
E) none of these. C

Question 3

Thcommunication point between two neurons is callethe

Accepted Answer

A) electrical synapse. 
B) chemical synapse. 
C) neural junction. 
D) neural bridge. 
E) interneuron. 
A) electrical synapse. 
B) chemical synapse. 
C) neural junction. 
D) neural bridge. 
E) interneuron. B

Question 4

Brancheextensions that receivinformation froother cells arcalled

Accepted Answer

A) axons. 
B) dendrites. 
C) interneurons. 
D) sensory neurons. 
E) cell bodies. 
A) axons. 
B) dendrites. 
C) interneurons. 
D) sensory neurons. 
E) cell bodies.

Question 5

Frontal loblobotomies

Accepted Answer

A) involve destruction of the tissue in the frontal lobe. 
B) were performed on thousands of patients in the 1950s. 
C) were intended to treat mental illness, personality disorders, and headaches. 
D) may result in impaired ability to concentrate and plan. 
E) include all of these. 
A) involve destruction of the tissue in the frontal lobe. 
B) were performed on thousands of patients in the 1950s. 
C) were intended to treat mental illness, personality disorders, and headaches. 
D) may result in impaired ability to concentrate and plan. 
E) include all of these.

Question 6

Sensory receptors that detect changes in pressurarcalled

Accepted Answer

A) thermoreceptors. 
B) mechanoreceptors. 
C) chemoreceptors. 
D) photoreceptors. 
E) osmoreceptors. 
A) thermoreceptors. 
B) mechanoreceptors. 
C) chemoreceptors. 
D) photoreceptors. 
E) osmoreceptors.

Question 7

Ecstasy causes threleasof excess

Accepted Answer

A) serotonin. 
B) epinephrine. 
C) adrenalin. 
D) melatonin. 
E) chemicals, but none of these. 
A) serotonin. 
B) epinephrine. 
C) adrenalin. 
D) melatonin. 
E) chemicals, but none of these.

Question 8

Referring to thabovdiagraof thbrain, B identifies which region?

Accepted Answer

A) hypothalamus 
B) thalamus 
C) cerebrum 
D) corpus callosum 
E) cerebellum 
A) hypothalamus 
B) thalamus 
C) cerebrum 
D) corpus callosum 
E) cerebellum

Question 9

Which lobcontains thBroca's area?

Accepted Answer

A) frontal 
B) parietal 
C) occipital 
D) temporal 
E) none of these 
A) frontal 
B) parietal 
C) occipital 
D) temporal 
E) none of these

Question 10

Which region of thbrain is responsiblfor controlling reflexes such as swallowing, coughing, ansneezing?

Accepted Answer

A) midbrain 
B) pons 
C) thalamus 
D) medulla oblongata 
E) cerebrum 
A) midbrain 
B) pons 
C) thalamus 
D) medulla oblongata 
E) cerebrum

Question 11

Which ions arimportant in maintaining thmembranpotential of thneurons?

Accepted Answer

A) sodium and chloride 
B) potassium and calcium 
C) sodium and potassium 
D) magnesium and calcium 
E) none of these 
A) sodium and chloride 
B) potassium and calcium 
C) sodium and potassium 
D) magnesium and calcium 
E) none of these

Question 12

Thwhitmatter differs frogray matter in that

Accepted Answer

A) white matter is found in the brain, and gray matter is found in the spinal cord. 
B) white matter consists of bundles of myelin-sheathed axons, and gray matter consists of cell bodies, dendrites, and neuroglial cell. 
C) white matter transmits sensory information, and gray matter transmits motor information. 
D) white matter is associated with the sympathetic nervous system, and gray matter is associated with the parasympathetic nervous system. 
E) all of these are true. 
A) white matter is found in the brain, and gray matter is found in the spinal cord. 
B) white matter consists of bundles of myelin-sheathed axons, and gray matter consists of cell bodies, dendrites, and neuroglial cell. 
C) white matter transmits sensory information, and gray matter transmits motor information. 
D) white matter is associated with the sympathetic nervous system, and gray matter is associated with the parasympathetic nervous system. 
E) all of these are true.

Question 13

Thcentral nervous systeincludes

Accepted Answer

A) the brain. 
B) the spinal cord. 
C) nearly all interneurons. 
D) all of these. 
E) the brain and the spinal cord only. 
A) the brain. 
B) the spinal cord. 
C) nearly all interneurons. 
D) all of these. 
E) the brain and the spinal cord only.

