Ap Psych Chapter 2 Review

In a resting state, the axon is: A) depolarized, with mostly negatively charged ions outside and positively charged ions inside. B) depolarized, with mostly positively charged ions outside and negatively charged ions inside. C) polarized, with mostly negatively charged ions outside and positively charged ions inside. D) polarized, with mostly positively charged ions outside and negatively charged ions inside.

D) polarized, with mostly positively charged ions outside and negatively charged ions inside.

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 lesion. C) a PET scan. D) MRI.

D) MRI.

(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) Most complex activities emerge from the integrated activity of both hemispheres.

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) a sense of having the skin touched

Dr. Hernandez is studying neurotransmitter abnormalities in depressed patients. She would most likely describe herself as a: A) personality psychologist. B) phrenologist. C) psychoanalyst. D) biological psychologist.

D) biological psychologist

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.

D) cerebellum.

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) dendrite ® cell body ® axon ® synapse

D) dendrite ® cell body ® axon ® synapse

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.

D) frontal lobe.

Beginning at the front of the brain and moving toward the back of the head, then down the skull and back around to the front, which of the following is the correct order of the cortical regions? A) occipital lobe; temporal lobe; parietal lobe; frontal lobe B) temporal lobe; frontal lobe; parietal lobe; occipital lobe C) frontal lobe; occipital lobe; temporal lobe; parietal lobe D) frontal lobe; parietal lobe; occipital lobe; temporal lobe

D) frontal lobe; parietal lobe; occipital lobe; temporal lobe

Epinephrine and norepinephrine are ________ that are released by the ________ gland. A) neurotransmitters; pituitary B) hormones; pituitary C) neurotransmitters; thyroid D) hormones; adrenal

D) hormones; adrenal

The increasing complexity of animals' behavior was accompanied by a(n): A) increase in the size of the brainstem. B) decrease in the ratio of brain to body weight. C) increase in the size of the frontal lobes. D) increase in the amount of association area.

D) increase in the amount of association area.

Which of the following is typically controlled by the right hemisphere? A) language B) learned voluntary movements C) arithmetic reasoning D) perceptual tasks

D) perceptual tasks

The gland that regulates body growth is the: A) adrenal. B) thyroid. C) hypothalamus. D) pituitary.

D) pituitary.

Dr. Frankenstein made a mistake during neurosurgery on his monster. After the operation, the monster "saw" with his ears and "heard" with his eyes. It is likely that Dr. Frankenstein "rewired" neural connections in the monster's: A) hypothalamus. B) cerebellum. C) amygdala. D) thalamus.

D) thalamus.

A biological psychologist would be more likely to study: A) how you learn to express emotions. B) how to help people overcome emotional disorders. C) life-span changes in the expression of emotion. D) the chemical changes that accompany emotions.

D) the chemical changes that accompany emotions.

The brain research technique that involves monitoring the brain's usage of glucose is called (in abbreviated form) the: A) PET scan. B) fMRI. C) EEG. D) MRI.

A) PET scan.

I am a relatively slow-acting (but long-lasting) chemical messenger carried throughout the body by the bloodstream. What am I? A) a hormone B) a neurotransmitter C) acetylcholine D) dopamine

A) a hormone

Raccoons have much more precise control of their paws than dogs do. You would expect that raccoons have more cortical space dedicated to "paw control" in the ________of their brains. A) frontal lobes B) parietal lobes C) temporal lobes D) occipital lobes

A) frontal lobes

Parkinson's disease involves: A) the death of nerve cells that produce a vital neurotransmitter. B) impaired function in the right hemisphere only. C) impaired function in the left hemisphere only. D) excess production of the neurotransmitters dopamine and acetylcholine

A) the death of nerve cells that produce a vital neurotransmitter

Anton is applying for a technician's job with a neurosurgeon. In trying to impress his potential employer with his knowledge of the brain, he says, "After my father's stroke I knew immediately that the blood clot had affected his left cerebral hemisphere because he no longer recognized a picture of his friend." Should Anton be hired? A) Yes. Anton obviously understands brain structure and function. B) No. The right hemisphere, not the left, specializes in picture recognition. C) Yes. Although blood clots never form in the left hemisphere, Anton should be rewarded for recognizing the left hemisphere's role in picture recognition. D) No. Blood clots never form in the left hemisphere, and the right hemisphere is more involved than the left in recognizing pictures.

B) No. The right hemisphere, not the left, specializes in picture recognition.

Which of the following is not true regarding brain organization and handedness? A) If a person has a left-handed identical twin, odds are that he or she will also be left-handed. B) Right-handedness is far more common than left-handedness throughout the world. C) On average, right-handers live longer than left-handers. D) Left-handers are more common than usual among people with reading disabilities.

A) If a person has a left-handed identical twin, odds are that he or she will also be left-handed.

Several shy neurons send an inhibitory message to neighboring neuron Joni. At the same time, a larger group of party-going neurons send Joni excitatory messages. What will Joni do? A) fire, assuming that her threshold has been reached B) not fire, even if her threshold has been reached C) enter a refractory period D) become hyperpolarized

A) fire, assuming that her threshold has been reached

A split-brain patient has a picture of a knife flashed to her left hemisphere and that of a fork to her right hemisphere. She will be able to: A) identify the fork using her left hand. B) identify a knife using her left hand. C) identify a knife using either hand. D) identify a fork using either hand.

