Dental Hygiene NBDHE new 2022 exam review questions and
answers A graded
What is the smooth area between the eyebrows called?
A. Philtrum
B. Frontal region
C. Frontal eminence
D. Glabella
E. Tragus - *D. Glabella*
A. Philtrum - the groove between the upper lip and the nose
B. Frontal region - includes the forehead and the area superior to the eyes
C. Frontal eminence - prominence of the forehead
E. Tragus - smaller flap of tissue of the auricle anterior ro the external acoustic meatus
Research misconduct involves all of the following EXCEPT one. Which one is the
EXCEPTION?
A. Plagarism
B. Falsifying data
C. Eliminating conflicts of interest
D. Misrepresenting data
E. Patent infringement - *C. Eliminating conflicts of interest*
Research misconduct includes plagarism, copyright or patent infringement, falsifying or
fabricating data, misrepresenting data, and conflict of interest
During your periodontal charting, which of the following gingival features should be
included in your description?
A. Color
B. Contour
C. Consistency
D. Distribution
E. All of the above - *E. All of the above*
Describe in the progress note:
- Color (coral pink, erythematous, cyanotic)
- Contour (knife-edge, rolled margin, bulbous, clefting)
- Consistency (firm, edematous, fibrotic)
- Texture (stippled, smooth/glossy)
- Distribution (generalized, localized)
As a group, ester-type local anesthetics area more likely than amide-type local
anesthetics to cause which of the following drug effects?
A. Allergy
B. Overdose
C. Vasovagal syncope
,D. Nausea and vomiting
E. Hypertension - *A. Allergy*
Which of the following does most of the drug metabolism in the body?
A. Liver
B. Kidney
C. Thyroid
D. Parathyroid
E. Adrenal gland - *A. Liver*
Drug metabolism is carried out in the body by the liver, kidneys and intestines, but the
bulk of the work is done by the liver
Which of the following analgesics might your dentist tell a patient to avoid following
removal of third molars due to an increased risk of bleeding?
A. Tylenol
B. Percocet
C. Vicodin
D. Motrin
E. Lorcet - *D. Motrin*
Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID). It may cause stomach or
intestinal bleeding, which can be fatal.
What is a progressice disease in which the bone marrow produces and increased
number of immature or abnormal white cells?
A. Myeloma
B. Lymphoma
C. Leukemia
D. Rheumatoid arthritis
E. Hemophilia - *C. Leukemia*
Leukemia, is a group of cancers that usually begin in the bone marrow and result in high
numbers of abnormal white blood cells.
How does the maxilary central incisor compare to the maxillary central incisor in root
form?
A. Maxillary central incisor is longer
B. Maxillary lateral incisor is longer
C. Maxillary central incisor is shorter, but wider
D. Maxillary lateral incisor is shorter, but wider
E. They are both approximately the same length - *E. They are both approximately the
same length*
The maxillary lateral incisor is smaller than the maxillary central incisor in all dimensions
except root length
, You get a call from a frantic mom who claims her son has fallen off his bike and
"knocked: his front tooth out. She has the tooth and wants to come in so her son can be
seen. You tell her to hurry in with the tooth and tell her to transport the tooth in which of
the following?
A. Whole milk
B. Hanks balanced salt solution
C. Her sons cheek
D. Physiologic saline
E. All of the above - *E. All of the above*
The most often recommended are: salica, physiologic saline, milk and pH balanced cell
preserving fluids. Water and ice have been shown to damage tooth root cells. Teeth
should never be stored in them.
Which of the following is true concerning the well controlled diabetic?
A. Fasting blood sugar < 125 mg/dl
B. Post priandial < 140 mg/dl
C. HbA1C < 7%
D. Use maximum of 2 carpules Lidocaine with 1:100,000 epinephrine
E. All of the above - *E. All of the above*
Blood tests for diabetes:
- Fasting blood sugar (FBS): <125 mg/dL
- Current stringent FBS guideline: <100 mg/dL
- Post priandial (PP) or post meal: 140 mg/dL
- HbA1C (4-6%): <7% in controlled patients
- HbA1C >8%: Uncontrolled diabetes in the past 2-3 months
Which of the following is not a mechanism of action of fluoride?
a. Reduced acid soluubility
b. Enzyme inhibition
c. Decreased morphology
D. Polysaccharide synthesis
E. Lower free surface energy - *c. Decresed morphology*
Possible mechanisms of action of Fluoride:
- reduced acid solubility
*- improved morphology*
- enzyme inhibition
- polysaccharide synthesis
- lower free surface energy
- promotion of reminieralization
answers A graded
What is the smooth area between the eyebrows called?
