Basal Ganglia and Dopamine Pathways

Question 1

The _____ are a group of interconnected nuclei linked to the thalamus in the base of the brain and involved in coordination of movement, and are part of the extrapyramidal motor system.

Answer 1

Basal ganglia

Question 2

Pyramidal motor system is (hierarchical OR non-hierarchical)?

Answer 2

Hierarchical

Question 3

Extrapyramidal motor system is (hierarchical OR non-hierarchical)?

Answer 3

Non-hierarchical

Question 4

Pyramidal and extrapyramidal motor system are independent.

Answer 4

FALSE!

Question 5

A lesion in the (pyramidal motor system OR extrapyramidal motor system) results in paralysis and spasticity.

Answer 5

Pyramidal motor system

Question 6

A lesion in the (pyramidal motor system OR extrapyramidal motor system) results in involuntary movements, muscular rigidity, and immobility.

Answer 6

Extrapyramidal motor system

Question 7

Lesion of the ____ dopamine system results in Parkinsonian syndrome.

Answer 7

Nigrostriatal

Question 8

Parkinson’s disease is a ____ disorder.
A. Hypokinetic
B. Hyperkinetic

Answer 8

A. Hypokinetic

Question 9

Huntington’s disease is a _____ disorder.
A. Hypokinetic
B. Hyperkinetic

Answer 9

B. Hyperkinetic

Question 10

Parkinson’s disease results in ______.
A. Hyperkinetic and hypertonic motor symptoms.
B. Hyperkinetic and hypotonic motor symptoms.
C. Hypokinetic and hypotonic motor symptoms.
D. Hypokinetic and hypertonic motor symptoms.

Answer 10

D. Hypokinetic and hypertonic motor symptoms.

Question 11

Huntington’s disease results in ______.
A. Hyperkinetic and hypertonic motor symptoms.
B. Hyperkinetic and hypotonic motor symptoms.
C. Hypokinetic and hypotonic motor symptoms.
D. Hypokinetic and hypertonic motor symptoms.

Answer 11

B. Hyperkinetic and hypotonic motor symptoms.

Question 12

________ has decreased basal ganglia output and increased excitatory input to cortex.
A. Huntington’s disease
B. Parkinson’s disease

Answer 12

A. Huntington’s disease

Question 13

________ has increased basal ganglia output and decreased excitatory input to cortex.
A. Huntington’s disease
B. Parkinson’s disease

Answer 13

B. Parkinson’s disease

Question 14

This disease is an inherited genetic disorder that occurs earlier in life.
A. Huntington’s disease
B. Parkinson’s disease

Answer 14

A. Huntington’s disease

Question 15

_____ is an inherited genetic disorder that results from damage to lenticular nucleus, is characterized by progressive rigidity and intention tremor, and is associated with hepatic cirrhosis and hepatitis.

Answer 15

Wilson’s disease