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The neuron
The Brain
The Brain cont.
Miscellaneous
Miscellaneous
100
If the corpus callosum is cut the brain will continue to function, but one side won’t be able to communicate with the other side. a. true b. false
true
100
A friend of yours has just been in an accident and you notice that when you speak to her she seems to understand you but cannot verbally answer your questions. Her speech is slurred and faltering. You conclude she had an injury to a. Broca's area c. reticular activating system b. temporal lobe d. parietal lobe
Broca's area
100
Following a nail gun wound to his head, Jack became more uninhibited, irritable, dishonest, and profane. It is likely that his personality change was the result of injury to his a. parietal lobe b. temporal lobe c. occipital lobe d. frontal lobe
frontal lobe
100
A body builder friend suddenly seems to have grown several inches in height. You suspect that your friend's growth spurt has occurred because he has been using drugs that affect the a. pituitary gland b. thalamus c. adrenal glands d. medulla
pituitary gland
100
Of the following individuals, who is likely to be the most hypnotically suggestible? a. Bill, a reality-oriented stockbroker b. Janice, an actress with a rich imagination c. Megan, a sixth-grader who has trouble focusing her attention on a task d. Darren, who has never been able to really "get involved" in movies or novels
Janice, an actress with a rich imagination
200
During the absolute refractory period a. neurons will not fire at all b. stimuli below the threshold will cause the neuron to fire c. neurons will fire, but not at maximum intensity d. neurons will fire only in response to stronger than normal stimuli
neurons will not fire at all
200
In order to pinpoint the location of a tumor, a neurosurgeon electrically stimulated parts of the patient's sensory cortex. If the patient was conscious during the procedure, which of the following was probably experienced? A. “hearing” faint sounds B. “seeing” random visual patterns C. movement of the arms or legs D. a sense of having the skin touched
a sense of having the skin touched
200
If a neurosurgeon directly stimulated parts of your sensory cortex, which of the following would you most likely experience? a. extreme dizziness b. indistinct visual patterns or dots of light c. faint bells ringing d. a sense of being touched
a sense of being touched
200
If Dr. Rogers wishes to conduct an experiment on the effects of stimulating the reward centers of a rat's brain, he should insert an electrode into the a. thalamus b. sensory cortex c. hypothalamus d. corpus callosum
hypothalamus
200
Which of the following statements concerning hypnosis is true? a. people will do anything under hypnosis b. hypnosis is the same as sleeping c. hypnosis is in part an extension of the division between conscious awareness and automatic behavior d. hypnosis improves memory recall
Hypnosis is in part an extension of the division between conscious awareness and automatic behavior
300
Depolarization means a. more positive b. more negative c. more synapses d. the same as dendrites
more positive
300
You come home one night to find a burglar in your house. Your heart starts racing and you begin to perspire. These physical reactions are triggered by the a. somatic nervous system b. sympathetic nervous system c. parasympathetic nervous system d. sensory cortex
sympathetic nervous system
300
The corpus callosum is a wide band of neural fibers that a. enables the left hemisphere to control the right side of the body b. transmits information between the cerebral hemispheres c. controls the glands and muscles of the internal organs d. directs the muscle movements involved in speech
transmits information between the cerebral hemispheres
300
You are able to pull your hand quickly away from hot water before pain is felt because a. movement of the hand is a reflex that involves intervention of the spinal cord only b. movement of the hand does not require intervention by the central nervous system c. the brain reacts quickly to prevent sever injury d. the autonomic division of the peripheral nervous system intervenes to peed contraction of the muscles of the hand
movement of the hand is a reflex that involves intervention of the spinal cord only
300
Which of the following is not a stimulant? a. amphetamines b. caffeine c. nicotine d. alcohol
alcohol
400
The all-or-none action potential in a neuron is generated by a temporary breakdown in the cell membrane's normal barrier to external a. potassium ions (K+) b. sodium ions (Na+) c. certain large proteins d. chloride ions
sodium ions (Na+)
400
Following an injury, undamaged brain areas may take over the functions of damaged areas. This phenomenon results from the ________________ of the brain a. recombination b. regeneration c. enrichment d. plasticity
plasticity
400
Cortical areas that are not primarily concerned with sensory, motor, or language functions are a. called projection areas b. called association areas c. located mostly in the parietal lobe d. located mostly in the temporal lobe
called association areas
400
A neuron will generate action potentials when it a. remains below its threshold b. receives an excitatory input c. receives more excitatory than inhibitory inputs d. is stimulated by a neurotransmitter
receives more excitatory than inhibitory inputs
400
Drugs affect behavior by affecting a. axonal transmission b. synaptic transmission c. both axonal and synaptic transmission d. neither axonal nor synaptic transmission
synaptic transmission
500
The chemical messengers released into the spatial junction between neurons are called a. hormones b. neurotransmitters c. synapses d. genes
neurotransmitters
500
The central nervous system consists of a. sensory and motor neurons b. somatic and autonomic subsystems c. the brain and spinal cord d. sympathetic and parasympathetic braches
the brain and spinal cord
500
Which of the following is typically controlled by the left hemisphere? a. spatial reasoning b. word recognition c. the left side of the body d. perceptual skills
word recognition
500
The gland that regulates body growth is the a. adrenal b. thyroid c. hypothalamus d. pituitary
pituitary
500
If the corpus callosum is cut the brain will die, because neither of the two hemispheres of a human brain is capable of functioning as an independent brain on its own. True or False
false