Question 14

Referring to thabovdiagraof thbrain, B identifies which lobof thcerebrum?

Accepted Answer

A) frontal lobe 
B) parietal lobe 
C) occipital lobe 
D) temporal lobe 
E) primary motor cortex 
A) frontal lobe 
B) parietal lobe 
C) occipital lobe 
D) temporal lobe 
E) primary motor cortex

Question 15

ThBroca's area is responsiblfor

Accepted Answer

A) controlling emotions. 
B) integrating visual signals. 
C) the capacity to speak complex sentences. 
D) perception of visceral sensations. 
E) none of these. 
A) controlling emotions. 
B) integrating visual signals. 
C) the capacity to speak complex sentences. 
D) perception of visceral sensations. 
E) none of these.

Question 16

Visceral sensations

Accepted Answer

A) are easy to pinpoint. 
B) are localized to specific body parts. 
C) arise from neurons in the walls of soft internal organs. 
D) are difficult to pinpoint. 
E) arise from neurons in the walls of soft internal organs, and are difficult to pinpoint. 
A) are easy to pinpoint. 
B) are localized to specific body parts. 
C) arise from neurons in the walls of soft internal organs. 
D) are difficult to pinpoint. 
E) arise from neurons in the walls of soft internal organs, and are difficult to pinpoint.

Question 17

Animals that hava nervnet include

Accepted Answer

A) cnidarians. 
B) platyhelminthes. 
C) crustaceans. 
D) insects. 
E) all of these. 
A) cnidarians. 
B) platyhelminthes. 
C) crustaceans. 
D) insects. 
E) all of these.

Question 18

An abundancof serotonin

Accepted Answer

A) makes you feel tired. 
B) decreases empathy. 
C) increases feelings of euphoria. 
D) does all of these. 
E) only makes you feel tired and decreases empathy. 
A) makes you feel tired. 
B) decreases empathy. 
C) increases feelings of euphoria. 
D) does all of these. 
E) only makes you feel tired and decreases empathy.

Question 19

At thheight of thaction potential,

Accepted Answer

A) the interstitial fluid is more negatively charged than the cytoplasmic fluid. 
B) the interstitial fluid is less negatively charged than the cytoplasmic fluid. 
C) the interstitial fluid and the cytoplasmic fluid have the same charge. 
D) all sodium and potassium ions rush out of the neuron. 
E) both a and d occur. 
A) the interstitial fluid is more negatively charged than the cytoplasmic fluid. 
B) the interstitial fluid is less negatively charged than the cytoplasmic fluid. 
C) the interstitial fluid and the cytoplasmic fluid have the same charge. 
D) all sodium and potassium ions rush out of the neuron. 
E) both a and d occur.

Question 20

Meningitis

Accepted Answer

A) results when a virus or bacterium crosses the blood-brain barrier. 
B) is not usually fatal. 
C) results when cerebrospinal fluid seeps out of the meninges. 
D) occurs when white matter mixes with gray matter. 
E) includes all of these characteristics. 
A) results when a virus or bacterium crosses the blood-brain barrier. 
B) is not usually fatal. 
C) results when cerebrospinal fluid seeps out of the meninges. 
D) occurs when white matter mixes with gray matter. 
E) includes all of these characteristics.

Exam 24: Neural Control and the Senses

Sounds

Sensory adaptation involves

Thcommunication point between two neurons is callethe

Brancheextensions that receivinformation froother cells arcalled

Frontal loblobotomies

Sensory receptors that detect changes in pressurarcalled

Ecstasy causes threleasof excess

Referring to thabovdiagraof thbrain, B identifies which region?

Which lobcontains thBroca's area?

Which region of thbrain is responsiblfor controlling reflexes such as swallowing, coughing, ansneezing?

Which ions arimportant in maintaining thmembranpotential of thneurons?

Thwhitmatter differs frogray matter in that

Thcentral nervous systeincludes

Referring to thabovdiagraof thbrain, B identifies which lobof thcerebrum?

ThBroca's area is responsiblfor

Visceral sensations

Animals that hava nervnet include

An abundancof serotonin

At thheight of thaction potential,

Meningitis

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