Ch. 17 Nose, Mouth, & Throat

Question 1

The most common site of nose bleeds

Answer 1

The Kiesselbach plexus

Question 2

Thekiesselbach plexus is located:

Answer 2

in the anterior part of the septum

Question 3

The first segment of the respiratory system

Answer 3

The nose

Question 4

What is the nose made of?

Answer 4

The upper 1/3 is made up of bone, the rest is cartilage.

Question 5

Smell receptors transmit to:

Answer 5

Cranial nerve I: the olfactory nerve

Question 6

Air-filled pockets within the cranium

Answer 6

Paranasal sinuses

Question 7

The lateral walls of each nasal cavity contain three parallel bony projections.

Answer 7

The superior, middle, and inferior turbinates.

Question 8

Purpose of the turbinates.

Answer 8

increase surface area so more blood vessels and mucus membranes are available to warm, humidify, and filer the inhaled air.

Question 9

Label the sinuses

Answer 9

1) frontal sinus
2) ethmoid sinus
3) maxillary sinus

Question 10

Only what sinuses are present at birth?

Answer 10

Maxillary and ethmoid

Question 11

Maxillary sinuses reach full size when:

Answer 11

primary teeth are in place.

Question 12

The first segment of the digestive system and airway for the respiratory system.

Answer 12

the mouth

Question 13

How many permanent teeth does an adult have?

Answer 13

32

Question 14

The mouth contains 3 pairs of salivary glands:

Answer 14

Parotid
Submandibular
Sublingual

Question 15

Lies within cheeks in front of the ear.

Answer 15

Parotid gland

Question 16

Lies beneath mandible at the angle of the jaw.

Answer 16

Submandibular gland

Question 17

The smallest, almond-shaped, lies within the floor of the mouth under the tongue and has many small openings along the fold under the tongue.

Answer 17

Sublingual