Ch.1 Intro to Neuro (Quiz)

Question 1

1. Which of these statements about glia is NOT true?
   A. Glia outnumber neurons by at least 10 to 1.
   B. Radial glia guide neurons as they migrate.
   C. Microglia are most commonly found in the PNS.
   D. Glia are critical to maintaining the blood-brain barrier.

Answer 1

C. Microglia are most commonly found in the PNS.

Question 2

2. When the brain is viewed as slices from ear-to-ear so that the front is separated from the back, it is called the ________.
   A. sagittal plane
   B. coronal plane
   C. horizontal plane
   D. midsagittal plane

Answer 2

B. coronal plane

Question 3

3. Which two of the following four roles are carried out by the cerebrospinal fluid?
   A. Protection and cushioning of the brain.
   B. Produces enzymes.
   C. Synthesizes neurotransmitters.
   D. Allows nutrients from the blood to reach nerve cells.

Answer 3

A. Protection and cushioning of the brain.

D. Allows nutrients from the blood to reach nerve cells.

Question 4

4. Which two of the following four functions below are controlled by the medulla?
   A. Respiration.
   B. Appetite.
   C. Temperature.
   D. Heart rate.

Answer 4

A. Respiration.

D. Heart rate.

Question 5

5. Which two of the following four describe roles of the midbrain?
   A. Controlling eating and drinking.
   B. Sound localization.
   C. Secreting hormones.
   D. Perceiving large moving objects in the periphery.

Answer 5

B. Sound localization.

D. Perceiving large moving objects in the periphery.

Question 6

6. Which structure below is NOT part of the limbic system?
   A. Amygdala.
   B. Cingulate cortex.
   C. Auditory cortex.
   D. Hippocampus

Answer 6

C. Auditory cortex.

Question 7

7. Which fissure in the cerebral cortex separates each hemisphere of the brain in the anterior-posterior dimension?
   A. The central fissure.
   B. The Sylvian fissure.
   C. The longitudinal fissure.
   D. The cerebral fissure.

Answer 7

A. The central fissure.

Question 8

8. The action potential is first produced at the ________.
   A. axon hillock
   B. dendritic tree
   C. cell body
   D. blood-brain barrier

Answer 8

A. axon hillock

Question 9

9. Which following is NOT one of the dopaminergic subsystems?
   A. Mesolimbic.
   B. Mesocortical.
   C. Nigrostriatal.
   D. Mesostriatal.

Answer 9

D. Mesostriatal.

Question 10

10. If a person cannot detect dark and light in their left visual field, they most likely have damage to ________.
    A. the left eye
    B. the right eye
    C. the left occipital cortex
    D. the right occipital cortex

Answer 10

D. the right occipital cortex