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National Boards > AndyRDH Questions > Flashcards

AndyRDH Questions Flashcards

1
Q

Which of the following permanent premolars frequently lacks a transverse ridge?

A

Maxillary second Premolar

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2
Q

Fluorides chiefly eliminate through which of the following?

A

Liver

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3
Q

Which of the following statements is FALSE regarding the spleen?

A

Limited blood within the lobules

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4
Q

The 1st succedaneous tooth to erupt is the?

A

permanent mandibular central incisors.

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5
Q

The erupted dentition of a normal developed 7-year old child usually consists of

A

18 primary teeth & 6 permanent teeth

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6
Q

Which vein of the head and neck is formed by the drainage of venous blood from the pterygoid plexus

A

Maxillary vein

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7
Q

A hygienist is doin an extra oral examination and asks the patient to swallow. She detects something bilateral of the midline of the cervix, What could she have detected?

A

Thyroid gland

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8
Q

All of the following muscles are innervated by the hypoglossal nerve EXCEPT

A

Palatoglossus

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9
Q

Pathway of blood through the heart?

A

Right Atrium–> Tricuspid Valve–> Right Ventricle–> Pulmonary Artery–> Lungs–> Pulmonary Vein–>Left Atrium–> Mitral valve (Bicuspid Valve)–> Left Ventricle –> Aorta

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10
Q

At the cervical line, a cross section of the maxillary canine would show

A

an oval shape with a slightly wider labial surface

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11
Q

The genetic information of the cell is located in which of the following structures?

A

nuclear membrane only

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12
Q

Which of the following signs is not expected to be seen in a TMJ disorder?

A

Swelling and erythema over the joint

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13
Q

What is the most common cause of a dental abscess?

A

Extension of the dental caries process into the pulp of the tooth

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14
Q

Which of these principal fiber groups extends from the cementum coronally to bone

A

oblique

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15
Q

Which gland secretes the largest portion of saliva in the mouth?

A

Submandibular gland

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16
Q

How many bones does the orbit consist of?

A

7 bones

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17
Q

Where is the insertion of the lateral pterygoid muscle?

A

TMJ disc and neck of the mandibular condyle

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18
Q

What function does the medial pterygoid serve?

A

Protrude the mandible ??? (Book says something different)

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19
Q

Which structures are the sites of highest resistance in the cardiovascular system?

A

Arterioles

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20
Q

Which of the following contribute sympathetic fibers to the heart and increase cardiac function?

A

Accessory nerves

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21
Q

The space maintained by the primary canines and molars for the permanent erupting canines and premolars is known as _______.

A

leeway space

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22
Q

Tuberculosis is a viral infection that is acquired through airborne transmission

A

False. True

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23
Q

A warmer climate will have a higher concentration level of fluoride. A colder climate will have a lower concentration of fluoride

A

FALSE. FALSE

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24
Q

Which of the following require antibiotic premedication?

A

Renal dialysis shunt

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25
Q

A patient has a blood pressure reading of 144/90 mmHG mild hypertension. In which ASA category does this reading fall?

A

ASA II

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26
Q

Which of the following is NOT a contraindication for implant placement?

A

inadequate biofilm removal

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27
Q

Which of the following is not a tort?

A

Abandonment

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28
Q

Which of the following patients would be likely to have a candida infection

A

Patient using heroin

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29
Q

A 4 year old patient presents in your office. You note that the patient live in a non-fluoridated community but attends preschool where the fluoride level is 0.6 ppm. Which fluoride supplement should be prescribed?

A

0.25 mg/day

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30
Q

Which of the following is NOT an active ingredient of desensitizing toothpaste?

A

pyrophosphate

31
Q

Which governing body is responsible for developing standards of universal precaution?

A

OSHA

32
Q

What is a statue of limitation?

A

the time frame when legal action can be taken

33
Q

Which of the following states that patients have the right to an informed consent?

A

Autonomy

34
Q

What type of stroke does a sonic scaler utilize?

A

Elliptical

35
Q

Which of the following is contraindications for rubber cup polishing?

A

Xerostomia

36
Q

According to the FDA standards, desensitizing toothpastes are those contain __________ as an active ingredient.