A. Philtrum
B. Frontal region
C. Frontal eminence
D. Glabella
E. Tragus - *D. Glabella*
A. Philtrum - the groove between the upper lip and the nose
B. Frontal region - includes the forehead and the area superior to the eyes
C. Frontal eminence - prominence of the forehead
E. Tragus - smaller flap of tissue of the auricle anterior ro the external acoustic meatus
Research misconduct involves all of the following EXCEPT one. Which one is the
EXCEPTION?
A. Plagarism
B. Falsifying data
C. Eliminating conflicts of interest
D. Misrepresenting data
E. Patent infringement - *C. Eliminating conflicts of interest*
Research misconduct includes plagarism, copyright or patent infringement, falsifying or
fabricating data, misrepresenting data, and conflict of interest
During your periodontal charting, which of the following gingival features should be
included in your description?
A. Color
B. Contour
C. Consistency
D. Distribution
E. All of the above - *E. All of the above*
Describe in the progress note:
- Color (coral pink, erythematous, cyanotic)
- Contour (knife-edge, rolled margin, bulbous, clefting)
- Consistency (firm, edematous, fibrotic)
- Texture (stippled, smooth/glossy)
- Distribution (generalized, localized)
As a group, ester-type local anesthetics area more likely than amide-type local
anesthetics to cause which of the following drug effects?
A. Allergy
B. Overdose
C. Vasovagal syncope
,D. Nausea and vomiting
E. Hypertension - *A. Allergy*
Which of the following does most of the drug metabolism in the body?
A. Liver
B. Kidney
C. Thyroid
D. Parathyroid
E. Adrenal gland - *A. Liver*
Drug metabolism is carried out in the body by the liver, kidneys and intestines, but the
bulk of the work is done by the liver
Which of the following analgesics might your dentist tell a patient to avoid following
removal of third molars due to an increased risk of bleeding?
A. Tylenol
B. Percocet
C. Vicodin
D. Motrin
E. Lorcet - *D. Motrin*
Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID). It may cause stomach or
intestinal bleeding, which can be fatal.
What is a progressice disease in which the bone marrow produces and increased
number of immature or abnormal white cells?
A. Myeloma
B. Lymphoma
C. Leukemia
D. Rheumatoid arthritis
E. Hemophilia - *C. Leukemia*
Leukemia, is a group of cancers that usually begin in the bone marrow and result in high
numbers of abnormal white blood cells.
How does the maxilary central incisor compare to the maxillary central incisor in root
form?
A. Maxillary central incisor is longer
B. Maxillary lateral incisor is longer
C. Maxillary central incisor is shorter, but wider
D. Maxillary lateral incisor is shorter, but wider
E. They are both approximately the same length - *E. They are both approximately the
same length*
The maxillary lateral incisor is smaller than the maxillary central incisor in all dimensions
except root length
, You get a call from a frantic mom who claims her son has fallen off his bike and
"knocked: his front tooth out. She has the tooth and wants to come in so her son can be
seen. You tell her to hurry in with the tooth and tell her to transport the tooth in which of
the following?
A. Whole milk
B. Hanks balanced salt solution
C. Her sons cheek
D. Physiologic saline
E. All of the above - *E. All of the above*
The most often recommended are: salica, physiologic saline, milk and pH balanced cell
preserving fluids. Water and ice have been shown to damage tooth root cells. Teeth
should never be stored in them.
Which of the following is true concerning the well controlled diabetic?
A. Fasting blood sugar < 125 mg/dl
B. Post priandial < 140 mg/dl
C. HbA1C < 7%
D. Use maximum of 2 carpules Lidocaine with 1:100,000 epinephrine
E. All of the above - *E. All of the above*
Blood tests for diabetes:
- Fasting blood sugar (FBS): <125 mg/dL
- Current stringent FBS guideline: <100 mg/dL
- Post priandial (PP) or post meal: 140 mg/dL
- HbA1C (4-6%): <7% in controlled patients
- HbA1C >8%: Uncontrolled diabetes in the past 2-3 months
Which of the following is not a mechanism of action of fluoride?
a. Reduced acid soluubility
b. Enzyme inhibition
c. Decreased morphology
D. Polysaccharide synthesis
E. Lower free surface energy - *c. Decresed morphology*
Possible mechanisms of action of Fluoride:
- reduced acid solubility
*- improved morphology*
- enzyme inhibition
- polysaccharide synthesis
- lower free surface energy
- promotion of reminieralization
