Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Chapter 22, Problem 1RQ
Summary Introduction
To determine:
The phrenic nerves cutting will result in
(a) air entering the pleural cavity,
(b) paralysis of the diaphragm,
(c) stimulation of the diaphragmatic reflex,
(d) paralysis of the epiglottis.
Expert Solution & Answer
Answer to Problem 1RQ
Solution:
(b) Paralysis of the diaphragm
Explanation of Solution
The phrenic nerves begin at the neck and move down between the lungs and heart. They then finally reach the diaphragm. These nerves are crucial for breathing because they transfer the motor information to the diaphragm. The pleural cavity does not consist of phrenic nerves. The laryngeal nerves are present in the epiglottis.
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Students have asked these similar questions
19. On the diagram below
a. Label the three pictures as: DNA; polypeptide; or RNA.
b. Label the arrows as: translation or transcription/RNA processing.
c. Add the following details to the diagram.
Promoter region
TATA box
Transcription start site
Transcription terminator
Intron (A,B,C,D)
Exons (1,2,3,4,5)
Splice sites
5' cap
5' UTR (untranslated region)
3' poly A tail
3' UTR (untranslated region)
Translational start (AUG)
Translational stop (UGA, UAG, or UAA)
N and C ends of polypeptide
0000
Match the letter labels in the figure below to the terms. Some letter
labels are not used.
MNNNNNNIN
M
C
B
A
M
D
F
E
H
K
G
8
The diagram below illustrates a quorum sensing pathway from Staphylococcus aureus. Please answer the following questions.
1. Autoinduction is part of the quorum sensing system. Which promoter (P2 or P3) is critical for autoinduction?
2)This staphylococcus aureus grows on human wounds, causing severe infections. You would like to start a clinical trial to treat these wound infections. Please describe:
a) What molecule do you recommend for the trial. Why?
b) Your trial requires that Staphylococcus aureus be isolated from the wound and submitted to genome sequencing before admittance. Why? What are you testing for?
3) If a mutation arises where the Promoter P3 is constitutively active, how would that influence sensitivity to AIP? Please explain your rationale.
4) This pathway is sensitive to bacterial cell density. Describe two separate mutation that would render the pathway active independent of cell density. Briefly explain your rationale.
Mutation 1
Mutation 2
Chapter 22 Solutions
Human Anatomy & Physiology (11th Edition)
Ch. 22 - Prob. 1RQCh. 22 - 2. Which of the following laryngeal cartilages...Ch. 22 - 3. Under ordinary circumstances, the inflation...Ch. 22 - 4. The detergent-like substance that keeps the...Ch. 22 - 5. Which of the following determines the direction...Ch. 22 - 6. When the inspiratory muscles contract, (a) the...Ch. 22 - 7. The nutrient blood supply of the lungs is...Ch. 22 - 8. Oxygen and carbon dioxide are exchanged in the...Ch. 22 - Prob. 9RQCh. 22 - 11. Which of the following has the greatest...
Ch. 22 - 12. In mouth-to-mouth artificial respiration, the...Ch. 22 - 13. A baby holding its breath will (a) have brain...Ch. 22 - 15. Damage to which of the following would most...Ch. 22 - Prob. 14RQCh. 22 - 17. Trace the route of air from the nares to an...Ch. 22 - 18. (a) Why is it important that the trachea is...Ch. 22 - 19. Briefly explain the anatomical “reason” why...Ch. 22 - 21. Describe the functional relationships between...Ch. 22 - 23. (a) Differentiate clearly between minute...Ch. 22 - 25. (a) Define hyperventilation. (b) If you...Ch. 22 - 26. Describe age-related changes in respiratory...Ch. 22 - 1. Daniel, the swimmer with the fastest time on...Ch. 22 - 2. A member of the “Blues” gang was rushed into an...Ch. 22 - 3. A surgeon removed three adjacent...Ch. 22 - 4. After a week of scuba diving in the Bahamas,...Ch. 22 - 35-Year-Old Female with Chest Trauma
Barbara...Ch. 22 - 35-Year-Old Female with Chest Trauma
Barbara...Ch. 22 - 35-Year-Old Female with Chest Trauma Barbara Joley...Ch. 22 - 35-Year-Old Female with Chest Trauma Barbara Joley...Ch. 22 - 35-Year-Old Female with Chest Trauma Barbara Joley...
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