Module 7.4 Pharynx

Question 1

The mouth moves food into the _____\_

Answer 1

The mouth moves food into the pharynx

Question 2

The pharynx is a passageway that contains the _____\_and leads into the _____\_

Answer 2

The pharynx is a passageway that contains the tonsils and leads into the esophagus

Question 3

The pharynx functions primarily in _____\_

Answer 3

The pharynx functions primarily in motility

Question 4

The pharynx functions primarily in motility through its participation in the _________\_ of the swallowing reflex

Answer 4

The pharynx functions primarily in motility through its participation in the oropharyngeal stage of the swallowing reflex

Question 5

What are the 6 steps in the pharynx’s role in the swallowing reflex?

1. The tongue moves the _____ into the _____.
2. It then descends on the _____ and covers the _____ to close the opening to the _____.
3. The uvula elevates to close the _____ _____.
4. The swallowing centre of the _____ inhibits the _____ centre.
5. The upper _____ (____\_) sphincter relaxes.
6. The bolus moves into the _____.

Answer 5

What are the 6 steps in the pharynx’s role in the swallowing reflex?

1. The tongue moves the bolus into the pharynx.
2. It then descends on the epiglottis and covers the glottis to close the opening to the trachea.
3. The uvula elevates to close the nasal passages.
4. The swallowing centre of the medulla inhibits the respiratory centre.
5. The upper esophageal (pharyngoesophageal) sphincter relaxes.
6. The bolus moves into the esophagus.

Question 6

Oropharyngeal stage of the swallowing reflex:

(Top) Swallowing is initiated by the tongue moving the _____ from the mouth into the _____.

(Middle) The bolus causes the _____ to move downward and cover the _____, thus closing the opening to the trachea.

(Bottom) The _____ _____ (_____) sphincter relaxes and the bolus moves into the esophagus.

Answer 6

Oropharyngeal stage of the swallowing reflex:

(Top) Swallowing is initiated by the tongue moving the bolus from the mouth into the pharynx.

(Middle) The bolus causes the epiglottis to move downward and cover the glottis, thus closing the opening to the trachea.

(Bottom) The upper esophageal (pharyngoesophageal) sphincter relaxes and the bolus moves into the esophagus.

Question 7

The secretion produced by the pharynx is known as ___\_

Answer 7

The secretion produced by the pharynx is known as mucus

Question 8

______ provides lubrication for the movement of the bolus through to the esophagus.

Answer 8

Mucus

Question 9

How does the pharynx contribute to absorption and digestion?

Answer 9

It doesn’t, no digestion or absorption occurs in the pharynx.