The neck and abdominal muscles are involved in a:
Quiet inspiration
Forceful exhalation
None of the answers are correct
Quiet exhalation
The Correct Answer is B
A. Quiet inspiration involves the diaphragm and external intercostal muscles without significant involvement of the neck and abdominal muscles.
B. Forceful exhalation (such as during coughing or strenuous activities) engages the abdominal muscles and sometimes the neck muscles (such as the sternocleidomastoid), as they help to push air out of the lungs by increasing intra-abdominal and intrathoracic pressure.
C. None of the answers are correct is incorrect because forceful exhalation involves these muscles.
D. Quiet exhalation primarily relies on passive recoil of the lungs and relaxation of the diaphragm, with minimal involvement of the neck or abdominal muscles.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. The external exchange of gases refers to the process of oxygen diffusing from the alveoli into the blood and carbon dioxide diffusing from the blood into the alveoli in the lungs. This occurs during pulmonary ventilation.
B. Pulmonary ventilation involves the movement of air in and out of the lungs (breathing), not the exchange of gases.
C. The internal exchange of gases refers to the diffusion of oxygen from the blood to the tissues and carbon dioxide from the tissues to the blood. This happens at the cellular level throughout the body.
D. This answer is incorrect because internal exchange of gases is the correct phase for oxygen to diffuse out of the blood.
Correct Answer is B
Explanation
A. Esophagus passes through the mediastinum and lies posterior to the trachea and heart.
B. Lungs are not part of the mediastinum; they are located in the pleural cavities on either side of the mediastinum.
C. Heart is located centrally within the mediastinum, specifically in the middle mediastinum.
D. Lymph nodes are present in the mediastinum and are part of the immune and lymphatic systems
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.