Deck 3: Web Quiz 2

Question 1

During an action potential,information is transmitted as an electrical signal primarily as a result of _____ charged _____ ions rushing into the cell.

A)positively;sodium
B)positively: potassium
C)negatively;sodium
D)negatively;potassium

Answer 1

positively;sodium

Question 2

The _____ lobe is located at the back of the cerebral cortex and is responsible for processing visual information.

A)temporal
B)frontal
C)occipital
D)parietal

Answer 2

occipital

Question 3

The benefit of using functional brain imaging techniques is that they allow researchers to:

A)observe dynamic activity in the brain during specific tasks.
B)produce static pictures of the brain that help locate damaged areas.
C)determine cause and effect relationships between the brain and behavior.
D)diagnose psychiatric illnesses.

Answer 3

observe dynamic activity in the brain during specific tasks.

Question 4

Tyler was shot in the head,and the bullet passed through his frontal lobe.Fortunately,Tyler survived.Tyler is MOST likely to find it hard to:

A)process information about touch.
B)have his body regulate blood pressure.
C)understand spoken language.
D)plan and be involved in decision making.

Question 5

Functional magnetic resonance imaging (fMRI):

A)measures the action potential of a single neuron.
B)detects the oxygenated hemoglobin in the brain.
C)directly measures neuronal events.
D)directly measures neural signals in the brain.

Question 6

The basic parts of a neuron are:

A)the cell body,the axon,and the synapse.
B)the cell body,the dendrites,and the synapse.
C)the cell body,the axon,and the dendrites.
D)the synapse,the axon,and the dendrites.

Question 7

Prozac works by:

A)causing neurons to produce less serotonin.
B)causing neurons to inhibit the release of serotonin into the synapse.
C)blocking the reuptake of serotonin from the synapse.
D)destroying enzymes that help secrete serotonin.

Question 8

The part of the brain that orients an organism in the environment is called the:

A)cerebellum.
B)medulla.
C)tectum.
D)pons.

Question 9

The three major types of neurons are:

A)sensory neurons,dendritic neurons,and motor neurons.
B)sensory neurons,motor neurons,and interneurons.
C)motor neurons,mirror neurons,and interneurons.
D)sensory neurons,motor neurons,and mirror neurons.

Question 10

A heritability index of 0 for a behavioral trait indicates that:

A)the brain has no role in the occurrence of that behavioral trait.
B)genetic variation is not responsible for the individual variation in the occurrence of the trait.
C)changing the environment will not change the likelihood that the trait will occur.
D)the trait is extremely common in a given population.

Question 11

Alexandria suffers from seizures.She is MOST likely to have low levels of the neurotransmitter:

A)gammaaminobutyric acid.
B)glutamic acid.
C)acetylcholine.
D)norepinephrine.

Question 12

The _____ nervous system is the subdivision of the peripheral nervous system responsible for lowering heart rate and respiration rate and diverting blood flow to the digestive system.

A)sympathetic
B)parasympathetic
C)somatic
D)central

Question 13

_____ is/are a section(s)on a strand of _____.

A)Genes;DNA
B)The pons;genes
C)Chromosomes;DNA
D)Chromosomes;genes

Question 14

If you are sleeping,stimulating which area of the brain can wake you instantaneously and keep you alert?

A)the hippocampus
B)the basal ganglia
C)the reticular formation
D)the cerebellum

Question 15

Jennifer forgets any new memory formed while she is distracted.Which region of her brain is MOST likely to show impairment?

A)the pituitary gland
B)the cerebellum
C)the tectum
D)the hippocampus