LooseLeaf for Human Anatomy
5th Edition
ISBN: 9781259285271
Author: Michael McKinley Dr., Valerie O'Loughlin, Elizabeth Pennefather-O'Brien
Publisher: McGraw-Hill Education
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Question
Chapter 25, Problem 13WYL
Summary Introduction
To compare:
The activities of the DRG and the VRG in the brain’s respiratory centers.
Introduction:
Regulatory respiratory centers are located within the reticular formation through both the medulla oblongata and the pons. Nuclei coordinate the skeletal muscles of breathing within the brainstem. These regulatory nuclei are contained specifically in the medullary respiratory center within the medulla oblongata and the pontine respiratory center within the pons.
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Describe three functions of the respiratory center in the brainstem.
Describe the respiratory areas of the brainstem andhow they produce a rhythmic pattern of ventilation.
Which brain stem respiratory area is thought to generate the respiratory rhythm?
Chapter 25 Solutions
LooseLeaf for Human Anatomy
Ch. 25 - Explain the functions carried out by the...Ch. 25 - Prob. 2WYLCh. 25 - What changes occur in inhaled gases as they travel...Ch. 25 - What is the function of the nasal conchae?Ch. 25 - How is swallowed food prevented from entering the...Ch. 25 - Prob. 6WYLCh. 25 - Prob. 7WYLCh. 25 - How do terminal and respiratory bronchioles differ...Ch. 25 - Prob. 9WYLCh. 25 - What is pulmonary ventilation?
Ch. 25 - Prob. 11WYLCh. 25 - Prob. 12WYLCh. 25 - Prob. 13WYLCh. 25 - Prob. 14WYLCh. 25 - Match each numbered item with the most closely...Ch. 25 - The visceral pleura covers the a. outer surface of...Ch. 25 - Prob. 2MCCh. 25 - Prob. 3MCCh. 25 - Which structure is the last, smallest portion of...Ch. 25 - Which is not a function of the paranasal sinuses?...Ch. 25 - Prob. 6MCCh. 25 - The C-shaped cartilages in the trachea a. serve as...Ch. 25 - Which of the following is not a muscle of...Ch. 25 - The epithelium lining the alveolus is composed of...Ch. 25 - The apneustic center is involved in a. inhibition...Ch. 25 - What is the function of the mucous lining of the...Ch. 25 - Prob. 2CRCh. 25 - Prob. 3CRCh. 25 - What are the components of the bronchial tree,...Ch. 25 - Prob. 5CRCh. 25 - Prob. 6CRCh. 25 - How do the left and right lungs differ...Ch. 25 - Prob. 8CRCh. 25 - Name the autonomic nervous system respiratory...Ch. 25 - Prob. 10CRCh. 25 - Prob. 1DCRCh. 25 - Your best friend George is an athletic 20-year-old...
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- The respiratory components of the medulla consist of which of the following? Dorsal respiratory group Apneustic center Ventral respiratory group Pneumotaxic center 1 only 2 only 1 and 3 only 2 and 4 onlyarrow_forwardWhat neural afferents might also contribute to the regulation of ventilation during exercise?arrow_forwardExplain how the cerebral cortex and limbic system canexert control over ventilation. What is apnea?arrow_forward
- 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.arrow_forwardState the names and locations of the three pairs of brainstem nuclei that regulate the respiratory rhythm. What role does each one play?arrow_forwardAccording to the diagram below, emotions (limbic system) modulate respiratory patterns to 1. indirectly inhibit the DRG (dorsal respiratory group) 2. indirectly excite the DRG (dorsal respiratory group) 3. directly excite the VRG (ventral respiratory group) Choose from the following: (A) 1 (B) 2 (C) 3 (D) 1 and 2 (E) 1 and 3 (F) 2 and 3 (G) 1, 2, and 3arrow_forward
- List the two anatomical subdivisions of the respiratory system.arrow_forwardWhat regions of the brain holds the integrating centers for the regulation of ventilation?arrow_forwardState the similarities and differences between mechanical ventilation of an adult vs mechanical ventilation of an infant.arrow_forward
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