NU551 Unit 5 Midterm Questions and Correct Answers/ Latest Update / Already Graded

Page |1


NU551 Unit 5 Midterm Questions and
Correct Answers/ Latest Update / Already
Graded
Somatic nervous system function

Ans: Controls skeletal muscle


Fastest conducting axons

Ans: Large diameter, myelinated axons


Microglia function

Ans: Clear debris and provide immune defense in the CNS


EPSPs effect on neuron

Ans: Move membrane potential toward threshold; neuron is
facilitated


Reticular Activating System (RAS) function

Ans: Regulates wakefulness and alertness


Prefrontal cortex function
All rights reserved © 2025/ 2026 |

, Page |2


Ans: Controls thinking, judgment, and concentration


Broca area function

Ans: Motor aspect of speech production


Occipital lobe function

Ans: Primary visual cortex


Hypothalamus function

Ans: Regulates homeostasis and instinctive behaviors


Corpus callosum function

Ans: Major fiber tract connecting the two cerebral hemispheres


Medulla oblongata function

Ans: Controls heart rate, blood pressure, and vital reflexes


Reticular formation function

Ans: Influences respiratory patterns

All rights reserved © 2025/ 2026 |