Explanation Explanation for the correct answer: Option (d) states 40-60 degrees from the carina. The right main stem bronchus is known to branch off the trachea at 25-degree angle while the left one makes an angle of 40 to 60 degrees with the trachea. The right one is more wide, vertical, and shorter than the left main stem bronchus. Hence, option (d) is a correct answer Explanation for the incorrect answer: Option (a) states 10-20 degrees from the carina...

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Musculoskeletal System

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The skeletal system is the core framework of the human body. The skeletal structure comprises bones and connective tissue, including cartilage, ligaments, and tendons. The skeletal structure of our body acts as a support structure. It maintains the body'…

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Chapter 1, Problem 8RQ

Summary Introduction

Introduction:

The respiratory system is one of the vital biological systems which is segregated into the upper and lower respiratory systems. In the lower respiratory system, the air moves through the larynx, pharynx, trachea, and then moves into the lungs.

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Chapter 1 Solutions

Cardiopulmonary Anatomy & Physiology

Ch. 1 - Which of the following lines the anterior...Ch. 1 - Which of the following form(s) the nasal septum?...Ch. 1 - Prob. 3RQ Ch. 1 - 4. The canals of Lambert are found in the A....Ch. 1 - 5. The pharyngotympanic (auditory) tubes are found...Ch. 1 - The inferior portion of the larynx is composed of...Ch. 1 - 7. Which of the following has the greatest...Ch. 1 - Prob. 8RQ Ch. 1 - 9. Ninety-five percent of the alveolar surface is...Ch. 1 - Which of the following is (are) released when the...

Ch. 1 - Prob. 11RQ Ch. 1 - 12. Pseudostratified ciliated columnar epithelium...Ch. 1 - 13. Which of the following is (are) accessory...Ch. 1 - 14. The horizontal fissure separates the A....Ch. 1 - Prob. 15RQ Ch. 1 - 16. The lung segment called the superior lingual...Ch. 1 - 17. Cartilage is found in which of the following...Ch. 1 - 18. The bronchial arteries nourish the...Ch. 1 - 19. Which of the following elevates the soft...Ch. 1 - 20. Which of the following are called the...

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4. The number of alveoli continues to increase until about A. 6 years of age B. 8 years of age C. 10 years of age D. 12 years of age

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