NBDHE MOCK EXAM
REVIEW| WITH CORRECT
UPDATES IN 2025|2026
How many cranial bones are there? - ANSWER:-->//8
(occipital, 2 temporal, 2 parietal, sphenoid, ethmoid, and fronal bones)
How many facial bones are there? - ANSWER:-->//14
(vomer, 2 conchae, 2 nasal, 2 macilla, mandible, 2 palatine, 2 zygomatic, and 2 lacrimal
bones)
With amelogenesis imperfecta, the enamel may, - ANSWER:-->//Have pitting
Appear yellow
Chip easily
Expose dentin
What is the normal Prothrombin time (PT)? - ANSWER:-->//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 - ANSWER:-->//C.) Direct illumination
Blood pressure of 142/92 mmHg is categorized as, - ANSWER:-->//Hypertension stage
1
Normal blood pressure - ANSWER:-->//should be under 120/80 mmHg
Pre-hypertension - ANSWER:-->//120-139/80-89 mmHg
Hypertension stage 1 - ANSWER:-->//140-159/90-99 mmHg
Hypertension stage 2 - ANSWER:-->//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 - ANSWER:-->//A.) Inability to recall recent events
Which anatomic feature of the maxillary molar is used to assess the occlusion in
Angle's classification? - ANSWER:-->//Mesiobuccal cusp
,What is the side effect of the drug cyclosporine (Sandimmune)? - ANSWER:--
>//Gingival hyperplasia
Which vitamin is important for night vision? - ANSWER:-->//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 - ANSWER:-->//D.) Sharpen from toe
to heel of the working end What is myxedema? - ANSWER:-->//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 - ANSWER:-->//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 - ANSWER:--
>//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? -
ANSWER:-->//Patient has limited head and neck movement and patient may depend on
a ventilator for respiration
Injury at the C5 level - ANSWER:-->//Will allow the patient to have shoulder control
and perform daily tasks of eating.
Injury at the C7 level - ANSWER:-->//Will allow the patient to have wrist and elbow
movements as well.
Injury below the T (thoracic) level - ANSWER:-->//Will allow the normal motor function
of the upper body.
Which type of hypersensitivity has the MOST delayed response? - ANSWER:-->//Type IV
The clinician changed the 8 inches PID to a 16 inches PID. How will the beam intensity
change? - ANSWER:-->//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? - ANSWER:--
>//11/12 explorer, fluid stroke
T-test - ANSWER:-->//compares the means (averages) of two different studies
ANOVA (analysis of varience) - ANSWER:-->//compares the means of three or more
studies
REVIEW| WITH CORRECT
UPDATES IN 2025|2026
How many cranial bones are there? - ANSWER:-->//8
(occipital, 2 temporal, 2 parietal, sphenoid, ethmoid, and fronal bones)
How many facial bones are there? - ANSWER:-->//14
(vomer, 2 conchae, 2 nasal, 2 macilla, mandible, 2 palatine, 2 zygomatic, and 2 lacrimal
bones)
With amelogenesis imperfecta, the enamel may, - ANSWER:-->//Have pitting
Appear yellow
Chip easily
Expose dentin
What is the normal Prothrombin time (PT)? - ANSWER:-->//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 - ANSWER:-->//C.) Direct illumination
Blood pressure of 142/92 mmHg is categorized as, - ANSWER:-->//Hypertension stage
1
Normal blood pressure - ANSWER:-->//should be under 120/80 mmHg
Pre-hypertension - ANSWER:-->//120-139/80-89 mmHg
Hypertension stage 1 - ANSWER:-->//140-159/90-99 mmHg
Hypertension stage 2 - ANSWER:-->//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 - ANSWER:-->//A.) Inability to recall recent events
Which anatomic feature of the maxillary molar is used to assess the occlusion in
Angle's classification? - ANSWER:-->//Mesiobuccal cusp
,What is the side effect of the drug cyclosporine (Sandimmune)? - ANSWER:--
>//Gingival hyperplasia
Which vitamin is important for night vision? - ANSWER:-->//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 - ANSWER:-->//D.) Sharpen from toe
to heel of the working end What is myxedema? - ANSWER:-->//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 - ANSWER:-->//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 - ANSWER:--
>//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? -
ANSWER:-->//Patient has limited head and neck movement and patient may depend on
a ventilator for respiration
Injury at the C5 level - ANSWER:-->//Will allow the patient to have shoulder control
and perform daily tasks of eating.
Injury at the C7 level - ANSWER:-->//Will allow the patient to have wrist and elbow
movements as well.
Injury below the T (thoracic) level - ANSWER:-->//Will allow the normal motor function
of the upper body.
Which type of hypersensitivity has the MOST delayed response? - ANSWER:-->//Type IV
The clinician changed the 8 inches PID to a 16 inches PID. How will the beam intensity
change? - ANSWER:-->//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? - ANSWER:--
>//11/12 explorer, fluid stroke
T-test - ANSWER:-->//compares the means (averages) of two different studies
ANOVA (analysis of varience) - ANSWER:-->//compares the means of three or more
studies