AndyRDH Questions Flashcards
Which of the following permanent premolars frequently lacks a transverse ridge?
Maxillary second Premolar
Fluorides chiefly eliminate through which of the following?
Liver
Which of the following statements is FALSE regarding the spleen?
Limited blood within the lobules
The 1st succedaneous tooth to erupt is the?
permanent mandibular central incisors.
The erupted dentition of a normal developed 7-year old child usually consists of
18 primary teeth & 6 permanent teeth
Which vein of the head and neck is formed by the drainage of venous blood from the pterygoid plexus
Maxillary vein
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?
Thyroid gland
All of the following muscles are innervated by the hypoglossal nerve EXCEPT
Palatoglossus
Pathway of blood through the heart?
Right Atrium–> Tricuspid Valve–> Right Ventricle–> Pulmonary Artery–> Lungs–> Pulmonary Vein–>Left Atrium–> Mitral valve (Bicuspid Valve)–> Left Ventricle –> Aorta
At the cervical line, a cross section of the maxillary canine would show
an oval shape with a slightly wider labial surface
The genetic information of the cell is located in which of the following structures?
nuclear membrane only
Which of the following signs is not expected to be seen in a TMJ disorder?
Swelling and erythema over the joint
What is the most common cause of a dental abscess?
Extension of the dental caries process into the pulp of the tooth
Which of these principal fiber groups extends from the cementum coronally to bone
oblique
Which gland secretes the largest portion of saliva in the mouth?
Submandibular gland
How many bones does the orbit consist of?
7 bones
Where is the insertion of the lateral pterygoid muscle?
TMJ disc and neck of the mandibular condyle
What function does the medial pterygoid serve?
Protrude the mandible ??? (Book says something different)
Which structures are the sites of highest resistance in the cardiovascular system?
Arterioles
Which of the following contribute sympathetic fibers to the heart and increase cardiac function?
Accessory nerves
The space maintained by the primary canines and molars for the permanent erupting canines and premolars is known as _______.
leeway space
Tuberculosis is a viral infection that is acquired through airborne transmission
False. True
A warmer climate will have a higher concentration level of fluoride. A colder climate will have a lower concentration of fluoride
FALSE. FALSE
Which of the following require antibiotic premedication?
Renal dialysis shunt
A patient has a blood pressure reading of 144/90 mmHG mild hypertension. In which ASA category does this reading fall?
ASA II
Which of the following is NOT a contraindication for implant placement?
inadequate biofilm removal
Which of the following is not a tort?
Abandonment
Which of the following patients would be likely to have a candida infection
Patient using heroin
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?
0.25 mg/day
Which of the following is NOT an active ingredient of desensitizing toothpaste?
pyrophosphate
Which governing body is responsible for developing standards of universal precaution?
OSHA
What is a statue of limitation?
the time frame when legal action can be taken
Which of the following states that patients have the right to an informed consent?
Autonomy
What type of stroke does a sonic scaler utilize?
Elliptical
Which of the following is contraindications for rubber cup polishing?
Xerostomia
According to the FDA standards, desensitizing toothpastes are those contain __________ as an active ingredient.
5% potassium nitrate
The dentinal hypersensitivity treatment that utilizes a low galvanic current and the precipitation of insoluble calcium is called:
iontrophoresis
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.
8X
OSHA prohibits the hand scrubbing of instruments.
False: OSHA discourages it but they do not prohibit it
Which of the following is a symptom of mild fluorosis?
White opacities
What is the best time to assess home care effectiveness with a plaque index?
at the beginning of the appointment
A curette design feature that limits potential for tissue damage when used subgingivally is:
convex back
The CDC infection control categories the patient care instruments are:
Critical, semi-critical, and noncritical
The surface of the teeth have a _______ charge
Negative
What should patients with an increased chance of developing bacterial endocarditis do?
rinse preoperatively with chlorhexidine
Chlorhexidine staining is largely due to the reaction of chlorhexidine with _____
chromogens
Chlorhexidine stain is __________
easy to remove
What should patients who rinse with chlorhexidine do to reduce the occurrence of staining?
Brush their teeth with an electric toothbrush
Chew gum
Use whitening toothpaste
The EPA monitors the concentration levels of fluoride in community drinking water and sets the limits in bottled water.
True. False
In high concentrations, such as professional applications, fluoride is bactericidal. IT is also bactericidal in low concentrations, such as daily home applications
True, False
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?
beneficence
Which type of hypersensitivity reaction is responsible for the rejection of tissue grafts and transplanted organs?
Type IV ?
When you mirror a patients body language what is accomplished?
Establishing rapport
Which exogenous extrinsic stain can later become intrinsic?
green
when inserting a curette subgingivally, which of the following angles should be used
close to zero degrees
While in central occlusion the normal relation of the permanent maxillary 1st molar to the mandibular arch is established when the:
Mesiolingual cusp of the maxillary 1st molar falls in the central fossa of the mandibular 1st molar
Each of the following could account for a false-negative response to an electrical pulp test EXCEPT one. Which one?
The patient being apprehensive about the test
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
Mouth breathing
A hard, dark brown or black spot on the clinical crown of a tooth of a 75 year old person is probably
caries that has arrested
The most commonly used drug in dental emergencies
oxygen
Which of the following is the test organisms for intermediate level of disinfection?
Mycobaterium tuberculosis
Universal precautions used during infection control are specific to the
profession
Which of the following is NOT related to CAMBRA?
increased salivary flow
After you dismiss your patient and are transferring an processing instruments all are required EXCEPT
wear mask and safety goggles
All of the following can happen as a result of the tongue piercing EXCEPT
Excessive amounts of mandibular calculus
What percentage of alcohol is required to considered a disinfectant?
75%
A child drinking fluoridated water and taking fluoride supplements is at greater risk for
hypo-calcification
Which of the following is not a compound used to fluoridate water?
Stannous Fluoride
Which principal of the code of ethics deals with the practitioner and means to do no harm
nonmaleficence
What is the most critical age of susceptibility to fluorosis of the permanent teeth
Between 15 & 30 months of age
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?
0.5 mg
What is providing dental screening an example of?
Beneficence
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.
False. it is considered an expressed consent
