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Institution: Portage Learning
Course Code: BIOL 322
Course Title: Neuroscience
Exam: Module 6 Exams
Topic: Motivated Behaviors, Homeostasis, & Emotion
Edition: Updated Version
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, Module 6. Motivated Behaviors, Homeostasis, & Emotion
Question 1.
Using Below Image, Of Limbic System Structures In The Brain Names The Parts
Label 1, 2, 3, 4, 5, 6, 7 And Then Match Their Functions.
Choices:
-Hypothalamus
-Cingulate Gyrus
-Hippocampus
-Olfactory Bulb
-Thalamus
-Mamillary Body
-Amygdala
Function's:
A. - A Brain Structure Located Above The Nasal Cavity Beneath The Frontal Lobes
(Receives Smell Signals)
B. - Neurons That Act As A Relay Station, Transmitting Information Between Fornix And
Thalamus.
C. - A Strip Of Limbic Cortex Lying Along The Lateral Walls Of The Groove Separating
The Cerebral Hemispheres, Just Above The Corpus Callosum.
D. - A Neural Structure Lying Below The Thalamus; It Directs Several Maintenance
Activities (Eating, Drinking, Body Temperature), Helps Govern The Endocrine System
Via The Pituitary Gland, And Is Linked To Emotion And Reward.
E. - A Neural Center Located In The Limbic System That Helps Process Explicit
Memories For Storage.
,F. - The Brain's Sensory Switchboard, Located On Top Of The Brainstem; It Directs
Messages To The Sensory Receiving Areas In The Cortex And Transmits Replies To The
Cerebellum And Medulla.
G. - Two Lima Bean-Sized Neural Clusters In The Limbic System; Linked To Emotion.
ANS. AND MATCH:
1---- Cingulate Gyrus – C
2---- Thalamus – F
3---- Hypothalamus – D
4---- Mamillary Body – B
5---- Hippocampus – E
6---- Amygdala – G
7---- Olfactory Bulb – A
Explanation:
These Structures Are Associated With The Limbic System And Play Important Roles In
Emotion, Motivation, Memory, Sensory Processing, And Homeostatic Regulation.
Question 2.
What Are Motivated Behaviors?
ANS.
Voluntary Behaviors That Individuals Find Rewarding Or Pleasurable.
Explanation:
Motivated Behaviors Are Voluntary Actions That Are Driven By Rewards, Needs, Or
Pleasurable Outcomes.
Question 3.
What Is Homeostasis?
ANS.
The Maintenance Of The Body's Internal Environment Within A Physiological Range.
, Explanation:
Homeostasis Maintains Stable Internal Conditions Necessary For The Body To Function
Properly.
Question 4.
What Is The Role Of The Hypothalamus In Homeostasis?
ANS.
The Hypothalamus Is Important In Regulating Many Homeostatic Processes By
Responding To Sensory Input When A Deviation From The Homeostatic Set Point Is
Detected.
Explanation:
The Hypothalamus Monitors The Body's Internal Environment And Coordinates
Responses To Restore The Body Toward Its Normal Physiological Range.
Question 5.
Compare And Contrast The Humoral, Visceromotor, And Somatic Motor Responses.
Provide An Example Of How Each Responds To A Change In Homeostasis.
ANS.
Humoral Response:
Neurosecretory Cells Within The Hypothalamus Regulate The Release Of Pituitary
Hormones Into Circulation. The Bodily Fluid Is In Reference To The Blood Where The
Hormones Are Being Released.
Example:
The Hypothalamus Can Regulate The Release Of Pituitary Hormones Into The
Bloodstream In Response To A Change In Homeostasis.
Visceromotor Response:
Hypothalamic Neurons Adjust Sympathetic And Parasympathetic Activity To Regulate
Internal Organs.
Example:
The Hypothalamus Can Alter Autonomic Nervous System Activity To Regulate The
Function Of Internal Organs.