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NBDHE EXAM – NATIONAL BOARD DENTAL HYGIENE
EXAMINATION QUESTION BANK 2025/2026 ACTUAL EXAM
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) ALL ANSWERED
{180 Q & A} ALREADY GRADED A+/ NATIONAL BOARD
DENTAL HYGIENE EXAMINATION |BRAND NEW!
1. During swallowing,the hyoid bone movesdownward.During
swallowing,the larynx elevates.
a. Both statementsare true
b. Both statementsare false
c. The first statementis true, the secondstatementis false
d. The first statementis false,the secondstatementis true - ✔✔✔
CorrectAnswer> d - false/true
Duringswallowing,
thehyoidbonemovesupwardasthelarynxelevates.
After
movingupward,thehyoidbonemovesforwardthenreturnstoits starting
position.
2. Which nervoussystemproducesthe fight-or-flight reaction?
a. Parasympathetic
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b. Sympathetic
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c. Peripheral
d. Central- ✔✔✔ CorrectAnswer> b - The sympatheticnervoussystemreleases
norepinephrine
toraisetheheartrateandelevatebloodpressure,triggeringthe
fightor flightreactionin a stressfulsituation.
3. A patientis experiencingsymptomsrelatedto Bell's palsy. Which
cranial nerve is suffering from a motor deficit?
a. Facial
b. Trigeminal
c. Trochlear
d. Hypoglossal- ✔✔✔ CorrectAnswer> a - Bell'spalsycauseslossof movementto
musclesduetolesionsin thefacialnerve.This conditionis bilateralandusuallyis
onlytemporary,
thoughit maytakeseveralweeksprior toreturningto normal
use.
4. What is mobilized in and out of the blood during bone
remodeling?
a. Canaliculi
b. Osteoclasts
c. Calcium
d. Osteoblasts- ✔✔✔ CorrectAnswer> c - Calcium is mobilizedin and out of the
bloodstream
duringboneremodeling.
This allowsnewboneformationtooccurin
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areas ofthebodywhereit is needed.
NBDHE EXAM – NATIONAL BOARD DENTAL HYGIENE
EXAMINATION QUESTION BANK 2025/2026 ACTUAL EXAM
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) ALL ANSWERED
{180 Q & A} ALREADY GRADED A+/ NATIONAL BOARD
DENTAL HYGIENE EXAMINATION |BRAND NEW!
1. During swallowing,the hyoid bone movesdownward.During
swallowing,the larynx elevates.
a. Both statementsare true
b. Both statementsare false
c. The first statementis true, the secondstatementis false
d. The first statementis false,the secondstatementis true - ✔✔✔
CorrectAnswer> d - false/true
Duringswallowing,
thehyoidbonemovesupwardasthelarynxelevates.
After
movingupward,thehyoidbonemovesforwardthenreturnstoits starting
position.
2. Which nervoussystemproducesthe fight-or-flight reaction?
a. Parasympathetic
,2|Page
b. Sympathetic
,3|Page
c. Peripheral
d. Central- ✔✔✔ CorrectAnswer> b - The sympatheticnervoussystemreleases
norepinephrine
toraisetheheartrateandelevatebloodpressure,triggeringthe
fightor flightreactionin a stressfulsituation.
3. A patientis experiencingsymptomsrelatedto Bell's palsy. Which
cranial nerve is suffering from a motor deficit?
a. Facial
b. Trigeminal
c. Trochlear
d. Hypoglossal- ✔✔✔ CorrectAnswer> a - Bell'spalsycauseslossof movementto
musclesduetolesionsin thefacialnerve.This conditionis bilateralandusuallyis
onlytemporary,
thoughit maytakeseveralweeksprior toreturningto normal
use.
4. What is mobilized in and out of the blood during bone
remodeling?
a. Canaliculi
b. Osteoclasts
c. Calcium
d. Osteoblasts- ✔✔✔ CorrectAnswer> c - Calcium is mobilizedin and out of the
bloodstream
duringboneremodeling.
This allowsnewboneformationtooccurin
, 4|Page
areas ofthebodywhereit is needed.
