EBK BIOLOGY
10th Edition
ISBN: 8220100474729
Author: Martin
Publisher: Cengage Learning US
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Chapter 42, Problem 4TYU
Summary Introduction
Introduction: Brain is divided into different parts that perform different functions in the neural system of the body. Some parts are associated with maintaining posture, while other parts are involved in maintaining the biological clock of the body. This biological clock is responsible for maintaining the periodic activities in the body. Specific area of the brain is responsible for proper working of this biological clock. When a person moves from one location to another, the brain takes some time to reset the body’s biological clock according to the new atmosphere.
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Briefly describe our brain's mesolimbic dopamine system.
(A) Which brain structures are involved in this system?
(B) What type of behavior does it regulate?
(C) Even though social media (or video games and the like) isn't something ingested, do you think this system is involved in our social media behavior? Or do you think something else is involved?
Please provide a brief, but specific response. Answer as much as you can please!!!!!!! Thank you!!!!!!
Which of the following is NOT a functional or structural change that occurs in the mesocorticolimbic dopamine system as a result of exposure to addictive drugs?
A) Decreased baseline levels of dopamine activity, causing a decreased response to normal rewarding stimuli.
B) Neural plasticity in response to drugs and drug-related stimuli decreases.
C) Potentiation of synapses between glumate-releasing neurons and dopamine-releasing neurons in the VTA.
D) Increased dendrite length and greater synaptic complexity in the nucleus accumbens and prefrontal lobes.
The most important reward circuit in the brain is the mesolimbic pathway. Dopaminergic neurons originate in the _____ and connect to the _____ and other structures.
A) hippocampus; amygdala
B) amygdala; prefrontal cortex
C) ventral tegmental area (VTA); nucleus accumbens
D) nucleus accumbens; prefrontal cortex
Chapter 42 Solutions
EBK BIOLOGY
Ch. 42.1 - Prob. 1LOCh. 42.1 - Identify trends in the evolution of invertebrate...Ch. 42.1 - Prob. 1CCh. 42.1 - Prob. 2CCh. 42.1 - What are some advantages of cephalization?Ch. 42.2 - Prob. 3LOCh. 42.2 - Prob. 1CCh. 42.2 - Describe the functions of each component of the...Ch. 42.3 - Prob. 4LOCh. 42.3 - Prob. 1C
Ch. 42.3 - Prob. 2CCh. 42.4 - Prob. 5LOCh. 42.4 - Prob. 6LOCh. 42.4 - Prob. 7LOCh. 42.4 - Prob. 8LOCh. 42.4 - Prob. 9LOCh. 42.4 - Prob. 1CCh. 42.4 - What are two main functions of the vertebrate...Ch. 42.4 - Prob. 3CCh. 42.4 - What role does the limbic system play in emotions?...Ch. 42.4 - In what ways does your success on a biology exam...Ch. 42.5 - Describe the organization of the peripheral...Ch. 42.5 - Prob. 11LOCh. 42.5 - Prob. 1CCh. 42.5 - Prob. 2CCh. 42.6 - Prob. 12LOCh. 42.6 - Prob. 1CCh. 42 - Test your Understanding Know and Comprehend A...Ch. 42 - Which part of the vertebrate brain maintains...Ch. 42 - The main association area in the amphibian brain...Ch. 42 - Prob. 4TYUCh. 42 - Prob. 5TYUCh. 42 - Prob. 6TYUCh. 42 - Prob. 7TYUCh. 42 - Test Your Understanding 8. VISUALIZE Label the...Ch. 42 - Prob. 9TYUCh. 42 - Prob. 10TYUCh. 42 - Prob. 11TYUCh. 42 - EVOLUTION LINK CREB has been shown to be a...Ch. 42 - Prob. 13TYU
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- . A classmate claims that when an organism is scared, the brain tries to prepare the body to run away. How does the evidence provided support this argument? (a) An increased heart rate means that the organism is paying more attention to their surroundings (b) The brain is telling the heart to beat faster, sending more oxygen to the muscles (c) The brain tries to calm the body down so that it doesn’t hyperventilate and faint (d) The brain is telling the eyes to see better, so the organism can find an escape routearrow_forwardXavier, 16, invites a group of his high school friends to swim in a neighbor's pool late at night while that neighbor is away. They climb the fence and jump in, playing wildly and loudly in the water. Just a few minutes later, the police arrive. How does adolescent brain development help explain Xavier's poor decision-making? A. The regions regulating his emotions are underdeveloped. B. His limbic system is underdeveloped. C. His prefrontal cortex is underdeveloped. D. His amygdala is underdevelopedarrow_forwardHow does sleep help protect health? Select all that apply. A)Sleep gives the body time to repair damage. B)Sleep helps balance hormones related to hunger. C)Sleep boosts immune system activity. D)Sleep increases appetite so people get enough nutrients.arrow_forward
- Activation of the parasympathetic branch of theautonomic nervous system(A) increases heart rate.(B) enhances digestion.(C) triggers release of epinephrine.(D) causes conversion of glycogen to glucose.arrow_forwardWhich of the following describe the myelination of the nervous system correctly? Please select all that apply. A) Caudal structures are myelinated before rostral structures. B) Myelination of the human central nervous system is not complete until around the age of 25 years. C) Sensory systems are myelinated before motor systems in the cerebral cortex. D) Myelination at different ages is not very predictive of behavioral differences.arrow_forwardWhich of the following brain regions is not correctly matched to itsfunction?a. The medulla oblongata regulates heartbeat, breathing, and bloodpressure.b. The cerebellum coordinates voluntary muscle movements.c. The thalamus secretes melatonin, which regulates daily bodyrhythms.d. The midbrain acts as a refl ex center for visual, auditory, andtactile responses.arrow_forward
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