Ch. 21 The Respiratory System

Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814Not the one you use?Change textbook

Amerman 3rd Edition

Ch. 21 The Respiratory System

Problem 3c

Chapter 21, Problem 3c

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
The framework of the larynx is formed by nine pieces of cartilage, the largest of which is the thyroid cartilage.

Verified step by step guidance

Step 1: Begin by identifying the anatomical structure mentioned in the statement, which is the larynx. The larynx is a part of the respiratory system and plays a role in voice production and protecting the airway during swallowing.

Step 2: Recall the framework of the larynx, which is composed of nine pieces of cartilage. These include the thyroid cartilage, cricoid cartilage, epiglottis, and three pairs of smaller cartilages: arytenoid, corniculate, and cuneiform.

Step 3: Confirm that the thyroid cartilage is indeed the largest piece of cartilage in the larynx. It forms the prominent 'Adam's apple' visible in the neck.

Step 4: Evaluate the statement provided. Since the statement correctly identifies the number of cartilages and the thyroid cartilage as the largest, it is true.

Step 5: If the statement were false, you would correct it by specifying the accurate number of cartilages or identifying the largest cartilage correctly. However, in this case, no correction is needed as the statement is true.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Laryngeal Cartilage

The larynx is supported by a framework of nine cartilages, which include three unpaired (thyroid, cricoid, and epiglottis) and three paired (arytenoid, corniculate, and cuneiform) cartilages. The thyroid cartilage is the largest and is often referred to as the Adam's apple, playing a crucial role in protecting the vocal cords.

Anatomy of the Larynx

The larynx, located in the neck, serves multiple functions including voice production, protection of the trachea against food aspiration, and regulation of airflow during breathing. Its anatomical structure is vital for these functions, with the arrangement of cartilages providing both support and flexibility.

True or False Statements

In evaluating statements as true or false, it is essential to understand the factual basis of the claims made. A true statement accurately reflects established knowledge, while a false statement contains inaccuracies that can be corrected by providing the correct information, as seen in the context of anatomical descriptions.

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

The epithelium of the oropharynx changes from stratified columnar epithelium to simple squamous epithelium to enable it to resist abrasion from food.

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

The trachea contains O-shaped rings of hyaline cartilage.

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

The pseudostratified ciliated columnar epithelium of the respiratory tract warms, filters, and humidifies the inspired air.

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Textbook Question

What happens to the metabolic rate of skeletal muscle tissue during exercise? What waste products are produced from metabolic reactions? How and why does this affect your rate of ventilation during exercise?

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

Goblet cells secrete serous fluid into the respiratory tract.

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Textbook Question

The function of the epiglottis is to:

a. Contract muscularly to cover the laryngopharynx

b. Vibrate to produce sound

c. Trigger a cough reflex

d. Cover the glottis during swallowing

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