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Flashcards in Practice Exam Deck (70):
1

Which of the following would result in a darker radiographic image?

Increased mA

2

Which of the following compounds can be used to fluoridate domestic water systems?

Sodium silicofluoride

3

After developing a full-mouth series of radiographs, all of the films are completely black. The cause for this is?

silver halide crystals were energized

4

Identify the vitamin that promotes the synthesis of collagen.

Vitamin C

5

According to the Code of Ethics for Dental Hygienists, a patient's right to informed consent prior to treatment is called?

Autonomy

6

The oral physiotherapy aid most suited for removal of loosely adherent plaque is a/an?

oral irrigator

7

One of the procedure is private practice is diagnosis. What is the parallel procedure in community health practice?

Data Analysis

8

Which of the following vitamins assists in the synthesis of tryptophan?

Niacin

9

Identify the anterior tooth MOST likely to exhibit a bifurcated root.

Mandibular Canine

10

Which of the following ADHA code of ethics principles addresses truth, integrity, and honesty?

Veracity

11

Excessive exposure to radiation initially presents as?

erythema

12

The office has changed from "E" to "D" Speed film, What modifications should be made to the exposure time?

Doubled

13

Although bleeding on probing indicates periodontal involvement, bleeding may not be evident in smokers because of the microvascular system. T or F

Bothe the statement and the reason are correct and related.

14

Which immunoglobulin is MOST likely to be found in saliva?

IgA

15

Oral medication with high first pass effect must:

utilize a high dose

16

Select the cell wall characteristics associated with gram-negative bacteria.

Porin-channel
high lipid content
lysozyme sensitivity

17

All of the following bacteria are classified as facultative anaerobes EXCEPT which one?

Prevotella

18

Examples of thyroid disorders include Graves disease and Cushing's Syndrome. Symptom's of Graves disease include, dry skin, and an intolerance to heat. T or F

Both statements are FALSE

19

IF a spinal cord injury occurs at C-7, What functioning ability would the patient exhibit?

Personal Care with devices

20

An advantage of intensifying screens in extra-oral radiographs is to reduce patient exposure time. They use these to increase the amount of radiation the patient receives.

The first statement is TRUE. The second is FALSE.

21

When does the latent period of radiation occur?

time between exposure and maximum damage observed

22

Which salivary gland contributes the most Volume of total saliva?

Submandibular

23

All of the following are muscles of facial expression EXCEPT which one?

Temporalis

24

Which of the following is NOT associate with cigarette Smoking?

increase gingival edema

25

A bitewing film is properly exposed with an 8 PID using an exposure setting of 1 Second. What exposure time, PID was used?

4

26

Which of the following variables affect radiographic image contrast?

kVp

27

The maximum amount of radiation and occupationally exposed person may receive, in mSvs, in one month is?

4mSv

28

Fluorides act as a barrier against acid dissolution of the tooth structure. Critical pH levels range between 4.5 to 5.5 for enamel and 6.0 to 6.7 for root caries.

Both Statements are TRUE

29

Which of the following level is the highest in Maslow's Hierarchy of Needs?

Self-actualization

30

Synthroid is a medication used to treat.

hypothyroidism

31

Where does the ophthalmic branch of the trigeminal nerve exit the cranial cavity?

Superior orbital fissure

32

Examining structures on opposite sides of the face using both hands simultaneously is?

bilateral palpation

33

When using zinc phosphate as a base, what is its most important physical characteristic?

compressive strength

34

What portion of the root surface has the thickest layer of cementum?

Apical third of root

35

Identify the active ingredient in NutraSweet and Equal

Aspartame

36

A nodule is superficial, solid elevation less than 1.0cm. An example of a nodule is a freckle.

Both statements are FALSE

37

Which of the following cements has an exothermic reaction on mixing?

Zinc phosphate cement

38

Which of the following would be recommended as an extra-oral polishing agent for a gold alloy restoration?

