C. Short-Answer Questions 1. List the components of the upper and lower respirat

Question

C. Short-Answer Questions 1. List the components of the upper and lower respiratory systems. 2. What are the functions of the superior, middle, and inferior conchae? 3. Where is the pharyngeal tonsil located? 4. Trace a breath of air from the external nares through the respiratory system to the alveolar sacs. D. Application and Analysis 1. Where do goblet cells occur in the respiratory system, and what function do they serve? What is the function of stratified squamous epithelium that lines the oropharynx and laryngopharynx? 2. E. Clinical Challenge

Explanation / Answer

C)

1. List the components of the upper and lower respiratory systems

Answer: The upper respiratory system consists of,

Nose or nostrils

Pharynx
Tonsils
Epiglottis

Trachea

Larynx

The lower respiratory system consists of,

Bronchi,

Bronchioles

Alveoli
Alveolar ducts

2. What are the function of superior, middle, and inferior nasal conchae ?

Answer: The function of superior nasal conchae is to to protect the olfactory bulb, the structure covering the smell receptors.

The function of middle nasal conchae is to protect the shield over the sinuses.

The function of inferior nasal conchae is olfaction and in moistening the inhaled air.

3. Where is the pharyngeal tonsil located ?

Answer: Pharyngeal tonsil also called Adenoids is located up into the (posterior) nasal cavity and back of the throat.

4. Trace a breath of air from the external nares through the respiratory system to the alveolar sacs

Answer: External Nares > Vestibule > Internal Nares > Nasopharynx > Oropharynx > Laryngopharynx > Larynx > Trachea > Primary Bronchus > Secondary Bronchus > Tertiary Bronchus > Bronchioles > Terminal Bronchiole > Respiratory Bronchiole > Alveolar Duct > Alveolar Sac > Alveolus

D)

1. Where do goblet cells occur in the respiratory system and what function do they serve ?

Answer: Goblet cells are in the nasal cavity, trachea, and bronchial tubes. These cells secrete the

the mucus which is sticky substances, and helps warms, cleans, and moistens inhaled air.

2. What is the function of the stratified squamous epithelium that lines the oropharynx and laryngopharynx?

Answer: Oropharynx and laryngopharynx are the common passage for food and air. The function of stratified squamous epithelium is to protects the regions of the oropharynx and laryngopharynx from damage caused while swallowing the food

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