EBK ESSENTIALS OF HUMAN ANATOMY & PHYSI
11th Edition
ISBN: 9780133987010
Author: Marieb
Publisher: VST
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Chapter 13, Problem 20SAE
Summary Introduction
To review:
The two main brain areas associated with the nervous control of breathing.
Introduction:
Medulla and pons are the major brain areas dedicated to the nervous regulation of breathing. These two nervous centers contain breathing centers that control the movement of diaphragm and external intercostal muscles. These regions control the rhythm of breathing.
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1) During alveolar HYPERventilation, levels of blood CO2 drop while blood O2 is elevated. What reflexive responses will this stimulate from the CPG?
a) Increased DRG and VRG activity in the medulla, stimulating I and E motor neurons.
b) Decreased DRG and VRG activity in the medulla, stimulating I and E motor neurons.
c) Decreased DRG and VRG activity in the medulla, inhibiting I and E motor neurons.
d) Increased DRG and VRG activity in the medulla, inhibiting I and E motor neurons.
Which brain stem respiratory area is thought to generate the respiratory rhythm?
State the names and locations of the three pairs of brainstem nuclei that regulate the respiratory rhythm. What role does each one play?
Chapter 13 Solutions
EBK ESSENTIALS OF HUMAN ANATOMY & PHYSI
Ch. 13 - Prob. 1MCCh. 13 - Prob. 2MCCh. 13 - Prob. 3MCCh. 13 - Prob. 4MCCh. 13 - Prob. 5MCCh. 13 - Prob. 6MCCh. 13 - Prob. 7MCCh. 13 - Identify the respiratory structure which are...Ch. 13 - Prob. 9SAECh. 13 - 10. Why is it important that the trachea be...
Ch. 13 - Prob. 11SAECh. 13 - Prob. 12SAECh. 13 - Prob. 13SAECh. 13 - Identify the structural properties of alveoli that...Ch. 13 - Explain, giving examples, the difference between...Ch. 13 - Prob. 16SAECh. 13 - Prob. 17SAECh. 13 - Prob. 18SAECh. 13 - Prob. 19SAECh. 13 - Prob. 20SAECh. 13 - Prob. 21SAECh. 13 - Prob. 22SAECh. 13 - Explain why surfacrant is able to ensure that we...Ch. 13 - 24. Compare and contrast the signs and symptoms of...Ch. 13 - Prob. 25CAQCh. 13 - Why doesn’t Laney have to worry when her...Ch. 13 - 28. Mr. Alvarez bumped a bee’s nest while making...Ch. 13 - What are the respiratory problems a person living...Ch. 13 - Prob. 29CAQCh. 13 - Prob. 30CAQ
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- List and identify the functions of the chemoreceptors that contribute to the control of breathing.arrow_forwardIdentify the section of the respiratory pathway that is in the correct order if the indivudal is inhaling oxyen (A) larynx, laryngopharynx, trachea (B) bronchioles, terminal bronchioles, respiratory bronchioles (D) nasopharynx, laryngopharynx, oropharynx (E) primary bronchii, carina, secondary bronchiiarrow_forwardHeart rate is controlled by the SA node, a patch of cells on the heart. Respiratory rate, on the other hand, is controlled by the respiratory center of the medulla oblongata. Why isn’t control of respiratory rate housed in the lungs themselves? (hint: think of muscles involved in each process.arrow_forward
- Explain how the cerebral cortex and limbic system canexert control over ventilation. What is apnea?arrow_forwardWhich one of the following is a possibility for most of us in regard to breathing, by making a conscious effort? (a) One can breathe out air totally without oxygen. (b) One can breathe out air through Eustachian tube by closing both nose and mouth. (c) One can consciously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all. (d) The lungs can be made fully empty by forcefully breathing out all air from them. (Mains 2011)arrow_forwardWhat is Neural Generation of Rhythmic Breathing?arrow_forward
- Describe the respiratory areas of the brainstem andhow they produce a rhythmic pattern of ventilation.arrow_forwardThe ventral respiratory group functions in Choose from the following: (A) normal inspiration / forced expiration (B) forced inspiration / passive expiration (C) forced inspiration / forced expirationarrow_forwardWhen an asthma inhaler provides relief for bronchoconstriction,is it mimicking sympathetic or parasympathetic stimulation?arrow_forward
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