Rouge

39

Which route of drug administration is MOST desirable for sustained effect?

Intramuscular

40

All of the following drugs may cause gingival overgrowth EXCEPT which one?

Digoxin

41

The MOST common predisposing factor for the presence of a pyogenic granuloma.

Pregnancy

42

Which Molar is MOST likely to have a root with two canals?

Mandibular first molar

43

Vitamin B12 aids in the formation of

Red blood cells

44

Common periodontal pathogens include all of the following EXCEPT which one

Steptococcus mutans

45

Which type of bacteria increases as plaque matures?

Facultative anaerobes

46

Gram-negative rods associate with periodontal disease include all of the following EXCEPT which one?

Treponema denticola

47

Which bacterial product allows microorganism to invade tissues and spread infection?

hyaluronidase

48

An advantage of light-cure polymerization in sealant placement is?

increase in working time

49

Hertwig's Root Sheath is derived form which embryonic structure

Outer Enamel Epithelium

50

Non-selective beta blockers should not be used in patients with..

asthma

51

Which of the following considered a non-steroidal anti-inflammatory agent

COX-2- inhibitor

52

The bulk of dental plaque biofilm consists of

exopolysaccharides

53

Gingival hyperplasia most often affects anterior gingival tissues. Gingival enlargement can be seen in a patient taking calcium channel blockers.

Both statements are TRUE.

54

Reversible pulpitis is MOST closely related to

hyperemia

55

the phenomenon involving extension of maxillary sinus into an extraction sites is

pneumatization

56

Lymph nodes are found along the lymph channels. If the lymph nodes are hard, non-tender and fixed, they are.. (Heathly??)

Both statements are TRUE

57

All of the following should be avoided when treating an asthmatic patient EXCEPT which one.

Nitrous Oxide/oxygen sedation

58

All of the following lingual papillae have associate taste buds EXCEPT which one?

Filiform

59

What muscle has its insertion in the anterior portion of the TMJ disc?

Lateral pterygoid

60

All of the following symptoms of hypoglycemia EXCEPT which one?

Decreased pulse

61

All of the following are dental treatment considerations for patient experiencing myocardial infarction EXCEPT which one

Place patient in a supine position

62

Nitrous oxide indicated for all of the following patient EXCEPT which one?

Recent inner ear surgery

63

For the removal of plaque in a patient with gingival recession, the most effective tooth brushing method is

Bass

64

All of the following are active ingredients in desensitizing dentifrices EXCEPT which one?

Sodium fluoride

65

Which of the following is NOT an adverse effect of Chlorhexidine gluconate

Herpes labialis

66

All of the following are examples of natural immunity EXCEPT which one?

Antibody production

67

All of the following is a function of the macrophage EXCEPT which one?

collagen degradation

68

According to the ASA physical Classification System, a well-controlled, non-insulin dependent diabetic patient is considered?

ASA II

69

For the past thirty years, the Pocatello Component of the Idaho Dental Hygienists Association has conducted the(something program) for 8th graders at local middles schools. The program provides students with information on the hazards of using smokeless tobacco, obtaining parental permission slips, students are asked to complete questionnaires about their tobacco use. Results published annually and given to the Idaho Department of Health in order to study trends in smokeless tobacco use. The hygienist involved in the school program noticed that quit rates increased when students saw photos of oral cancer. Not wanting to develop cancer, they signed up for the counseling sessions. The Photos were designed to:

increase internal motivation

70

For the past thirty years, the Pocatello Component of the Idaho Dental Hygienists Association has conducted the(something program) for 8th graders at local middles schools. The program provides students with information on the hazards of using smokeless tobacco, obtaining parental permission slips, students are asked to complete questionnaires about their tobacco use. Results published annually and given to the Idaho Department of Health in order to study trends in smokeless tobacco use. In determining the extent of smokeless tobacco use in 8th graders, the hygienist found that 13% of all students are current users. This rate represents:

Prevalence