A) identify the fork using her left hand.

The myelin sheath that is on some neurons: A) increases the speed of neural transmission. B) slows neural transmission. C) regulates the release of neurotransmitters. D) does a. and c.

A) increases the speed of neural transmission.

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) cerebellum.

A) limbic system.

A bodybuilder 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.

A) pituitary gland.

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.

A) reticular formation.

When Sandy scalded her toe in a tub of hot water, the pain message was carried to her spinal cord by the ________ nervous system. A) somatic B) sympathetic C) parasympathetic D) central

A) somatic

The pain of heroin withdrawal may be attributable to the fact that: A) under the influence of heroin the brain ceases production of endorphins. B) under the influence of heroin the brain ceases production of all neurotransmitters. C) during heroin withdrawal the brain's production of all neurotransmitters is greatly increased. D) heroin destroys endorphin receptors in the brain.

A) under the influence of heroin the brain ceases production of endorphins.

Dr. Johnson briefly flashed a picture of a key in the right visual field of a split-brain patient. The patient could probably: A) verbally report that a key was seen. B) write the word key using the left hand. C) draw a picture of a key using the left hand. D) do none of the above.

A) verbally report that a key was seen.

Which of the following was a major problem with phrenology? A) It was "ahead of its time" and no one believed it could be true. B) The brain is not neatly organized into structures that correspond to our categories of behavior. C) The brains of humans and animals are much less similar than the theory implied. D) All of the above were problems with phrenology.

B) The brain is not neatly organized into structures that correspond to our categories of behavior.

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) at the junction between motor neurons and muscle fibers.

Following Jayshree's near-fatal car accident, her physician noticed that the pupillary reflex of her eyes was abnormal. This may indicate that Jayshree's ________ was damaged in the accident. A) occipital cortex B) autonomic nervous system C) left temporal lobe D) cerebellum

B) autonomic nervous system

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.

B) autonomic nervous system.

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.

B) called association areas.

Research has found that the amount of representation in the motor cortex reflects the: A) size of the body parts. B) degree of precise control required by each of the parts. C) sensitivity of the body region. D) area of the occipital lobe being stimulated by the environment.

B) degree of precise control required by each of the parts.

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.

B) endorphins.

Since Malcolm has been taking a drug prescribed by his doctor, he no longer enjoys the little pleasures of life, such as eating and drinking. His doctor explains that this is because the drug: A) triggers release of dopamine. B) inhibits release of dopamine. C) triggers release of ACh. D) inhibits release of ACh.

B) inhibits release of dopamine.

A scientist from another planet wishes to study the simplest brain mechanisms underlying emotion and memory. You recommend that the scientist study the: A) brainstem of a frog. B) limbic system of a dog. C) cortex of a monkey. D) cortex of a human.

B) limbic system of a dog.

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) mimic a particular neurotransmitter.

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.

B) neural networks.

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) somatic nervous system.

Your brother has been taking prescription medicine and experiencing a number of unpleasant side effects, including unusually rapid heartbeat and excessive perspiration. It is likely that the medicine is exaggerating activity in the: A) reticular formation. B) sympathetic nervous system. C) parasympathetic nervous system. D) amygdala.

B) sympathetic nervous system.

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 myelin sheath

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

B) word recognition

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 severe injury. D) the autonomic division of the peripheral nervous system intervenes to speed contraction of the muscles of the hand.

A) movement of the hand is a reflex that involves intervention of the spinal cord only.

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

A) occipital lobe.

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) Wernicke's area

The part of the human brain that is most like that of a fish is the: A) cortex. B) limbic system. C) brainstem. D) right hemisphere.

C) brainstem

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.

C) corpus callosum.

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) depolarized, as positively charged atoms are admitted.

Three-year-old Marco suffered damage to the speech area of the brain's left hemisphere when he fell from a swing. Research suggests that: A) he will never speak again. B) his motor abilities may improve so that he can easily use sign language. C) his right hemisphere may take over much of the language function. D) his earlier experience with speech may enable him to continue speaking.

C) his right hemisphere may take over much of the language function.

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

C) hormones.

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.

C) hypothalamus.

Which of the following are/is governed by the simplest neural pathways? A) emotions B) physiological drives, such as hunger C) reflexes D) movements, such as walking

C) reflexes

Following a head injury, a person has ongoing difficulties staying awake. Most likely, the damage occurred to the: A) thalamus. B) corpus callosum. C) reticular formation. D) cerebellum.

C) reticular formation.

Which is the correct sequence in the transmission of a simple reflex? A) sensory neuron ® interneuron ® sensory neuron B) interneuron ® motor neuron ® sensory neuron C) sensory neuron ® interneuron ® motor neuron D) interneuron ® sensory neuron ® motor neuron

C) sensory neuron ® interneuron ® motor neuron

In primitive vertebrate animals, the brain primarily regulates ________; in lower mammals, the brain enables ________. A) emotion; memory B) memory; emotion C) survival functions; emotion D) reproduction; emotion

C) survival functions; emotion

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) number of times the neuron fires

A neuron will generate action potentials more often 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.

C) receives more excitatory than inhibitory inputs.