Question 1
Which of the following can be used as a transneuronal tracer (a tracer that labels multiple neurons in series)?
Pseudorabies virus
Kainic acid
Golgi staining
Fos protein
5 points
Question 2
Researchers using CT or MRI ____________________.
do not have to obtain permission from either the patient or the family.
can study the living brain without operating on the patient.
must first anesthetize the patient.
must first shave the patient's head.
5 points
Question 3
________ is used to produce an excitotoxic lesion in brain.
Radiofrequency current
Hydrochloric acid
6-hydroxydopamine
Kainic acid
5 points
Question 4
________ labeling involves injecting something that is taken up by the cell bodies and transported down the axon toward the terminal.
Histograde
Anterograde
Retrograde
Nuclear
5 points
Question 5
Which of the following is NOT an implication of the ablation technique?
The interpretation of the results from a lesion study is straightforward.
Ablation studies indicate which brain region is responsible for a specific behavior.
Investigators infer the function of a brain area by the changes in behavior that occur after ablation of the region.
Lesions can be produced by removing brain tissue.
5 points
Question 6
_______ is a nuclear protein produced when neurons are activated.
fos
glycine
Kainic acid
GABA
5 points
Question 7
Immunocytochemical methods are used to ____________________.
selectively destroy axons.
inhibit fast axoplasmic transport.
locate peptides and proteins.
provide a view of a "slice" of the human brain.
5 points
Question 8
The concept of concordance ____________________.
Is shown when two twins exhibit the same trait.
Is shown when a trait is different between two twins
Is apparent when the results of 2 studies are similar.
Implies that genetics are not important for understanding human behavior.
5 points
Question 9
Which of the following techniques is commonly used to examine the metabolic activity of human brain?
Fos labeling.
Labeling with PHA-L.
Autoradiography.
Position emission tomography.
5 points
Question 10
Which of the following would be used to implant an electrode into rat brain?
Radiofrequency device
Microdialysis probe assembly
Electroelecording instrument
Stereotaxic instrument.
5 points
Question 11
The metabolic activity in the brain of a laboratory animal can be measured by giving an injection of _____ and analyzing the results using _____.
saline; electroencephalography
Fos; a PET scanner
fluorogold; in situ hybridization
2-DG; autoradiography
5 points
Question 12
A fixative performs all these functions except ____________________.
hardening tissue.
halting autolysis.
attaching tissue to a microscope slide.
killing destructive microorganisms.
5 points
Question 13
A substance that produces a color reaction within cytoplasmic proteins of a neuron would be expected to stain:
Synapses.
Vesicles.
Cell bodies.
Axon terminals.
5 points
Question 14
Which of the following would be used to stain cell bodies in a brain tissue section?
PHA-L.
Cresyl violet.
Formaldehyde.
Fluorogold.