200 NBDHE Mock Board Questions WITH
COMPLETE SOLUTIONS
Sensory impulses from a toothache are likely to be transmitted on Correct Answer: cranial nerve
V
Viruses can be distinguished from all other microorganisms by virtue of their Correct Answer:
possession of only one type of nucleic acid
Too little vertical angulation when taking radiographs will result in Correct Answer: elongation
Which of the following describes a Class I furcation involvement? Correct Answer: A slight
concavity is detectable, but no radiolucency is visible on the radiograph
Systemic diseases can be associated with periodontal disease, since they can affect immune
functions, inflammatory response and tissue organization. These include the genetic disorders
Correct Answer: Chediak-Higashi syndrome, Papillon-Leferve syndrome, and hypophosphatasia
Kaposi's sarcoma is MOST commonly located on the Correct Answer: palate
Which of the following could be used for removal of burnished tenacious calculus in deep,
narrow pockets with firm, fibrotic tissue Correct Answer: periodontal file
Oral manifestations of bulimia include all of the following, EXCEPT one. Which one is the
EXCEPTION? Correct Answer: Leukoedema
Subgingival calculus receives its mineral content from Correct Answer: gingival crevicular fluid
A dense, fibrous, raised, skin-colored lesion located on the buccal mucosa at the height of the
occlusal plane is MOST likely a Correct Answer: fibroma
The appearance of spongy rolled gingival margins and bulbous gingival papilla is the result of
Correct Answer: accumulation of tissue fluid
When radiographs are being duplicated, the duplicating film is placed closest to the light source.
The greatest density of the duplicated image will occur with the longest exposure to the light
source. Correct Answer: Both statements are false
Periodontal debridement of the maxillary left quadrant requires administration of a local
anesthetic. Which nerve block injection will NOT provide anesthesia to the area? Correct
Answer: Inferior alveolar
Proper ultrasonic scaling technique is BEST described by which of the following? Correct
Answer: Light stroke pressure and multidirectional strokes
, Infection of a primary tooth may cause Correct Answer: Turner's spot
Alginate impressions are displaced from the mouth in a quick continuous movement to prevent
Correct Answer: distortion of the impression
The main part of the facial nerve leaves the temporal bone in the facial canal through the Correct
Answer: stylomastoid foramen
Facial asymmetry is commonly associated with Correct Answer: Bell's palsy
A predominant bacterium in chronic periodontitis is Correct Answer: P. gingivalis
A person with a history of oral herpes lesions of the lip feels a tingly sensation. The person
should do all of the following, EXCEPT one. Which one is the EXCEPTION? Correct Answer:
Spend more time in the sun
A patient with congestive heart failure will MOST likely require Correct Answer: an upright
seating position
All of the following are characteristics of a root planning technique, EXCEPT one. Which one is
the EXCEPTION? Correct Answer: Lateral pressure becomes progressively heavier
A continuing care schedule for a periodontal patient should be determined by the Correct
Answer: amount of inflammation seen
All of the following drugs are antifungal and are used to treat candidiasis, EXCEPT one. Which
one is the EXCEPTION? Correct Answer: Didanosine (ddl)
Supervision of fluoride use by small children is important to prevent which of the following?
