MSN Exam for Neurological System Part II

Practice Mode – Questions and choices are randomly arranged, the answer is revealed instantly after each question, and there is no time limit for the exam.

Exam Mode – Questions and choices are randomly arranged, time limit of 1min per question, answers and grade will be revealed after finishing the exam.

Text Mode – Text version of the exam

1. Oligodendrocytes are located in the _____.

1. PNS
2. CNS

2. Schwann cells are located in the _____.

1. PNS
2. CNS

3. Which of the following types of cells is the most common in the CNS?

1. Astrocytes
2. Oligocytes
3. Neurocytes
4. Celiac cells

4. Which of the following is a regulatory protein in the cytoplasm that helps the processes at the synapse?

1. Calmodulin
2. Protein kinase
3. Ligand
4. Gap protein

5. Myasthenia gravis is due to ____ receptors being blocked and destroyed by antibodies.

1. Epinephrine
2. Nicotinic
3. Acetylcholine
4. Transient

6. The primary effect of cocaine on the nervous system is that cocaine blocks the re-uptake of ____.

1. Monoamines
2. Transamines
3. Catecholamine
4. Monoamine oxidase

7. Which of the following amino acids can function as a neurotransmitter in the CNS?

1. Leucine
2. Glutamic acid
3. Lysine
4. Valine

8. Huntington’s chorea has been linked with a deficiency in the amino acid ______.

1. Lysine
2. GABA
3. Valine
4. Tyrosine

9. Which of the following is not considered a monoamine?

1. Epinephrine
2. Norepinephrine
3. Dopamine
4. Adenosine

10. Which of the following is not considered a catecholamine?

1. Dopamine
2. Norepinephrine
3. Serotonin
4. Epinephrine

11. Excessive polarization due to GABA is created due to the opening of ____ channels.

1. Ca++
2. Cl-
3. K+
4. Na+

12. Valium has an effect on ____ to inhibit neural transmission.

1. Epinephrine
2. Norepinephrine
3. GABA
4. Dopamine

13. The drug ____ blocks the reuptake of serotonin into presynaptic axons.

1. Prozac
2. Valium
3. Xanax
4. Deprenyl

14. Which of the following toxins blocks Sodium Channels?

1. Srychnine
2. Neostigmine
3. Tetrodotoxin
4. Curare

15. Clostridium botulinum releases this enzyme that destroys peptide bonds.

1. Amylase
2. Endopeptidases
3. Exopeptidases
4. Protein kinase

16. Multiple sclerosis is a disease that attacks the _______ of neurons in the CNS.

1. Myelin sheaths
2. Axon terminals
3. Sodium channels
4. Nicotinic receptors

17. Which of the following is not considered a type of synapse?

1. Dendrodendritic
2. Axosomatic
3. Axoaxonic
4. Denoaxonic

18. The progression of a nerve impulse with the nodes of Ranvier is called _______.

1. Saltatory conduction
2. Transmission
3. Unmyelinated conduction
4. Relative conduction

19. Supporting cells located within the CNS are collectively called _____.

1. Neuroglia
2. Astrocytes
3. Perikaryon
4. Satellite cells

20. Which of the following types of cells line the ventricles and spinal cord?

1. Astrocytes
2. Schwann cells
3. Ependymal cells
4. Oligodendrocytes

Answers

1. B. CNS 
2. A. PNS 
3. A. Astrocytes 
4. A. Calmodulin
5. C. Acetylcholine 
6. A. Monoamines 
7. B. Glutamic acid 
8. B. GABA
9. D. Adenosine
10. C. Serotonin
11. B. Cl- 
12. C. GABA 
13. A. Prozac 
14. C. Tetrodotoxin
15. B. Endopeptidases
16. A. Myelin sheaths 
17. D. Denoaxonic 
18. A. Saltatory conduction 
19. A. Neuroglia 
20. C. Ependymal cells