AP Psychology Unit 2 Test

Neurotransmitter acetylcholine (ACh) is most likely to be found:

•	At the junction between sensor neurons and muscle fibers
•	At the junction between motor neurons and muscle fibers
•	At junctions between interneurons
•	At the junctions between terminals
•	In all of the above locations

At the junction between motor neurons and muscle fibers

When Sandy scaled her toe in a tub of hot water, the pain message was carried to her spinal cord by the ________________ nervous system.

•	Somatic
•	Sympathetic
•	Parasympathetic
•	Central
•	Cerebellum

Somatic

Damage to _______________________ will usually cause a person to lose the ability, to comprehend language.

•	The angular gyrus
•	Broca’s area
•	Wernicke’s area
•	Frontal lobe association areas
•	Corpus Callosum

Wernicke’s Area

Though there is no single “control center” for emotions there regulation is primarily attributed to the brain region known as the:

•	Limbic system
•	Reticular formation
•	Brainstem
•	Cerebellum
•	Nervous system

Limbic system

8. An axon is:
   
   

   •	A cell that serves as the basic building block of the nervous system
   •	A layer of fatty tissue that encases the fibers many neurons
   •	An antagonist molecule that blocks neurotransmitter receptor sites
   •	The extension of a neuron that carries messages away from the cell body
   •	A junction between a sending and receiving neuron

The extension of a neuron that carries messages away from the cell body

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:

•	Triggers the release of dopamine
•	Inhibits the release of dopamine
•	Rigger release of ACh
•	Inhibits release of ACh
•	Triggers the release of endorphins

Inhibits the release of dopamine

Chemical messengers produced by endocrine glands are called:

•	Agonist
•	Neurotransmitters
•	Hormones
•	Enzymes
•	Thalomites

Hormones

Resting potential is to action potential as ________________ is to __________________.

•	Association area; neural network
•	Sensory neuron; motor neuron
•	Temporal lobe; occipital lobe
•	Polarization; depolarization
•	Right hemisphere; left hemisphere

Polarization; depolarization

The axons of certain neurons are covered by a layer of fatty tissue that helps speed neural transmission. This tissue is:

•	The glia
•	The myelin sheath
•	Acetylcholine (ACh)
•	An endorphin
•	Fissures

The myelin sheath

An all-or-none response pattern is characteristic of the:

•	Initiation of neural impulses
•	Release of endorphins into the central nervous system
•	Release of hormones into the bloodstream
•	Activation of either the sympathetic or the parasympathetic system
•	Inheritance of behavior predispositions

Initiation of neural impulses

Which portion of the cerebral cortex is most directly involved in making plans and formulating moral judgments?

•	Occipital lobes
•	Frontal lobes
•	Temporal lobes
•	Parietal lobes
•	Cerebellum

Frontal lobes

Dendrites are branching extensions of:

•	Neurotransmitters
•	Endorphins
•	Neurons
•	Glial cells
•	Endocrine glands

Neurons

21. A neuron will generate action potentials more often when it:
    
    

    •	Remains below its threshold
    •	Receives an excitatory input
    •	Receives more excitatory that inhibitory inputs
    •	Is stimulated by a neurotransmitter
    •	Is stimulated by a dendrite

Receives more excitatory that inhibitory inputs

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 connection in the monster’s:

•	Hypothalamus
•	Cerebellum
•	Amygdala
•	Thalamus
•	Occipital lobe

Thalamus

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:

•	ACh
•	Endorphins
•	Dopamine
•	Norepinephrine
•	Pain neurons

Endorphins

Which of the following is typically controlled by the left hemisphere?

•	Spatial reasoning
•	Word recognition
•	The left side of the body
•	Perceptual skills
•	Reticular formation

Word recognition

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:

•	Reticular formation
•	Association areas
•	Corpus Callosum
•	Parietal lobe
•	Cerebellum

Corpus Callosum

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:

•	Thalamus
•	Sensory cortex
•	Hypothalamus
•	Corpus Callosum
•	Cerebellum

Hypothalamus

The chemical messengers released into the spatial junctions between neurons are called:

•	Hormones
•	Neurotransmitters
•	Synapses
•	Genes
•	Glial cells

Neurotransmitters

An all-or-none response pattern is characteristic of the:

•	Initiation of neural impulses
•	Release of endorphins into the central nervous system
•	Release of hormones into the bloodstream
•	Activation of either the sympathetic or the parasympathetic system
•	Inheritance of behavior predispositions

Initiation of neural impulses

Opiate drugs occupy the same receptor sites as:

•	ACh
•	Serotonin
•	Endorphins
•	Dopamine
•	Epinephrine

Endorphins