unit 2 quiz ap psych

The brain scans of people with amnesia are most likely to show damage to the a) hippocampus b) hypothalamus c) medulla d) reticular reformation e) cerebellum

a) hippocampus

the network of structures involved in emotion, motivation, and memory is the a) limbic system b) pons c) corpus callosum d) occipital lobe e) parietal lobe

a) limbic system

which of the following occurs when a neuron is stimulated to its threshold a) the movements of sodium and potassium ions across the membrane creates an action potential b) neuron hyperpolarizes c) neurotransmitters are released from dendrites d) the absolute refractory period of the neuron prevents it from reponding e) neurons equilibrium potential is reached

a) the movements of sodium and potassium ions across the membrane creates an action potential

the occipital lobes contain a) the primary visual cortex b) the prefrontal cortex c) the somatosensory cortex d) the pons e) sensory and motor connections to other brain regions

a) the primary visual cortex

which of following assertions is best supposed by empirical evidence? a) the two cerebral hemispheres are specialized to process different types of cognitive b) schools should reformed to better teach skills that are processed in the right hemisphere c) human brains are fully formed at birth d) some people are right-brained, while others are left-brained e) people only use 10% of their brains

a) the two cerebral hemispheres are specialized to process different types of cognitive

after sustaining a traumatic injury, Russ is having difficulty comprehending the meaning of words. Which of the following parts of his brain has most likely been damaged a) the motor cortex b) Wernicke's area c) suprachiasmatic nucleus d) somatosensory cortex e) reticular formation

b) Wernicke's area

Which of the following most accurately characterizes the role of hypothalamus in the regulation of hunger a) it primarily responds to such environmental cues as the sight and smell of food b) it acts with the endocrine system to control hunger and satiety c) it monitors stomach contractions through the cranial nerves to determine the extent of hunger d) it is effective in triggering, but not in depressing, the sensation of hunger e) it produces a sense of satiety to counter hunger feelings that arise from stomach contractions

b) it acts with the endocrine system to control hunger and satiety

stimulation of which of the following brain areas will lead a person to eat? a) ventromedial hypothalamus b) lateral hypothalamus c) thalamus

b) lateral hypothalamus

the hypothesis that intelligence is in part inherited is best supported by the fact that IQ correlation for a) pairs of twins reared together is greater than the correlation for pairs of twins reared apart b) pairs of identical twins is greater than for pairs of fraternal twins c) pairs of fraternal twins is greater than the correlation for other pairs of siblings d) adopted children and their adoptive parents is greater than zero e) adopted children and their adoptive parents is greater than the correlation for the same children and their biological parents

b) pairs of identical twins is greater than for pairs of fraternal twins

For most people, which of the following is an activity based in the right hemisphere of the brain a) muscular control of the right hand b) simple spatial reasoning c) arithmetic reasoning d) language comprehension e) speech

b) simple spatial reasoning

during neuronal firing, the part of the neuron that acts as an insulator and conductor to speed the electrical impulse as it travels down the axon is a) the terminal button b) the myelin sheath c) a dendrite d) the soma e) the synaptic cleft

b) the myelin sheath

damage to a small part of occipital lobe would most likely result in a a) speech deficit b) visual deficit c) motor deficit d) hearing loss e) slower heart rate

b) visual deficit

which of the following is true of reticular activating system a) controlling emotions b) motor responses c) arousal d) body temp e) pituitary hormones

c) arousal

Damage to the occipital lobe would most likely affect a person's a) balance b) ability to develop plans c) vision d) fine motor movements e) language processing

c) vision

Damage to the cerebellum would most likely result in which of the following problems? a) aphasia b) increased aggression c) a loss of vision d) a loss of motor coordination e) a change in personality

d) a loss of motor coordination

which of the following parts of the brain is most active in decision making? a) reticular formation b) corpus callosum c) hypothalamus d) cerebral cortex e) pituitary gland

d) cerebral cortex

An individual with damage to Wernicke's area is most likely to have difficulty a) identifying an object held in the hand but not seen b) planning what to wear to a party c) remembering the name of a person in a photograph d) comprehending a spoken request for information e) distinguishing between red and green

d) comprehending a spoken request for information

the limbic system is most closely associated with a) logic and reasoning b) decision making c) auditory comprehension d) emotions e) sensory sensitivity

d) emotions

which of the following areas of the body has the largest number of sensory neuron? a) back b) foot c) ear d) lips e) wrist

d) lips

the area of the brain stem that is important in controlling breathing is the a) suprachiasmatic nucleus b) cerebellum c) limbic system d) medulla e) hippocampus

d) medulla

If an individual has lost the ability to feel the ability to feel pain the left arm, there is most likely damage to what area of the brain a) left occipital lobe b) left parietal lobe c) right frontal lobe d) right parietal lobe e) right occipital lobe

d) right parietal lobe

the sequence of shifts in the electrical shifts in the electrical charge of a neuron is called a) neural integration b) refraction c) synaptic transmission d) the action potential e) differential conduction

d) the action potential

which scenario best exemplifies Charles Darwin's theory of natural selection? a) Aaron has larger muscles than Earl because Aaron lifts weights and Earl does not b) a natural disaster wipes out all of the living creatures on a particular island c) an ape learns how to use a new tool by observing another ape use that tool d) a baby spreads out its toes in response to having its foot stroked e) a mutation in a species of lizards that allows them to better blend into their surroundings leads to greater survival and more offspring possessing this mutation in a later generation

e) a mutation in a species of lizards that allows them to better blend into their surroundings leads to greater survival and more offspring possessing this mutation in a later generation

a person with damage to Broca's area would most likely demonstrate which of the following symptoms: a) forgetfulness b) hearing difficulties c) difficulty controlling balance and coordination d) difficulty controlling emotions e) difficulty with speech production

e) difficulty with speech production

which of following regions of the body has the largest area of sensory cortex devoted to it a) trunk b) arm c) shoulder d) leg e) face

e) face

after an electrode implanted in a cat's brain stimulates the cat's amygdala, the cat will most likely do which of the following? a) demonstrate maternal instincts b) begin to eat uncontrollably c) begin to purr and seek physical contact d) immediately slip into REM sleep e) immediately withdraw in fear

e) immediately withdraw in fear

which of the following is true about the pons a) it is closely associated with judgment, higher-order cognition, and personality b) it functions as a bridge between the two hemispheres c) it is associated with hormones and the endocrine system d) it is associated with visual processing e) it is the region of the brain that is most closely associated with sleep and arousal

e) it is the region of the brain that is most closely associated with sleep and arousal

Treating a patient for Parkinson's disease includes administering a chemical that will lead to increases in the patient's a) monoamine oxidase inhibitors b) acetylcholine c) norepinephrine d) dopamine e) serotonin

e) serotonin