SEELEY'S ANATOMY+PHYSIOLOGY
12th Edition
ISBN: 9781260172195
Author: VanPutte
Publisher: RENT MCG
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Chapter 23, Problem 20RAC
Summary Introduction
Introduction:
The respiratory system keeps blood oxygen and carbon dioxide concentration and blood pH within normal values. If any variation occurs in these levels beyond their normal range, there will be a significant effect on the relationship between hemoglobin, O2, and CO2.
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The chemoreceptors in the medulla are directly stimulated byA. CO2 from the bloodB. H+ from the bloodC. H+ in cerebrospinal fluid that is derived from blood CO2D. Decreased arterial PO2
Regulation of breathing rate
Label the figure below to indicate how breathing rate is regulated. Not all labels will be used.
Oxygen in blood is too
high
Oxygen in blood is too low
Breathing rate increases
Blood becomes too basic
Carbon dioxide in blood is
Carbon dioxide in blood is
too high
Carbon dioxide in blood is
too low
Thalamus detects change
normal
Blood becomes more
acidic
Blood flow to lungs
increases
Oxygen in blood is normal
Medulla detects change
Carbon dioxide
concentration
decreases
Reset
What prevents overinflation of the lungs?
partial pressure of oxygen in alveoli
baroreceptors in aortic arch
stretch receptors in the lungs
the hypothalamus
Chapter 23 Solutions
SEELEY'S ANATOMY+PHYSIOLOGY
Ch. 23.1 - List the components of the respiratory system.Ch. 23.2 - Prob. 2AYPCh. 23.2 - Explain the functions of the respiratory system.Ch. 23.3 - Prob. 4AYPCh. 23.3 - Explain how the conducting zone differs from the...Ch. 23.3 - Describe the structures of the nasal cavity.Ch. 23.3 - Prob. 7AYPCh. 23.3 - Prob. 8AYPCh. 23.3 - Prob. 9AYPCh. 23.3 - Distinguish between the vestibular and vocal...
Ch. 23.3 - How does the position of the arytenoid cartilages...Ch. 23.3 - What are the four functions of the larynx?Ch. 23.3 - Explain the branching of the tracheobronchial...Ch. 23.3 - Describe the arrangement of cartilage, smooth...Ch. 23.3 - How is debris removed from the trocheobronchial...Ch. 23.3 - Name the two types of cells in the alveolar wall,...Ch. 23.3 - Prob. 17AYPCh. 23.3 - Distinguish among a lung, a lung lobe, a...Ch. 23.3 - Prob. 19AYPCh. 23.3 - What are the two major routes of blood flow to and...Ch. 23.3 - Prob. 21AYPCh. 23.3 - Name the pleurae of the lungs. What is their...Ch. 23.4 - List the muscles of inspiration, and describe...Ch. 23.4 - What is ventilation?Ch. 23.4 - How do pressure differences and resistance affect...Ch. 23.4 - Prob. 26AYPCh. 23.4 - Describe the process of making intra-alveolar...Ch. 23.4 - Prob. 28AYPCh. 23.4 - Differentiate among inspiratory capacity,...Ch. 23.4 - Prob. 30AYPCh. 23.4 - Prob. 31AYPCh. 23.4 - Prob. 32AYPCh. 23.4 - What is dead space? Control anatomical dead space...Ch. 23.4 - According to Dalton's law. what is the partial...Ch. 23.4 - Why are the compositions of inspired, alveolar,...Ch. 23.4 - Prob. 36AYPCh. 23.5 - What are the assigned values for barometric air...Ch. 23.5 - Prob. 38AYPCh. 23.5 - Prob. 39AYPCh. 23.5 - Prob. 40AYPCh. 23.5 - Prob. 41AYPCh. 23.5 - Prob. 42AYPCh. 23.5 - Prob. 43AYPCh. 23.5 - Prob. 44AYPCh. 23.5 - Does O2 or CO2 diffuse more easily through the...Ch. 23.5 - Prob. 46AYPCh. 23.5 - Prob. 47AYPCh. 23.5 - Prob. 48AYPCh. 23.6 - Prob. 49AYPCh. 23.6 - Prob. 50AYPCh. 23.6 - Prob. 51AYPCh. 23.6 - Prob. 52AYPCh. 23.6 - Prob. 53AYPCh. 23.6 - Prob. 54AYPCh. 23.6 - Prob. 55AYPCh. 23.6 - Prob. 56AYPCh. 23.6 - Prob. 57AYPCh. 23.6 - Prob. 58AYPCh. 23.6 - What is the Haldane effect?Ch. 23.6 - Prob. 60AYPCh. 23.7 - Define the anatomical shunt and the physiological...Ch. 23.7 - Prob. 62AYPCh. 23.7 - Name the three respiratory groups, and describe...Ch. 23.7 - Prob. 64AYPCh. 23.7 - Prob. 65AYPCh. 23.7 - Where are central chemoreceptors and peripheral...Ch. 23.7 - Prob. 67AYPCh. 23.7 - Prob. 68AYPCh. 23.7 - What is hypoxia? Why must arterial Po2 change...Ch. 23.7 - Prob. 70AYPCh. 23.7 - Describe the Hering-Breuer reflex and its...Ch. 23.8 - Why do vital capacity, alveolar ventilation, and...Ch. 23.8 - Prob. 73AYPCh. 23 - The nasal cavity a. has openings, the paranasal...Ch. 23 - The larynx connects the oropharynx to the trachea....Ch. 23 - Terminal bronchioles branch to form a. the...Ch. 23 - Prob. 4RACCh. 23 - During quiet expiration, the a. abdominal muscles...Ch. 23 - Prob. 6RACCh. 23 - Prob. 7RACCh. 23 - Prob. 8RACCh. 23 - Prob. 9RACCh. 23 - Prob. 10RACCh. 23 - Prob. 11RACCh. 23 - Prob. 12RACCh. 23 - Prob. 13RACCh. 23 - Prob. 14RACCh. 23 - Prob. 15RACCh. 23 - Prob. 16RACCh. 23 - Prob. 17RACCh. 23 - Prob. 18RACCh. 23 - Which of these parts of the brainstem is correctly...Ch. 23 - Prob. 20RACCh. 23 - Prob. 21RACCh. 23 - Prob. 1CTCh. 23 - Prob. 2CTCh. 23 - Prob. 3CTCh. 23 - One technique for artificial respiration is...Ch. 23 - Prob. 5CTCh. 23 - Prob. 6CTCh. 23 - Prob. 7CTCh. 23 - Prob. 8CTCh. 23 - Prob. 9CTCh. 23 - Prob. 10CTCh. 23 - Prob. 11CT
