NBDHE board exam questions
NBDHE Board Exam with Questions and
Answers
Question 1
If the ventral root of a spinal nerve were sectioned, what would be the result in the
tissue or regions supplied by the nerve?
a. loss of sensation
b. loss of motor control
c. loss of sensation and movement
d. partial loss of sensation and movement
Correct Answer
b. loss of motor control
Question 2
corticospinal tract
a. fibers are located in grey columns of the cord
b. fibers come from neuron cell bodies located in the spinal cord
c. fibers synapse with neurons in the cerebellar cortex
d. fibers are descending fibers from the cells in the primary motor cortex of the
frontal lobe
Correct Answer
d. fibers are descending fibers from the cells in the primary motor cortex of the
frontal lobe
Question 3
which oral health concern is NOT shared by members of BOTH child and adolescent
populations?
a. dental caries
b. dental development
c. controlling risk factors for disease
d. periodontitis
Correct Answer
d. periodontitis
Page 1 of 175
, NBDHE board exam questions
Question 4
The primary motor area of the brain is the
a. precentral gyrus
b. postcentral gyrus
c. temporal lobe
d. occipital lobe
Correct Answer
a. precentral gyrus
Question 5
which of the following pathogens connected to periodontal disease is the MOST
common?
a. prevotella intermedia
b. campylobacter rectus
c. fusobacterium nucleatum
d. prophyromonasgingivalis
Correct Answer
d. prophyromonasgingivalis
Question 6
which of the following periodontal indices would be used to complete a full mouth
periodontal assessment?
a. PI or Russell Index
b. PDI or Ramfjord Index
c. PSR
d. CPITN
Correct Answer
b. PDI or Ramfjord Index
Page 2 of 175
, NBDHE board exam questions
Question 7
Which of the following functions are conducted in the dorsal columns of the spinal
cord, that is, in the fasciculus graciles and cuneatus?
a. high degree of location
b. vibratory sense
c. fine gradations of pressure
d. all of the above
Correct Answer
d. all of the above
Question 8
The neurotransmitter substance released at the postganglionic terminal of the
parasympathetic division of the autonomic nervous system is
a. norepinephrine
b. epinephrine
c. cholinesterase
d. acetylcholine
Correct Answer
d. acetylcholine
Question 9
Bilabial creates the sounds associated with the letters b, p, and m. It is created when
lips are pressed together. These and other speech sounds are considered:
a. sound gradation
b. anatomic sound formation
c. sound irregularities
d. anatomic speech mechanisms
Correct Answer
b. anatomic sound formation
Page 3 of 175
, NBDHE board exam questions
Question 10
all of the following are types of palpation used in an extraoral/intraoral examination
EXCEPT one. Which one is the EXCEPTION?
a. bilateral
b. lateral
c. digital
d. bidigital
Correct Answer
b. lateral
Question 11
Norepinephrine and epinephrine are released from
a. preganglionic and postganglionic fibers of the sympathetic nervous system
b. neuromyal junction
c. postganglionic fibers of the sympathetic nervous system and the adrenal medulla
d. all of the above
Correct Answer
c. postganglionic fibers of the sympathetic nervous system and the adrenal medulla
Question 12
All of the following are autonomic effects on the body except regulation of
a. heart rate
b. digestive secretion
c. skeletal muscle tone
d. glandular secretion
Correct Answer
c. skeletal muscle tone
Page 4 of 175
NBDHE Board Exam with Questions and
Answers
Question 1
If the ventral root of a spinal nerve were sectioned, what would be the result in the
tissue or regions supplied by the nerve?
a. loss of sensation
b. loss of motor control
c. loss of sensation and movement
d. partial loss of sensation and movement
Correct Answer
b. loss of motor control
Question 2
corticospinal tract
a. fibers are located in grey columns of the cord
b. fibers come from neuron cell bodies located in the spinal cord
c. fibers synapse with neurons in the cerebellar cortex
d. fibers are descending fibers from the cells in the primary motor cortex of the
frontal lobe
Correct Answer
d. fibers are descending fibers from the cells in the primary motor cortex of the
frontal lobe
Question 3
which oral health concern is NOT shared by members of BOTH child and adolescent
populations?
a. dental caries
b. dental development
c. controlling risk factors for disease
d. periodontitis
Correct Answer
d. periodontitis
Page 1 of 175
, NBDHE board exam questions
Question 4
The primary motor area of the brain is the
a. precentral gyrus
b. postcentral gyrus
c. temporal lobe
d. occipital lobe
Correct Answer
a. precentral gyrus
Question 5
which of the following pathogens connected to periodontal disease is the MOST
common?
a. prevotella intermedia
b. campylobacter rectus
c. fusobacterium nucleatum
d. prophyromonasgingivalis
Correct Answer
d. prophyromonasgingivalis
Question 6
which of the following periodontal indices would be used to complete a full mouth
periodontal assessment?
a. PI or Russell Index
b. PDI or Ramfjord Index
c. PSR
d. CPITN
Correct Answer
b. PDI or Ramfjord Index
Page 2 of 175
, NBDHE board exam questions
Question 7
Which of the following functions are conducted in the dorsal columns of the spinal
cord, that is, in the fasciculus graciles and cuneatus?
a. high degree of location
b. vibratory sense
c. fine gradations of pressure
d. all of the above
Correct Answer
d. all of the above
Question 8
The neurotransmitter substance released at the postganglionic terminal of the
parasympathetic division of the autonomic nervous system is
a. norepinephrine
b. epinephrine
c. cholinesterase
d. acetylcholine
Correct Answer
d. acetylcholine
Question 9
Bilabial creates the sounds associated with the letters b, p, and m. It is created when
lips are pressed together. These and other speech sounds are considered:
a. sound gradation
b. anatomic sound formation
c. sound irregularities
d. anatomic speech mechanisms
Correct Answer
b. anatomic sound formation
Page 3 of 175
, NBDHE board exam questions
Question 10
all of the following are types of palpation used in an extraoral/intraoral examination
EXCEPT one. Which one is the EXCEPTION?
a. bilateral
b. lateral
c. digital
d. bidigital
Correct Answer
b. lateral
Question 11
Norepinephrine and epinephrine are released from
a. preganglionic and postganglionic fibers of the sympathetic nervous system
b. neuromyal junction
c. postganglionic fibers of the sympathetic nervous system and the adrenal medulla
d. all of the above
Correct Answer
c. postganglionic fibers of the sympathetic nervous system and the adrenal medulla
Question 12
All of the following are autonomic effects on the body except regulation of
a. heart rate
b. digestive secretion
c. skeletal muscle tone
d. glandular secretion
Correct Answer
c. skeletal muscle tone
Page 4 of 175
