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Laboratory Manual for Human Anatomy & Physiology (Cat Version)
4th Edition
ISBN: 9781259864612
Author: Martin
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 51, Problem 1.4A
The primary muscles that help to force out more than the normal volume of air, by pulling the ribs downward and inward, are the __________.
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Students have asked these similar questions
which respiratory muscle is responsible for moving the majority of air during eupnea? sternocleidomastoid, intercostals, or diaphragm.
Jackie is a professional singer. Her singing tasks require her to allocate only
1 second for inhalation and longer expiration for prolonged notes while
performing. Hence, there is a need to elevate intra-abdominal pressure to
improve control during long utterances. All these muscles are affected in
this activity. SELECT ALL THAT APPLY. *
Rectus abdominis
V Diaphragm
Intercostal muscles
External oblique
Which respiratory center/s is/ are used by Jackie (from previous item) for
elevating the intra- abdominal pressure?*
Dorsal respiratory group
Ventral respiratory group
Pontine respiratory group
DRG & VRG
DRG, VRG, & PRG
The action of the diaphragm and intercostal muscles
The diagram below shows inhalation and exhalation.
Complete the following sentences to explain how we breathe in.
The intercostal muscles between the _______________
This moves the ribs _______________ and _______________.
At the same time, the diaphragm muscle _______________ and moves _______________.
The volume of air inside the chest _______________.
This decreases the pressure inside the chest. The air pressure outside the chest is higher so air enters the lungs.
Complete the following sentences to explain how we breathe out.
The intercostal muscles _______________.
The ribs are moved _______________ and _______________.
At the same time, the diaphragm muscle _______________ and moves _______________.
The volume of air inside the chest __________________.
This increases the pressure inside the chest. The air pressure outside the chest is now lower so air leaves the lungs.
Chapter 51 Solutions
Laboratory Manual for Human Anatomy & Physiology (Cat Version)
Ch. 51 - The size of the thoracic cavity is increased by...Ch. 51 - Prob. 2PLCh. 51 - Prob. 3PLCh. 51 - Prob. 4PLCh. 51 - A normal resting breathing rate is about...Ch. 51 - The contraction of the diaphragm increases the...Ch. 51 - Prob. 7PLCh. 51 - Vital capacities gradually decrease as a person...Ch. 51 - When using the lung function model, what part of...Ch. 51 - When the diaphragm contracts, the size of the...
Ch. 51 - The ribs are raised primarily by contraction of...Ch. 51 - The primary muscles that help to force out more...Ch. 51 - We inhale when the diaphragm _________.Ch. 51 - Complete the following: a. How do your test...Ch. 51 - Match the air volumes in column A with the...Ch. 51 - To determine possible obstruction of the airway, a...
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- Which muscles are directly involved during forceful inspiration? (Select all that apply.) Internal intercostal muscles Sternohyoid Sternocleidomastoid Scalene O Diaphragmarrow_forwardSelect the best answer or answers from the choices given: The prime mover of inspiration is the (a) diaphragm, (b) internal intercostals, (c) external intercostals, (d) abdominal wall muscles.arrow_forwardIN 2-3 SENTENCES Name and describe the locations and actions of the muscles typically used in breathing.arrow_forward
- Which of the following muscles is closest in proximity to the tongue? digastric mylohyoid geniohyoid platysma Which rib's costal cartilage (sternocostal joint) articulates with the sternum at the manubriosternal joint? 1st rib 2nd rib 3rd rib 4th rib What is the name of the cartilage that covers the airway upon deglutition? 6 epiglottis thyroid cricoid hyalinearrow_forwardMuscles that close off the vestibule of the larynxA. AryepiglotticusB. ThyroepiglotticusC. ThyroarytenoidD. A, BE. A, B, Carrow_forwardIn the paragraph choose one word from each parenthesis set according to the sentences before and after. Under conditions where normal breathing isn’t sufficient, other muscles will assist the diaphragm in changing the volume of the thoracic cavity. A muscle that increases the volume of the thoracic cavity will cause pressure to (increase/decrease) which means that it is helping with forced (inspiration/expiration). A muscle that decreases the volume of the thoracic cavity will cause pressure to (increase/decrease) which means that it is helping with forced (inspiration/expiration).arrow_forward
- Which of the following muscles functions to DECREASE the tension of the vocal cords 1. vocalis muscle 2. cricothyroid muscle 3. lateral cricoarytenoid muscle 4. posterior cricoarytenoid muscle 5. transverse / oblique arytenoid muscles 6. thyroarytenoid muscle Choose the following: (A) 1 and 2 (B) 3 and 4 (C) 1 and 6 (D) 3, 4, and 5 (E) 4 and 5arrow_forwardHow would this action change the volume of the chest and lungs? Why does it cause the person to expel the food item from the airway?Match the words in the left column to the appropriate blanks in the sentences on the right.arrow_forwardLungs do not collapse even after forceful expiration because of __________arrow_forward
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