Brain And Behavior Exam 2

63 Questions | By Ekanye | Updated: Mar 21, 2022 | Attempts: 1184

Questions

Settings

Feedback

During the Quiz End of Quiz

Play as

Quiz Flashcard

Create your own Quiz

This is questions over chapter 4-6 and also includes some practice questions you can take the quiz as much as you like. . . Good luck

Questions and Answers

1.

Which of the following is a pure compound derived from poppies?
- A.
  
  Opium
- B.
  
  Dynorphin
- C.
  
  Enkephalin
- D.
  
  Morphine
2.

If a newly developed drug is found to bind to dopamine receptors but does not activate them, the drug is classified as a(n)
- A.
  
  Antagonist
- B.
  
  Ligand
- C.
  
  Prototype
- D.
  
  Agonist
3.

A major site of origin of projections using the transmitter norepinephrine is the
- A.
  
  Locus coeruleus
- B.
  
  Raphe nucleus
- C.
  
  Basal forebrain
- D.
  
  Substantia nigra
4.

Steroid hormones typically exert their effects by
- A.
  
  Activating second messengers
- B.
  
  Directly releasing synaptic transmitters
- C.
  
  Altering ion permeability of cells
- D.
  
  Binding to intracellular receptors
5.

The posterior pituitary
- A.
  
  Contains the cell bodies of oxytocin neurosecretory cells
- B.
  
  Contains the axon terminals of vasopressin neurosecretory cells
- C.
  
  Releases its horomones into the hypothalamic-pituitary portal system
- D.
  
  Is regulated by releasing factors from the hypothalamus
6.

Which of the following are two names for classes of hormones
- A.
  
  Lipophilic and lipotropic
- B.
  
  Protein and steroid
- C.
  
  Transcriptional and translational
- D.
  
  Iontropic and Metabotropic
7.

Which of the follwoing hominids emerged first in the course of evolution?
- A.
  
  Homo habilis
- B.
  
  Australopithecus
- C.
  
  Homo sapiens
- D.
  
  Homo erectus
8.

Increasing the expression of the gene for B- catenin in transgenic mice produces which of the following?
- A.
  
  Smooth cortex
- B.
  
  Highly folded cortex
- C.
  
  Increase in size of frontal cortex
- D.
  
  Decrease in size of frontal cortex
9.

The streamlined body forms of the tuna and the dolphin provide an example of
- A.
  
  Analogy
- B.
  
  Homology
- C.
  
  Homoplasy
- D.
  
  Tautology
10.

Phencyclidine (PCP) acts on receptors that normally respond to the neurotransmitter
- A.
  
  Acetylcholine
- B.
  
  Dopamine
- C.
  
  Glutamate
- D.
  
  Serotonin
11.

The discovery that the brain contains specific receptors for manufactured opiate drugs, such as morphine, implies that the body must make an______ substance to interact with the same receptors
- A.
  
  Exogenous
- B.
  
  Endogenous
- C.
  
  Excitatory
- D.
  
  Extemporaneous
12.

The first endogenous opiates to be discovered were the
- A.
  
  Amphetamines
- B.
  
  Cannabinoids
- C.
  
  Endorphins
- D.
  
  Enkephalins
13.

What is the appropriate technique for visualizing the location of receptors within cells?
- A.
  
  Immunocytochemistry
- B.
  
  Radioimmunoassay
- C.
  
  Up-regulation
- D.
  
  Down- regulation
14.

Hormonal messages can be generally described as
- A.
  
  Digital
- B.
  
  All-or-none
- C.
  
  Analog
- D.
  
  High-threshold responses
15.

Steroid hormones are derived from
- A.
  
  Protein
- B.
  
  Thiamine
- C.
  
  Cholesterol
- D.
  
  Acetylcholine
16.

The current system that is used for classifying animals were originated by
- A.
  
  Carolus Linnaeus
- B.
  
  Alfred Russel Wallace
- C.
  
  Charles Darwin
- D.
  
  Jean-Baptiste de Lamarck
17.

On a graph in which brain weight is related to body weight using log scales, the line that best describes the relatioship in mammals has a slop of about
- A.
  
  0.5
- B.
  
  0.6
- C.
  
  0.7
- D.
  
  0.8
18.

The brain of the modern chimpanzee is about the same size as the brain of
- A.
  
  Australopithecus
- B.
  
  Homo habilis
- C.
  
  Homo erectus
- D.
  
  None of the above
19.

Which fo the following is not part of the amine subtype of small-moeluce neurotransmitters?
- A.
  
  Norepinephrine
- B.
  
  Serotonin
- C.
  
  Dopamine
- D.
  
  Glycine
20.

If a newly developed drug is found to bind to serotonin receptors and activate them, the drug is classified as
- A.
  
  An agonist
- B.
  
  An antagonist
- C.
  
  A prototype
- D.
  
  A ligand
21.

Down-regualtion is the process by which?
- A.
  
  An excessive amount of a drug is avaliable to the recptor over a period of time, causing an increase in the receptor sites that can be counted
- B.
  
  There is an increase in the effectiveness of endogenous neurotransmitters
- C.
  
  An excessive number of transmitter molecules are available to the receptor over a period of time, causing a decrease in the receptor sites that can be counted
- D.
  
  There is a decrease in thea mount of drug necessary for regulation of normal functioning
22.

Which of the following structures does not contain cholinergic nerve cell bodies and projections?
- A.
  
  Nucleus basalis
- B.
  
  Raphe nucleus
- C.
  
  Pedunculopntine nucleus
- D.
  
  Medial spetal nucleus
23.

The dose at which a drug has a half-maximal reponse is termed the
- A.
  
  LD 50
- B.
  
  ED 50
- C.
  
  Therapeutic dose
- D.
  
  Saturated dose
24.

As a consequence of repeated use of drug, larger and larger doses of the drug may be nencessary in order to achieve the same effect. This is a consequence of the development of
- A.
  
  Tolerance
- B.
  
  Sensitization
- C.
  
  Withdrawal
- D.
  
  Cross-tolerance
25.

A major site of origin of projections using the neurotransmitter dopamine is the
- A.
  
  Raphe nucleus
- B.
  
  Locus coeruleus
- C.
  
  Substantia nigra
- D.
  
  Basal forebrain