Deck 31: Head and Neck Cancers

Question 1

3)In which salivary gland do most salivary cancers occur?

A) Parotid
B) Submandibular
C) Sublingual
D) Minor

Answer 1

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

Question 2

10)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

Answer 2

B
The inferior border of a low-staged laryngeal cancer is set at the cricoid cartilage (lower border of C6).

Question 3

13)What condition frequently develops in users of smokeless tobacco?

A) Erythroplakia
B) Leukoplakia
C) Thrush
D) Dysplasia

Answer 3

B
Smokeless tobacco users frequently develop premalignant lesions, such as oral leukoplakia, at the site where the tobacco quid rests against the mucosa.

Question 4

19)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

Question 5

5)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 6

9)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 7

12)What is the most common form of larynx cancer?

A) Adenocarcinoma
B) Basal cell
C) Squamous cell
D) Transitional cell

Question 8

1)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 9

7)What is commonly referred to as the voice box?

A) Vestibular folds
B) Epiglottis
C) Pharynx
D) Larynx

Question 10

11)What is the most common histologic type of head and neck cancer?

A) Adenocarcinoma
B) Transitional cell carcinoma
C) Squamous cell carcinoma
D) Renal cell carcinoma

Question 11

4)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 12

15)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 13

8)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) Midvertebral body
D) Posterior aspect of the vertebral body

Question 14

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

A) Glottis
B) Epiglottis
C) Pharynx
D) Larynx

Question 15

20)Which anatomic structure contains the true vocal cords?

A) Glottis
B) Epiglottis
C) Pharynx
D) Larynx

Question 16

14)What is the most common presenting symptom of larynx cancer?

A) Sore throat
B) Persistent cough
C) Hoarseness
D) Difficulty breathing

Question 17

17)Which of the following is a function of saliva?

A) Lubricate the food bolus
B) Digestion
C) Oral hygiene
D) All of the above

Question 18

18)Which salivary gland is associated with the Stensen duct?

A) Parotid
B) Submandibular
C) Sublingual
D) Minor

Question 19

2)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 20

16)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 21

23)Bloody discharge from the nose would be a common symptom of a tumor located in the _____________________.

A) oropharynx
B) nasopharynx
C) hypopharynx
D) larynx

Question 22

22)One virus with increasing prevalence in patients diagnosed with certain tumors of the head and neck is the ___________ virus.

A) Epstein Barr
B) hepatitis B
C) human T-cell type 1
D) hepatitis C

Question 23

24)A wedged pair with a 90-degree hinge is a typical field arrangement for treatment of the __________________.

A) larynx
B) hypopharynx
C) maxillary sinus
D) nasopharynx

Question 24

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

A) Parapharynx
B) Nasopharynx
C) Oropharynx
D) Laryngopharynx