Formative Quiz on Basal Ganglia and Diencephalon

1.    The thalamus is derived from which embryological component:

• Prosencephalon

• Diencephalon

• Mesencephalon

• Rhombencephalon

2.    The neurotransmitter produced by the pars compacta of the substantia nigra:

• Serotonin

• Acetylcholine

• Norepinephrine

• Dopamine

3. Refers to slow involuntary writhing motions:

• Athetosis

• Bradykinesia

• Chorea

• Akinesia

4. Which is not a characteristic of hemiballismus?

• Sustained involuntary contractions

• Violent motions

• Large amplitude motions

• Occurs on one side of the body

5.    The sensory modality that is served by the medial geniculate body:

• Vision

• Audition

• Taste

• Olfaction

6. Homeostasis is a main function of hypothalamus.  What does the anterior hypothalamic nucleus regulate?

• Hunger

• Sleep

• Diuresis

• Temperature

7. The lentiform nucleus is formed by the:

• Putamen and caudate nucleus

• Putamen and thalamus

• Putamen and globus pallidus

• Putamen and hypothalamus

8. Vasopressin is synthesized in which hypothalamic nuclei?

• Supraoptic nucleus

• Paraventricular nucleus

• Anterior hypothalamic nucleus

• Posterior hypothalamic nucleus

9. D-1 receptors participate in the direct loop.

• TRUE

• FALSE

10. D-1 receptors decrease thalamocortical excitation.

• TRUE

• FALSE