AP PSYCHOLOGY U2 PRACTICE TET

The endocrine system consists of: A) glial cells. B) neural networks. C) interneurons. D) glands.

D.

(Thinking Critically) Based on research, which of the following seems true about the specialized functions of the right and left hemispheres? A) They are more clear-cut in men than in women. B) They are more clear-cut in women than in men. C) Most complex tasks emerge from the activity of one or the other hemisphere. D) Most complex activities emerge from the integrated activity of both hemispheres.

D.

A synapse is a(n): A) chemical messenger that triggers muscle contractions. B) automatic response to sensory input. C) neural network. D) junction between a sending neuron and a receiving neuron. E) neural cable containing many axons.

D.

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

D.

In transmitting sensory information to the brain, an electrical signal within a single neuron travels from the: A) cell body to the axon to the dendrites. B) dendrites to the axon to the cell body. C) axon to the cell body to the dendrites. D) dendrites to the cell body to the axon. E) axon to the dendrites to the cell body.

D.

Jessica experienced difficulty keeping her balance after receiving a blow to the back of her head. It is likely that she injured her: A) medulla. B) thalamus. C) hypothalamus. D) cerebellum. E) cerebrum.

D.

The _______ hemisphere typically excels in making subtle linguistic inferences and the _______ hemisphere typically excels in making quick, literal interpretations of language. A) left; left B) right; right C) left; right D) right; left

D.

The technique that uses magnetic fields and radio waves to produce computer images of structures within the brain is called: A) the EEG. B) a CT scan. C) a PET scan. D) MRI.

D.

In order for you to experience the pain of a sprained ankle, ________ must first relay messages from your ankle to your central nervous system. A) the limbic system B) interneurons C) the reticular formation D) motor neurons E) sensory neurons

E.

Which is the correct sequence in the transmission of a neural impulse? A) axon dendrite cell body synapse B) dendrite axon cell body synapse C) synapse axon dendrite cell body D) axon synapse cell body dendrite E) dendrite cell body axon synapse

E.

After discovering that the shadows outside his window were only the trees in the yard, Ralph's blood pressure decreased and his heartbeat slowed. These physical reactions were most directly regulated by his: A) parasympathetic nervous system. B) sympathetic nervous system. C) somatic nervous system. D) hippocampus.

A.

Though there is no single "control center" for emotions, their regulation is primarily attributed to the brain region known as the: A) limbic system. B) reticular formation. C) brainstem. D) cerebral cortex.

A.

After Miguel's recent automobile accident, doctors detected damage to his cerebral cortex in Broca's area. It is likely that Miguel will have difficulty: A) remembering past events. B) speaking fluently. C) reading. D) understanding other people when they speak.

B.

Endocrine glands secrete hormones directly into: A) synaptic gaps. B) the bloodstream. C) the limbic system. D) sensory neurons. E) interneurons.

B.

Heartbeat, digestion, and other self-regulating bodily functions are governed by the: A) voluntary nervous system. B) autonomic nervous system. C) sympathetic division of the autonomic nervous system. D) somatic nervous system. E) central nervous system.

B.

In order to identify which of Lucy's brain areas was most active when she talked, neuroscientists gave her a temporarily radioactive form of glucose and a(n): A) CT scan. B) PET scan. C) EEG. D) MRI.

B.

In the brain, learning occurs as experience strengthens certain connections in cell work groups called: A) action potentials. B) neural networks. C) endocrine systems. D) dendrites. E) synaptic gaps.

B.

The axons of certain neurons are covered by a layer of fatty tissue that helps speed neural transmission. This tissue is: A) the glia. B) the myelin sheath. C) acetylcholine. D) an endorphin.

B.

The chemical messengers released into the spatial junctions between neurons are called: A) hormones. B) neurotransmitters. C) synapses. D) genes. E) glial cells.

B.

The effect of a drug that is an agonist is to: A) cause the brain to stop producing certain neurotransmitters. B) mimic a particular neurotransmitter. C) block a particular neurotransmitter. D) disrupt a neuron's all-or-none firing pattern.

B.

The neurotransmitter acetylcholine (ACh) is most likely to be found: A) at the junction between sensory neurons and muscle fibers. B) at the junction between motor neurons and muscle fibers. C) at junctions between interneurons. D) in all of the above locations.

B.

The sense of hearing is to the ________ lobes as the sense of touch is to the ________ lobes. A) frontal; occipital B) temporal; parietal C) parietal; temporal D) occipital; frontal

B.

Voluntary movements, such as writing with a pencil, are directed by the: A) sympathetic nervous system. B) somatic nervous system. C) parasympathetic nervous system. D) autonomic nervous system.

B.

Which portion of the cerebral cortex is most directly involved in making plans and formulating moral judgments? A) occipital lobes B) frontal lobes C) temporal lobes D) parietal lobes

B.

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) limbic system.

B.

Moruzzi and Magoun caused a cat to lapse into a coma by severing neural connections between the cortex and the: A) reticular formation. B) hypothalamus. C) thalamus. D) cerebellum. E) medulla.

A.

The visual cortex is located in the: A) occipital lobe. B) temporal lobe. C) frontal lobe. D) parietal lobe.

A.

Which of the following is not a correct description of a brain research technique? A) using a PET scan to examine the brain's structure B) using the EEG to record the brain's electrical activity C) using MRI to examine the brain's structure D) using a CT scan to examine the brain's structure

A.

Melissa has just completed running a marathon. She is so elated that she feels little fatigue or discomfort. Her lack of pain is probably the result of the release of: A) ACh. B) endorphins. C) dopamine. D) norepinephrine. E) acetylcholine.

B.

A brief electrical charge that travels down the axon of a neuron is called the: A) synapse. B) agonist. C) action potential. D) myelin sheath. E) refractory period.

C.

A drug that mimics the effects of a particular neurotransmitter or blocks its reuptake is called a(n): A) glutimate. B) steroid. C) agonist. D) opiate.

C.

A slap on the back is more painful than a pat on the back because a slap triggers: A) faster neural impulses. B) more intense neural impulses. C) more frequent neural impulses. D) all the above.

C.

A strong stimulus can increase the: A) speed of the impulse the neuron fires. B) intensity of the impulse the neuron fires. C) number of times the neuron fires. D) threshold that must be reached before the neuron fires.

C.

Chemical messengers produced by endocrine glands are called: A) agonists. B) neurotransmitters. C) hormones. D) enzymes.

C.

Damage to ________ will usually cause a person to lose the ability to comprehend language. A) the angular gyrus B) Broca's area C) Wernicke's area D) frontal lobe association areas

C.

During an action potential, the electrical state of the axon becomes: A) polarized, as positively charged atoms are admitted. B) polarized, as negatively charged atoms are admitted. C) depolarized, as positively charged atoms are admitted. D) depolarized, as negatively charged atoms are admitted.

C.

Which part of your brain receives information as to whether you are moving your legs? A) limbic system B) motor cortex C) sensory cortex D) Broca's area

C.

Information is carried from the central nervous system to the body's tissues by: A) interneurons. B) sensory neurons. C) motor neurons. D) the limbic system.

C.

The nerve fibers that enable communication between the right and left cerebral hemispheres and that have been severed in split-brain patients form a structure called the: A) reticular formation. B) association areas. C) corpus callosum. D) parietal lobes. E) limbic system.

C.

The successful functioning of children who have experienced a hemispherectomy best illustrates the value of: A) aphasia. B) phrenology. C) plasticity. D) reuptake.

C.