Deck 33: Head and Neck Cancers

Question 1

Which of the following is a function of saliva?

A) lubricate the food bolus
B) digestion
C) oral hygiene
D) all of the above

Answer 1

D
Saliva and the salivary glands have major roles in digestion and tooth protection.

Question 2

In which salivary gland do most salivary cancers occur?

A) parotid
B) submandibular
C) sublingual
D) minor

Answer 2

A
The parotid is the site of highest incidence of salivary glands tumors (80% to 90%).

Question 3

Which of the following is not considered a risk factor for larynx cancer?

A) Epstein-Barr virus
B) poor nutrition
C) alcohol abuse
D) human papillomavirus

Answer 3

A
Epstein-Barr virus has been associated with nasopharyngeal carcinoma but not larynx cancer.

Question 4

Which anatomic structure contains the true vocal cords?

A) glottis
B) epiglottis
C) pharynx
D) larynx

Question 5

After what dose of radiation may xerostomia become permanent?

A) 1000 to 2000 cGy
B) 2000 to 3000 cGy
C) 3000 to 4000 cGy
D) 4000 to 5000 cGy

Question 6

What defines the inferior radiation field border for the treatment of a low staged larynx cancer?

A) superior aspect of the hyoid
B) cricoid cartilage
C) clavicles
D) C7-T1 intervertebral space

Question 7

Radiation therapy of which of the following cancers does not include regional lymph nodes?

A) early staged parotid
B) early staged larynx
C) early staged nasopharynx
D) all of the above include regional lymph nodes

Question 8

What is the most common form of larynx cancer?

A) adenocarcinoma
B) basal cell
C) squamous cell
D) transitional cell

Question 9

What condition frequently develops in users of smokeless tobacco?

A) erythroplakia
B) leukoplakia
C) thrush
D) dysplasia

Question 10

What is the name of the leaf-shaped cartilage that protects the larynx?

A) glottis
B) epiglottis
C) pharynx
D) larynx

Question 11

What T stage is a glottic tumor that involves only one vocal cord but does impair mobility?

A) T1a
B) T1b
C) T1c
D) T2

Question 12

What defines the superior radiation field border for the treatment of a low staged larynx cancer?

A) superior aspect of the hyoid
B) cricoid cartilage
C) inferior aspect of the mandible
D) roof of the mouth

Question 13

What T stage is a glottic tumor that involves both vocal cords but does not impair mobility?

A) T1a
B) T1b
C) T1c
D) T2

Question 14

What structure of the neck is also known as the glottis?

A) true vocal cords
B) false vocal cord
C) vestibular folds
D) nasal turbinates

Question 15

After what dose of radiation does xerostomia typically first occur?

A) 1000 to 2000 cGy
B) 2000 to 3000 cGy
C) 3000 to 4000 cGy
D) 4000 to 5000 cGy

Question 16

What is the most common presenting symptom of larynx cancer?

A) sore throat
B) persistent cough
C) hoarseness
D) difficulty breathing

Question 17

What is commonly referred to as the voice box?

A) vestibular folds
B) epiglottis
C) pharynx
D) larynx

Question 18

What is the most common histological type of head and neck cancer?

A) adenocarcinoma
B) transitional cell carcinoma
C) squamous cell carcinoma
D) renal cell carcinoma

Question 19

Which salivary gland is associated with the Stensen duct?

A) parotid
B) submandibular
C) sublingual
D) minor

Question 20

What defines the posterior radiation field border for the treatment of a low staged larynx cancer?

A) posterior aspect of the hyoid
B) anterior aspect of the vertebral body
C) mid-vertebral body
D) posterior aspect of the vertebral body

Question 21

The primary function of the oral cavity is respiration.

Question 22

Collectively,head and neck cancers are more common in women than men.

Question 23

Over the past decade,the incidence of larynx cancers is on the rise.

Question 24

Most salivary gland cancers are squamous cell carcinomas.

Question 25

Xerostomia is a common side effect associated with traditional radiation therapy for early larynx cancer.

Question 26

Which of the following is not a division of the pharynx?

A) parapharynx
B) nasopharynx
C) oropharynx
D) laryngopharynx

Question 27

Most larynx cancers are discovered early.

Question 28

Laser excision is the most common treatment for T3 laryngeal cancers.

Question 29

Chemotherapy is an effective treatment for salivary gland tumors.