Deck 45: Cancer

Question 1

Each of the following are components of field cancerization EXCEPT one.Which one is the EXCEPTION?

A) Abnormal tissue may not appear clinically.
B) Cancerous cells can only arise locally.
C) Independent lesions can coalesce into one tumor.
D) Recurrence may occur when abnormal tissue borders remain.

Answer 1

Cancerous cells can only arise locally.

Question 2

High doses of radiation or repeated radiation to the temporomandibular joint increases a patient's risk of

A) Tinnitus
B) Trismus
C) Tardive oral dyskinesia
D) Temporal arteritis

Answer 2

Trismus

Question 3

Each of the following is a category of the tumor,node,metastasis system EXCEPT one.Which one is the EXCEPTION?

A) Extent of the primary tumor
B) Length of previous treatment
C) Distant metastasis
D) Lymph node involvement

Answer 3

Length of previous treatment

Question 4

The most common acute complication following chemotherapy or radiation therapy to the head and neck area is

A) Periodontal abscess
B) Oral mucositis
C) Aphthous ulcers
D) Rampant decay

Question 5

Staging describes the extent or spread of what disease?

A) Benign cancer
B) Metastatic cancer
C) Oral cancer
D) Periodontitis

Question 6

Each of the following factors increases the risk of oral complications in cancer patients EXCEPT one.Which one is the EXCEPTION?

A) Localized treatment to head and neck area
B) Poor oral hygiene
C) Pre-existing oral disease
D) Gender

Question 7

Stage II describes cancer that is regionally located in nearby structures.Stage IV describes cancer that is extensive beyond the regional site,crossing several tissue layers.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.

Question 8

Each of the following are oral manifestations of anticancer treatments EXCEPT one.Which one is the EXCEPTION?

A) Candidiasis
B) Oral mucositis
C) Stomatitis
D) Taste dysfunction

Question 9

Each of the following are dental hygiene considerations of cancer patients EXCEPT one.Which one is the EXCEPTION?

A) Need for antibiotic prophylaxis
B) Need for increased visits
C) Need for blood count readings at every visit
D) Need for longer appointment times

Question 10

Cancer is a malfunction of genes that control cell growth and division,resulting in tumor formation.Metastatic tumors are easily removable via surgery and do not have the capacity to invade tissues.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.

Question 11

Over 90% of head and neck cancers are

A) Oral squamous cell carcinoma
B) Pharyngeal basal cell carcinoma
C) Verrucous carcinoma
D) Pharyngeal lymphoma

Question 12

A tumor that has cell and tissue structure similar to normal cells is called

A) Undifferentiated
B) Poorly differentiated
C) Well differentiated
D) Nondifferentiated

Question 13

Oral cancer has a 30% recurrence rate.Patients with a history of oral cancer should be screened at every follow-up appointment.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.

Question 14

Necrosis and secondary infection of the alveolar bone is a serious complication related to

A) Radiation therapy to the head and neck region
B) Systemic chemotherapy
C) Surgical removal of tissue and bone
D) Surgical removal of the cervical lymph nodes

Question 15

All of the following contribute to radiation caries EXCEPT one.Which one is the EXCEPTION?

A) Xerostomia
B) Poor oral hygiene
C) Too low of a dose of topical fluoride
D) Increase in cariogenic bacteria

Question 16

Oral side effects of chemotherapy can lead to disruption of

A) Treatment
B) Healing
C) Metastasis
D) Radiation

Question 17

After abatement of acute oral complications,how often should a dental hygienist see a patient who has just completed radiation therapy to the head and neck region?

A) Every 2 to 3 months for the first year
B) Every 2 weeks for the first 6 months
C) Every 4 to 8 weeks for the first 6 months
D) Weekly or biweekly for the first year

Question 18

All of the following are signs and symptoms of mucositis EXCEPT one.Which one is the EXCEPTION?

A) Xerostomia
B) Soreness or pain in the mouth or throat
C) Red or swollen areas on the oral mucosa or gingiva
D) Whitish patches or pus in the mouth or on the tongue

Question 19

Surgical management of oral cancer typically includes the primary lesion and

A) Occipital lymph nodes
B) Cervical lymph nodes
C) Axillary lymph nodes
D) Parotid lymph nodes