Correct Answer: Chronic toxicity
Which defect is the result of failure of the maxillary processes to fuse with the median nasal
processes? Correct Answer: Bilateral cleft lip
Complications of AIDS-associated necrotizing ulcerative periodontitis (NUP) that differentiate it
from the conventional non-AIDS-associated form of NUP may include Correct Answer:
sequestration of bone fragments
The temporomandibular disc is attached to the Correct Answer: mandibular condyle
A patient taking amphetamines is likely to exhibit all of the following, EXCEPT one. Which one
is the EXCEPTION? Correct Answer: Mental depression
During periodontal therapy the dental hygienist discussed the importance of daily dental biofilm
removal with the patient and modified the patient's flossing technique. At the continuing care
appointment the hygienist notes generalized bleeding and heavy dental biofilm and calculus
COMPLETE SOLUTIONS
Sensory impulses from a toothache are likely to be transmitted on Correct Answer: cranial nerve
V
Viruses can be distinguished from all other microorganisms by virtue of their Correct Answer:
possession of only one type of nucleic acid
Too little vertical angulation when taking radiographs will result in Correct Answer: elongation
Which of the following describes a Class I furcation involvement? Correct Answer: A slight
concavity is detectable, but no radiolucency is visible on the radiograph
Systemic diseases can be associated with periodontal disease, since they can affect immune
functions, inflammatory response and tissue organization. These include the genetic disorders
Correct Answer: Chediak-Higashi syndrome, Papillon-Leferve syndrome, and hypophosphatasia
Kaposi's sarcoma is MOST commonly located on the Correct Answer: palate
Which of the following could be used for removal of burnished tenacious calculus in deep,
narrow pockets with firm, fibrotic tissue Correct Answer: periodontal file
Oral manifestations of bulimia include all of the following, EXCEPT one. Which one is the
EXCEPTION? Correct Answer: Leukoedema
Subgingival calculus receives its mineral content from Correct Answer: gingival crevicular fluid
A dense, fibrous, raised, skin-colored lesion located on the buccal mucosa at the height of the
occlusal plane is MOST likely a Correct Answer: fibroma
The appearance of spongy rolled gingival margins and bulbous gingival papilla is the result of
Correct Answer: accumulation of tissue fluid
When radiographs are being duplicated, the duplicating film is placed closest to the light source.
The greatest density of the duplicated image will occur with the longest exposure to the light
source. Correct Answer: Both statements are false
Periodontal debridement of the maxillary left quadrant requires administration of a local
anesthetic. Which nerve block injection will NOT provide anesthesia to the area? Correct
Answer: Inferior alveolar
Proper ultrasonic scaling technique is BEST described by which of the following? Correct
Answer: Light stroke pressure and multidirectional strokes
, Infection of a primary tooth may cause Correct Answer: Turner's spot
Alginate impressions are displaced from the mouth in a quick continuous movement to prevent
Correct Answer: distortion of the impression
The main part of the facial nerve leaves the temporal bone in the facial canal through the Correct
Answer: stylomastoid foramen
Facial asymmetry is commonly associated with Correct Answer: Bell's palsy
A predominant bacterium in chronic periodontitis is Correct Answer: P. gingivalis
A person with a history of oral herpes lesions of the lip feels a tingly sensation. The person
should do all of the following, EXCEPT one. Which one is the EXCEPTION? Correct Answer:
Spend more time in the sun
A patient with congestive heart failure will MOST likely require Correct Answer: an upright
seating position
All of the following are characteristics of a root planning technique, EXCEPT one. Which one is
the EXCEPTION? Correct Answer: Lateral pressure becomes progressively heavier
A continuing care schedule for a periodontal patient should be determined by the Correct
Answer: amount of inflammation seen
All of the following drugs are antifungal and are used to treat candidiasis, EXCEPT one. Which
one is the EXCEPTION? Correct Answer: Didanosine (ddl)
Supervision of fluoride use by small children is important to prevent which of the following?
Correct Answer: Chronic toxicity
Which defect is the result of failure of the maxillary processes to fuse with the median nasal
processes? Correct Answer: Bilateral cleft lip
Complications of AIDS-associated necrotizing ulcerative periodontitis (NUP) that differentiate it
from the conventional non-AIDS-associated form of NUP may include Correct Answer:
sequestration of bone fragments
The temporomandibular disc is attached to the Correct Answer: mandibular condyle
A patient taking amphetamines is likely to exhibit all of the following, EXCEPT one. Which one
is the EXCEPTION? Correct Answer: Mental depression
During periodontal therapy the dental hygienist discussed the importance of daily dental biofilm
removal with the patient and modified the patient's flossing technique. At the continuing care
appointment the hygienist notes generalized bleeding and heavy dental biofilm and calculus
