physiology 1 medium yield

Describe the structural difference between a pseudounipolar neuron and a multipolar neuron.

Answer:

Pseudounipolar neuron
One short process that splits into two branches

Multipolar neuron
One axon and multiple dendrites

5. Which type of neuron carries information from a receptor to the CNS?

Answer:
Sensory neuron

6. What is the role of an interneuron, and where are they located?

Answer:
Interneurons connect neurons and process information
They are located in the CNS

12. Compare electrical and chemical synapses.

Answer:

Electrical synapse
Very fast
Bidirectional
Small synaptic gap

Chemical synapse
Slower
Unidirectional
Uses neurotransmitters

16. Match the cerebral lobes with their primary functions.

Answer:

Frontal lobe
Movement and decision making

Parietal lobe
Touch and sensation

Temporal lobe
Hearing and memory

Occipital lobe
Vision

17. What is hemispheric lateralization?

Answer:
Specialization of each hemisphere for different functions

Example:

Left hemisphere
Language and mathematics

Right hemisphere
Spatial awareness

25. Identify the origin and primary function of the following descending tracts.

Answer:

Reticulospinal tract
Maintains posture

Rubrospinal tract
Controls flexor muscles

Vestibulospinal tract
Maintains balance