NBDHE Mock Exam Review Questions
With Complete Solutions
What is myxedema? - Answers-Hypothyroidism in adults
According to the American Heart Association guideline, which of the following heart
conditions does NOT require premedication?
A.) Incompletely repaired cyanotic congenital heart disease
B.) History of infective endocarditis
C.) Rheumatic heart disease
D.) Artificial heart valve - Answers-C.) Rheumatic heart disease
Which of the following is NOT correct regarding furcations?
A.) They can be detected on anterior teeth
B.) They can be detected on the posterior teeth
C.) They can be visible when recession is present
D.) They can present a challenge to the clinician during instrumentation - Answers-A.)
They can be detected on anterior teeth
What description is related to the patient who had a spinal injury at C2 and C3 level? -
Answers-Patient has limited head and neck movement and patient may depend on a
ventilator for respiration
Injury at the C5 level - Answers-Will allow the patient to have shoulder control and
perform daily tasks of eating.
Injury at the C7 level - Answers-Will allow the patient to have wrist and elbow
movements as well.
Injury below the T (thoracic) level - Answers-Will allow the normal motor function of the
upper body.
Which type of hypersensitivity has the MOST delayed response? - Answers-Type IV
The clinician changed the 8 inches PID to a 16 inches PID. How will the beam intensity
change? - Answers-1/4 times stronger
To determine if the client has calculus deposits on the proximal surfaces of the posterior
teeth, which instrument with which stroke should be used? - Answers-11/12 explorer,
fluid stroke
,T-test - Answers-compares the means (averages) of two different studies
ANOVA (analysis of varience) - Answers-compares the means of three or more studies
Chi-square test - Answers-measures the difference between the observed and expected
values, not means
P-value - Answers-measures result that occurred by chance during an experiment
Incisors are used for, - Answers-Biting and cutting
How many bones are there in the middle ear? - Answers-3
They are the malleus, incus, and stapes.
How many cranial bones are there? - Answers-8
(occipital, 2 temporal, 2 parietal, sphenoid, ethmoid, and fronal bones)
How many facial bones are there? - Answers-14
(vomer, 2 conchae, 2 nasal, 2 macilla, mandible, 2 palatine, 2 zygomatic, and 2 lacrimal
bones)
With amelogenesis imperfecta, the enamel may, - Answers-Have pitting
Appear yellow
Chip easily
Expose dentin
What is the normal Prothrombin time (PT)? - Answers-11-16 seconds
Which of the following is NOT a function of a mirror?
A.) Soft tissue retraction
B.) Indirect vision
C.) Direct illumination
D.) Transillumination - Answers-C.) Direct illumination
Blood pressure of 142/92 mmHg is categorized as, - Answers-Hypertension stage 1
Normal blood pressure - Answers-should be under 120/80 mmHg
Pre-hypertension - Answers-120-139/80-89 mmHg
Hypertension stage 1 - Answers-140-159/90-99 mmHg
Hypertension stage 2 - Answers-160-179/100-109 mmHg
, Which symptom is related to Alzheimer's disease?
A.) Inability to recall recent events
B.) Resting tremors
C.) Unilateral weakness
D.) Bradykinesia - Answers-A.) Inability to recall recent events
Which anatomic feature of the maxillary molar is used to assess the occlusion in Angle's
classification? - Answers-Mesiobuccal cusp
What is the side effect of the drug cyclosporine (Sandimmune)? - Answers-Gingival
hyperplasia
Which vitamin is important for night vision? - Answers-Vitamin A
Which on of the following is NOT true regarding instrument sharpening techniques?
A.) The angle between the instrument face and the stone should be at 110 degrees.
B.) The original shape of the instrument should be preserved
C.) The internal angle of the cutting blade of a curette should be maintained at 70
degrees.
D.) Sharpen from toe to heel of the working end - Answers-D.) Sharpen from toe to heel
of the working end
Which part of an atom is NOT responsible for its mass?
A.) Electrons
B.) Protons
C.) Neutrons
D.) Nucleus - Answers-A.) Electrons
Which antihypertensive agent is associated with gingival enlargement? - Answers-
Nifedipine
Calcium channel blocker - Answers-ends with suffix - pine
Ex: Nifedipine
Beta blocker - Answers-ends with olol
Ex: Atenolol
Angiotensin converting enzyme (ACE) inhibitor - Answers-ends with - pril
Ex: Enalpril
Angiotensin II receptor blockers (ARB) - Answers-ends with - tan
Ex: Losartan
With Complete Solutions
What is myxedema? - Answers-Hypothyroidism in adults
According to the American Heart Association guideline, which of the following heart
conditions does NOT require premedication?
