A&P - Chapter 35 (Part 2)

Question 1

How many paranasal sinuses do we have?

Answer 1

4 pairs

Question 2

Where do paranasal sinuses open/drain into?

Answer 2

The nasal cavity

Question 3

What is the paranasal sinuses lined with?

Answer 3

Respiratory mucosa

Question 4

What is the function of the nose? (4)

Answer 4

1. Passageway for air to and from lungs
2. Filters, warms, and moistens inhaled air as it flows over the conchae
3. Contains sense organs of smell (olfactory receptors) in the nasal mucosa
4. Aids speech

Question 5

How long is pharynx?

Answer 5

12.5 cm

Question 6

What is the pharynx made of?

Answer 6

Muscles

Question 7

What are the 3 segments of the pharynx?

Answer 7

1. Nasopharynx
2. Oropharynx
3. Laryngopharynx

Question 8

What segment are the pharyngeal tonsils located?

Answer 8

Nasopharynx

Question 9

What segment is the palantine and lingual tonsils located?

Answer 9

Oropharynx

Question 10

Eustachian/auditory tubes

Answer 10

Open into/connect middle ears with nasopharynx, allowing equalization of air pressure between the middle and exterior ear

Question 11

What is the lining of the eustachian/auditory tubes continual with?

Answer 11

The nasopharynx and middle ear

Question 12

How can a sinus infection develop?

Answer 12

Can develop from a cold where the nasal mucosa is inflamed and an ear infection can develop from inflammation of the nasal pharynx

Question 13

What 2 systems is the pharynx apart of?

Answer 13

1. Digestive

2. Respiratory

Question 14

What are the functions of the pharynx? (2)

Answer 14

1. Passageway for food and liquids to the esophagus

2. Passageway for air to the respiratory tree

Question 15

Where is the larynx located?

Answer 15

Below the pharynx

Question 16

What are the 2 pieces of cartilage that makes up the framework for the larynx?

Answer 16

1. Thyroid cartilage

2. Epiglottis

Question 17

Thyroid cartilage

Answer 17

Adams apple

Question 18

What is the largest cartilage?

Answer 18

Thyroid cartilage

Question 19

Epiglottis

Answer 19

Closes off the larynx when we swallow to prevent food from entering trachea
- partially covers opening into larynx

Question 20

What lines the larynx?

Answer 20

Ciliated mucous lining

Question 21

What do vocal cords consist of?

Answer 21

2 fibrous bands that stretch across the interior of the larynx

Question 22

What is the funciton of the larynx?

Answer 22

Air distribution

- passageway for air to move to and from lungs

Question 23

How is voice produced?

Answer 23

Via muscles attached to the larynx cartilage that pull on the vocal cords

Question 24

What happens when the vocal cords are tense?

Answer 24

They produce high-pitched sounds

Question 25

What happens when the vocal cords are relaxed?

Answer 25

They produce a low-pitched sound

Question 26

What is the trachea also known as?

Answer 26

The windpipe

Question 27

How long is the trachea?

Answer 27

11 cm

- 4.5 inches

Question 28

How long does the trachea go?

Answer 28

From the larynx to the primary bronchi

Question 29

What is the trachea held open by?

Answer 29

By C-shaped rings of cartilage

Question 30

What is the trachea lined with?

Answer 30

Mucous

- ciliated epithelium