Unit 6- Nervous System Test

Which division of the nervous system is responsible for sending signals from the eyes to the brain?

• somatic

• afferent

• efferent

• sympathetic

Which portions of the neuron above would be part of a synapse?

• A & B

• B & C

• A & D

• C & D

The structure in the picture above that receives the signals from another neuron is

• A

• B

• C

• D

Which of the following types of neuroglia would be involved in producing the structure labeled C in the picture above?

• microglia

• oligodendrocytes

• ependymal cells

• astrocytes

During the transmission of an action potential across a synapse, Ca²⁺ channels open e triggering the synaptic vesicles to release _______ to pass the signal to the postsynaptic neuron.

• Na²⁺

• action potentials

• receptors

• neurotransmitters

The brainstem is comprised of all the following EXCEPT

• midbrain

• cerebellum

• medulla oblongata

• pons

Use the diagram above to answer the following question:

The lobe of the cerebrum that’s responsible for decision-making and reasoning is represented by which number?

• 13

• 7

• 2

• 6

Use the diagram above to answer the following question:

The bundle of nerves connecting the left and right hemispheres of the brain is called the ____________________

and is represented by number ____________on the diagram above.

• corpus callosum; 5

• longitudinal fissure; 15

• midbrain; 15

• lateral fissure; 4

Which portion of the brain is the second largest and is responsible for coordinating the movements of the body so they are graceful and efficient?

• 18

• 1

• 3

• 7

The bridge between the cerebrum and cerebellum is known as the________.

• spinal cord

• pons

• midbrain

• medulla oblongata