A.) Incompletely repaired cyanotic congenital heart disease
B.) History of infective endocarditis
C.) Rheumatic heart disease
D.) Artificial heart valve - Answers-C.) Rheumatic heart disease
Which of the following is NOT correct regarding furcations?
A.) They can be detected on anterior teeth
B.) They can be detected on the posterior teeth
C.) They can be visible when recession is present
D.) They can present a challenge to the clinician during instrumentation - Answers-A.)
They can be detected on anterior teeth
What description is related to the patient who had a spinal injury at C2 and C3 level? -
Answers-Patient has limited head and neck movement and patient may depend on a
ventilator for respiration
Injury at the C5 level - Answers-Will allow the patient to have shoulder control and
perform daily tasks of eating.
Injury at the C7 level - Answers-Will allow the patient to have wrist and elbow
movements as well.
Injury below the T (thoracic) level - Answers-Will allow the normal motor function of the
upper body.
Which type of hypersensitivity has the MOST delayed response? - Answers-Type IV
The clinician changed the 8 inches PID to a 16 inches PID. How will the beam intensity
change? - Answers-1/4 times stronger
To determine if the client has calculus deposits on the proximal surfaces of the posterior
teeth, which instrument with which stroke should be used? - Answers-11/12 explorer,
fluid stroke
,T-test - Answers-compares the means (averages) of two different studies
ANOVA (analysis of varience) - Answers-compares the means of three or more studies
Chi-square test - Answers-measures the difference between the observed and expected
values, not means
P-value - Answers-measures result that occurred by chance during an experiment
Incisors are used for, - Answers-Biting and cutting
How many bones are there in the middle ear? - Answers-3
They are the malleus, incus, and stapes.
How many cranial bones are there? - Answers-8
(occipital, 2 temporal, 2 parietal, sphenoid, ethmoid, and fronal bones)
How many facial bones are there? - Answers-14
(vomer, 2 conchae, 2 nasal, 2 macilla, mandible, 2 palatine, 2 zygomatic, and 2 lacrimal
bones)
With amelogenesis imperfecta, the enamel may, - Answers-Have pitting
Appear yellow
Chip easily
Expose dentin
What is the normal Prothrombin time (PT)? - Answers-11-16 seconds
Which of the following is NOT a function of a mirror?
A.) Soft tissue retraction
B.) Indirect vision
C.) Direct illumination
D.) Transillumination - Answers-C.) Direct illumination
Blood pressure of 142/92 mmHg is categorized as, - Answers-Hypertension stage 1
Normal blood pressure - Answers-should be under 120/80 mmHg
Pre-hypertension - Answers-120-139/80-89 mmHg
Hypertension stage 1 - Answers-140-159/90-99 mmHg
Hypertension stage 2 - Answers-160-179/100-109 mmHg
, Which symptom is related to Alzheimer's disease?
A.) Inability to recall recent events
B.) Resting tremors
C.) Unilateral weakness
D.) Bradykinesia - Answers-A.) Inability to recall recent events
Which anatomic feature of the maxillary molar is used to assess the occlusion in Angle's
classification? - Answers-Mesiobuccal cusp
What is the side effect of the drug cyclosporine (Sandimmune)? - Answers-Gingival
hyperplasia
Which vitamin is important for night vision? - Answers-Vitamin A
Which on of the following is NOT true regarding instrument sharpening techniques?
A.) The angle between the instrument face and the stone should be at 110 degrees.
B.) The original shape of the instrument should be preserved
C.) The internal angle of the cutting blade of a curette should be maintained at 70
degrees.
D.) Sharpen from toe to heel of the working end - Answers-D.) Sharpen from toe to heel
of the working end
Which part of an atom is NOT responsible for its mass?
A.) Electrons
B.) Protons
C.) Neutrons
D.) Nucleus - Answers-A.) Electrons
Which antihypertensive agent is associated with gingival enlargement? - Answers-
Nifedipine
Calcium channel blocker - Answers-ends with suffix - pine
Ex: Nifedipine
Beta blocker - Answers-ends with olol
Ex: Atenolol
Angiotensin converting enzyme (ACE) inhibitor - Answers-ends with - pril
Ex: Enalpril
Angiotensin II receptor blockers (ARB) - Answers-ends with - tan
Ex: Losartan
