Question 1

Drugs that block neurotransmitter activity are called

Accepted Answer

A)  agonists.
B)  antagonists.
C)  excitatory.
D)  reuptake inhibitors. B

Question 2

An area of damage in the brain is called a(n)

Accepted Answer

A)  wound.
B)  lesion.
C)  stereotoxic infiltration.
D)  invasive cortical manifestation. B

Question 3

The main inhibitory neurotransmitter in the nervous system is

Accepted Answer

A)  glutamate.
B)  GABA.
C)  acetylcholine.
D)  serotonin. B

Question 4

Luisa is diagnosed with a medical disorder caused by too much dopamine activity in certain brain regions.Her doctor is likely to prescribe a dopamine ________________ to treat her.

Accepted Answer

A)  reuptake inhibitor.
B)  stimulator.
C)  agonist.
D)  antagonist.

Question 5

The most basic units of heredity that regulate development and physiological processes are called

Accepted Answer

A)  proteins.
B)  genes.
C)  phenotypes.
D)  amino acids.

Question 6

The __________ speeds up the passage of electrical messages by acting as an insulator of the neuronal signal.

Accepted Answer

A)  blood-brain barrier
B)  terminal button
C)  myelin
D)  synaptic vesicles

Question 7

Tourette's syndrome-a condition marked by erratic and repetitive facial and muscle movements (called tics)and frequent noise making such as grunting,snorting,or sniffing-is believed to be caused by an imbalance in the

Accepted Answer

A)  hippocampus.
B)  medulla.
C)  basal ganglia.
D)  thalamus.

Question 8

A researcher implants an electrode in a rat's brain,and then wires the electrode so that it stimulates a specific brain region every time the rat presses a lever.The rat finds the stimulation so rewarding that it does nothing but press the lever all day.Which of the following brain regions does the electrode most likely stimulate?

Accepted Answer

A)  nucleus accumbens
B)  amygdala
C)  cerebellum
D)  thalamus

Question 9

Kalika is told by her physician that her symptoms are caused by a loss of myelin.Her diagnosis would most likely be

Accepted Answer

A)  Parkinson's disease.
B)  multiple sclerosis.
C)  early stage Alzheimer's disease.
D)  epilepsy.

Question 10

Our genetic code usually determines whether we have typically male or female bodies.Occasionally however,individuals are born who are genetically male,but who physically appear female.These children are ______________ male,but __________________ female.

Accepted Answer

A)  heterozygous;homozygous
B)  homozygous;heterozygous
C)  phenotypically;genotypically
D)  genotypically;phenotypically

Question 11

A functional MRI (fMRI)measures

Accepted Answer

A)  structures of the brain.
B)  structural detail of various structures.
C)  the release of energy from water in biological tissue.
D)  the flow of blood within the brain.

Question 12

What type of cell in the nervous system is responsible for mounting immune responses in the brain,removing wastes,and is found in myelin?

Accepted Answer

A)  endorphins
B)  epithelial cell
C)  glial cell
D)  neuron

Question 13

A researcher is studying factors that influence political philosophy (conservative or liberal).She finds that adopted children are more likely to share their political philosophy with their adoptive parents than their biological parents.Which of the following should she conclude?

Accepted Answer

A)  Genes have no influence on political philosophy.
B)  Adoptive parents are more likely to be liberal.
C)  Political philosophy has high heritability.
D)  Political philosophy has low heritability.

Question 14

Which lobes are involved in hearing,language,and object and face recognition?

Accepted Answer

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

Question 15

"Ewww!" says TJ when he sees an actual human brain on display at the science museum,"I didn't realize how convoluted and wrinkly it would be." Because he can only see the outer layer of the brain,TJ is actually describing just the

Accepted Answer

A)  cerebral cortex.
B)  tectum.
C)  limbic system.
D)  basal ganglia.

Question 16

The part of the brain dedicated to emotion and memory is the

Accepted Answer

A)  endocrine system.
B)  limbic system.
C)  reticular formation.
D)  lymphatic system.

Question 17

The two main divisions of the nervous system are the __________ and the __________.

Accepted Answer

A)  brain;spinal cord
B)  autonomic;somatic nervous systems
C)  peripheral nervous system;central nervous system
D)  glands;muscles

Question 18

Which technique for investigating the function of brain regions is similar to lesioning,but has no ill effects?

Accepted Answer

A)  TMS
B)  fMRI
C)  PET scan
D)  MEG

Question 19

What do we call the state of a neuron when it is not transmitting or receiving messages?

Accepted Answer

A)  action potential
B)  resting potential
C)  neutral period
D)  refractory period

Question 20

After neurotransmitter molecules are released,they may be broken down by enzymes,or they may be re-absorbed back into the axon,a process known as

Accepted Answer

A)  inhibition.
B)  neurogenesis.
C)  refraction.
D)  reuptake.

Exam 3: B: Biological Psychology