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  -The diagram illustrates sensory receptors in the skin. What structure does  A  represent? A) Meissner corpuscles B) Free nerve endings C) Ruffini end organ D) Pacinian corpuscle E) Merkel disks -The diagram illustrates sensory receptors in the skin. What structure does "A" represent? A) Meissner corpuscles B) Free nerve endings C) Ruffini end organ D) Pacinian corpuscle E) Merkel disks

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A nurse is caring for a patient who exhibits the following symptoms: (1) Inability to maintain balance while walking (2) Normal intelligence (3) Can initiate voluntary movements, although they are somewhat uncoordinated (4) Decreased tone in the skeletal muscles The patient is probably suffering from a condition that affected the ________.


A) midbrain
B) cerebellum
C) basal ganglia
D) cerebral cortex
E) brainstem

F) B) and C)
G) None of the above

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Lesion of the basal nuclei could cause


A) loss of memory.
B) uncontrolled rage.
C) fluent but circular speech.
D) a slight shaking of the hands or head.
E) loss of sensation.

F) A) and E)
G) B) and E)

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Which of the following is an example of procedural or implicit memory?


A) Remembering your name
B) Performing a choreographed dance
C) Locating Russia on a globe
D) Being afraid of snakes
E) Reciting a poem

F) All of the above
G) A) and E)

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Match the type of brain wave with its appropriate description. -Delta waves


A) Usually occur in children or in adults experiencing frustration
B) Observed in a person who is awake, quiet, and resting, with eyes closed
C) Occur in deep sleep, infancy, and patients with brain disorders
D) Occur during intense mental activity

E) B) and D)
F) None of the above

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The sensory speech area is Broca area.

A) True
B) False

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A state of conscious awareness of stimuli received by sensory receptors is called ________.


A) adaptation
B) projection
C) translation
D) perception
E) inclination

F) A) and C)
G) A) and D)

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A patient has presented with an abnormal reflex response. In response to a flash of light, the patient will move his eyes towards the light but not turn his head. Which of the following may explain the condition?


A) The patient has damage to the accessory nerve (XI) , affecting his ability to reflexively turn his head.
B) The patient has damage to the oculomotor nerve (III) , affecting his ability to coordinate eye movement and head movement.
C) The patient has damage to his trochlear nerve (IV) , accentuating his ability to move his eyes and rendering the need to move the head unnecessary.
D) The patient has damage to the occipital lobe of the cerebrum, causing him to be blind to the flash of light.

E) A) and C)
F) C) and D)

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Changes in the blood concentration of glucose, oxygen, and hydrogen are detected by ________.


A) baroreceptors
B) chemoreceptors
C) nociceptors
D) proprioceptors
E) thermoreceptors

F) None of the above
G) B) and D)

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Which of the following statements concerning the descending pathways of the spinal cord is true?


A) Most descending pathways control sensory functions.
B) Many of the descending pathways decussate in the midbrain.
C) Descending pathways consist of upper and lower motor neurons.
D) Descending pathways must synapse in the thalamus.
E) These pathways start in the spinal cord and end in the brain.

F) A) and D)
G) C) and E)

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Which neurotransmitter has been implicated in Parkinson's disease?


A) Norepinephrine
B) Dopamine
C) Serotonin
D) GABA
E) Acetylcholine

F) A) and B)
G) A) and E)

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Free nerve endings respond to


A) temperature change and pain.
B) pressure and vibration.
C) light touch and two-point discrimination.
D) temperature change and pressure.
E) chemicals.

F) A) and E)
G) None of the above

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Which of the following is an ascending pathway in the spinal cord?


A) Lateral spinothalamic tract
B) Rubrospinal tract
C) Lateral corticospinal tract
D) Tectospinal tract
E) Anterior corticospinal tract

F) A) and B)
G) None of the above

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As the nervous system ages


A) reflexes become faster.
B) cutaneous sensation becomes more acute.
C) blood pressure decreases.
D) reflexes become slower.
E) size and weight of the brain increases.

F) A) and D)
G) B) and D)

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In working memory,


A) information is retained for less than a second.
B) the frontal lobe plays the most important role.
C) current information is lost when new information is presented.
D) there is increased synaptic activity by long-term potentiation.
E) there is consolidation of information.

F) A) and B)
G) C) and E)

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Gladys had a stroke that has left her unable to detect certain sensations of her face. Based on this information, which region of the brain is most likely affected?


A) Parietal lobe, in middle region of the postcentral gyrus
B) Parietal lobe, in the most inferior region of the postcentral gyrus
C) Frontal lobe, in middle region of the precentral gyrus
D) Frontal lobe, in most inferior region of the precentral gyrus

E) None of the above
F) C) and D)

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A series of neurons involved in long-term retention of a thought is called a/an ________.


A) EEG
B) brain wave
C) memory engram
D) short-term memory
E) memory trace

F) B) and C)
G) B) and E)

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Sensory ________ is the ability the brain has to prioritize the sensory input it receives and to ignore unimportant stimuli.


A) adaptation
B) perception
C) sensation

D) All of the above
E) A) and B)

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A major source of sensory input into the limbic system is the sense of ________.


A) vision
B) taste
C) touch
D) smell

E) A) and D)
F) A) and C)

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The fasciculus gracilis and fasciculus cuneatus would help us


A) perceive pain.
B) tell if an object is rough or smooth.
C) sense temperature.
D) move our arms and legs.
E) write a sentence.

F) A) and C)
G) D) and E)

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