1|Page
NBDHE EXAM VERSION 1 NEWEST 2025/2026
COMPLETE 200 QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+||BRAND NEW VERSION!!
VERSION 1
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
,2|Page
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
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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
Chi-square test .....answer.....measures the difference between the
observed and expected values, not means
P-value .....answer.....measures result that occurred by chance
during an experiment
Incisors are used for, .....answer.....Biting and cutting
How many bones are there in the middle ear? .....answer.....3
They are the malleus, incus, and stapes.
How many cranial bones are there? .....answer.....8
(occipital, 2 temporal, 2 parietal, sphenoid, ethmoid, and fronal
bones)
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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
NBDHE EXAM VERSION 1 NEWEST 2025/2026
COMPLETE 200 QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+||BRAND NEW VERSION!!
VERSION 1
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
,2|Page
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
,3|Page
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
Chi-square test .....answer.....measures the difference between the
observed and expected values, not means
P-value .....answer.....measures result that occurred by chance
during an experiment
Incisors are used for, .....answer.....Biting and cutting
How many bones are there in the middle ear? .....answer.....3
They are the malleus, incus, and stapes.
How many cranial bones are there? .....answer.....8
(occipital, 2 temporal, 2 parietal, sphenoid, ethmoid, and fronal
bones)
, 4|Page
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