A

5% potassium nitrate

37
Q

The dentinal hypersensitivity treatment that utilizes a low galvanic current and the precipitation of insoluble calcium is called:

A

iontrophoresis

38
Q

When compared to non-sensitive teeth, sensitive teeth have been shown to have as many as ___ times as many open dentinal tubules per surface area.

A

8X

39
Q

OSHA prohibits the hand scrubbing of instruments.

A

False: OSHA discourages it but they do not prohibit it

40
Q

Which of the following is a symptom of mild fluorosis?

A

White opacities

41
Q

What is the best time to assess home care effectiveness with a plaque index?

A

at the beginning of the appointment

42
Q

A curette design feature that limits potential for tissue damage when used subgingivally is:

A

convex back

43
Q

The CDC infection control categories the patient care instruments are:

A

Critical, semi-critical, and noncritical

44
Q

The surface of the teeth have a _______ charge

A

Negative

45
Q

What should patients with an increased chance of developing bacterial endocarditis do?

A

rinse preoperatively with chlorhexidine

46
Q

Chlorhexidine staining is largely due to the reaction of chlorhexidine with _____

A

chromogens

47
Q

Chlorhexidine stain is __________

A

easy to remove

48
Q

What should patients who rinse with chlorhexidine do to reduce the occurrence of staining?

A

Brush their teeth with an electric toothbrush
Chew gum
Use whitening toothpaste

49
Q

The EPA monitors the concentration levels of fluoride in community drinking water and sets the limits in bottled water.

A

True. False

50
Q

In high concentrations, such as professional applications, fluoride is bactericidal. IT is also bactericidal in low concentrations, such as daily home applications

A

True, False

51
Q

Which care value deals with the hygienist have a primary role in promoting the well-being of individuals and the public by engaging in health promotion/disease prevention activities?

A

beneficence

52
Q

Which type of hypersensitivity reaction is responsible for the rejection of tissue grafts and transplanted organs?

A

Type IV ?

53
Q

When you mirror a patients body language what is accomplished?

A

Establishing rapport

54
Q

Which exogenous extrinsic stain can later become intrinsic?

A

green

55
Q

when inserting a curette subgingivally, which of the following angles should be used

A

close to zero degrees

56
Q

While in central occlusion the normal relation of the permanent maxillary 1st molar to the mandibular arch is established when the:

A

Mesiolingual cusp of the maxillary 1st molar falls in the central fossa of the mandibular 1st molar

57
Q

Each of the following could account for a false-negative response to an electrical pulp test EXCEPT one. Which one?

A

The patient being apprehensive about the test

58
Q

The gingiva of a 12 year old patient is erythematous on the maxillary anteriors and bleeds easily. The affected area is widest in the midline an taper laterally. The remaining gingiva is normal. This condition is most likely due to

A

Mouth breathing

59
Q

A hard, dark brown or black spot on the clinical crown of a tooth of a 75 year old person is probably

A

caries that has arrested

60
Q

The most commonly used drug in dental emergencies

A

oxygen

61
Q

Which of the following is the test organisms for intermediate level of disinfection?

A

Mycobaterium tuberculosis

62
Q

Universal precautions used during infection control are specific to the

A

profession

63
Q

Which of the following is NOT related to CAMBRA?

A

increased salivary flow

64
Q

After you dismiss your patient and are transferring an processing instruments all are required EXCEPT

A

wear mask and safety goggles

65
Q

All of the following can happen as a result of the tongue piercing EXCEPT

A

Excessive amounts of mandibular calculus

66
Q

What percentage of alcohol is required to considered a disinfectant?

A

75%

67
Q

A child drinking fluoridated water and taking fluoride supplements is at greater risk for

A

hypo-calcification

68
Q

Which of the following is not a compound used to fluoridate water?

A

Stannous Fluoride

69
Q

Which principal of the code of ethics deals with the practitioner and means to do no harm

A

nonmaleficence

70
Q

What is the most critical age of susceptibility to fluorosis of the permanent teeth

A

Between 15 & 30 months of age

71
Q

You have a 5 year old patient in your chair that is getting less than 0.3mg of fluoride in his well water. What amount of fluoride supplement would you recommend?

A

0.5 mg

72
Q

What is providing dental screening an example of?

A

Beneficence

73
Q

A patient agreed to have scaling and root planning performed by verbally agreeing to the procedure. This type of civil law contract is considered implied consent.

A

False. it is considered an expressed consent

National Boards (3 decks)

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