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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
- Of the following, which does not explain why the partial pressure of oxygen is lower in the lung than in the external air? Air in the lung is humidified; therefore, water vapor pressure alters the pressure Carbon dioxide mixes with oxygen Oxygen is moved into the blood and is headed to the tissues Lungs exert a pressure on the air to reduce the oxygen pressure.arrow_forwardAir is warmed and humidified in the nasal passages. This helps to. ward off infection decrease sensitivity during breathing prevent damage to the lungs all of the abovearrow_forwardCigarette smoking has the following effects on the respiratory system excepta. stimulating the beating of the ciliab. increasing the production and accumulation of mucusc. lung congestiond. inflammation of air passagesarrow_forward
- In the terminal ganglion associated with lung airway smooth muscle is damaged, what will be prevented from happening? norepinephrine release onto alpha receptors of the airway smooth muscle norepinephrine release onto beta receptors of the airway smooth muscle acetylcholine release onto nicotinic receptors of the airway smoo Muscle acetylcholine release onto muscarinicreceptors of the airway smoo Musclearrow_forwardIn a negative feedback control of respiration, a high level of carbon dioxide in the blood stimulates chemoreceptors. The chemoreceptors then send information to the medulla in the brainstem. The medulla than stimulates an increase in respiratory rate. The integrator in this system is the: Chemoreceptor Carbon dioxide O Lungs Respiratory muscles None of the abovearrow_forwardWhich of the following control breathing? select all that apply Centers in the Pons and Medulla control breathing Respiratory centers respond to changes in acid base Chemoreceptors respond to a decrease in oxygen Chemoreceptors are located in the heart and lungsarrow_forward
- When resting in a car at Rest and Relax area (R&R), it is not advisable to turn on car engine and air conditioning with the window closed because it can cause carbon monoxide poisoning. Explain briefly why carbon monoxide poisoning is dangerous to human body.arrow_forwardThese help clear the respiratory passages excepta. yawningb. coughingc. sneezingd. ciliary actionarrow_forwardBlood pH and cerebrospinal fluid pH are affected by carbon dioxide content. This enables the organism to sense a disturbance in gas levels as O the medulla oblongata monitors pH and uses this measure to control breathing O the brain alters the pH of the cerebrospinal fluid to force the animal to retain more or less carbon dioxide the lungs sense changes in oxygen concentration, which causes the medulla oblongata to speed up or slow breathing the medulla oblongata directly monitors blood oxygen levels and causes breathing changes accordingly O the brain directly measures and monitors carbon dioxide and causes breathing changes accordinglyarrow_forward
- If a respiratory pigment such as hemoglobin or hemocyanin is not present in blood the blood would not carry carbon dioxide the blood would have decreased oxygen carrying capacity the blood would not carry oxygenarrow_forwardThe chemosensitive areaa. stimulates the respiratory center when blood CO2 levels increase.b. stimulates the respiratory center when blood pH increases.c. is located in the pons.d. stimulates the respiratory center when blood O2 levels increase.e. All of these are correct.arrow_forwardRespiratory cycles begin with inspiration and end with expiration and are driven by the respiratory control centre. Which of the following statements best describes the sensory inputs to the respiratory centres? Central chemoreceptors located on the carotid bodies in the neck monitor arterial blood chemistry. Peripheral chemoreceptors detect an increase in the partial carbon dioxide pressure resulting in stimulation of the respiratory centres. Stretch receptors in the brainstem are activated when the lungs expand. Peripheral chemoreceptors monitor the chemistry of the cerebrospinal fluid to detect changes in pH.arrow_forward
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