MOSBY’S DENTAL HYGIENE BOARD
REVIEW 2026 FULL SET |
COMPREHENSIVE NBDHE QUESTIONS
AND ANSWERS STUDY GUIDE
GRADED A+ | GUARANTEED SUCCESS
Updated 2026 Questions and Answers| 100% Verified
Exam Prep and Comprehensive Rationales Included
,What is the purpose of the synovial membrane in a A. Secrete fluid into the joint cavity
synovial joint?
A Secrete fluid into the joint cavity B Surround the joint
like a fibrous sleeve C Innervate the muscles that move
the joint D Convey a sense of position and movement
Which component of a nerve conducts impulses D.Dendrite
A Axon B Soma C Neuron D Dendrite
Which spinal vertebrae fuse together form triangular A. Sacral
mass?
A Sacral B Lumbar C Cervical D Thoracic
T/F The ophthalmic nerve is the first division of the fifth A. Both statements are true
cranial nerve (V), the trigeminal nerve. The maxillary
nerve is the second division of the trigeminal nerve.
A Both statements are true. B Both statements are false. C
The first statement is true, and the second statement is
false. D The first statement is false, and the second
statement is true.
Which injections technique would be used to achieve D. Posterosuperior alveolar block
anesthesia of teeth # 15 and # 16?
A Nasopalatine block
B Anterosuperior alveolar block
C Middle superior alveolar block
D Posterosuperior alveolar block
The infraorbital foramen is located in which bone? B. Maxilla
9. The infraorbital foramen is located in which bone?
A Frontal
B Maxilla
C Zygomatic
D Sphenoid
All of the following are foramina in the sphenoid bone A. incisive foramen
EXCEPT the
A. Incisive papilla
B. Superior orbital fissure
C. Foramen ovale
D. Foramen rotundum
Which muscle retracts the tongue? C. Styloglossus
A Genioglossus
B Hyloglossus
C Styloglossus
D Palatoglossus
Which plane of dissection divides the body into anterior A. Frontal
and posterior portions?
,Teeth # 3 and # 14 are contralateral to each other
A ipsilateral to each other.
B contralateral to each other.
C inferior to each other.
D superficial to each other
The following characteristics describe muscle tissue B. Muscle cells are called sarcomeres.
EXCEPT one. Which one is the EXCEPTION?
A. Each muscle has two ends
B. Muscle cells are called sarcomeres
C. Muscles are categorized according to their role in
movement
D. The muscle origin is attached the least movable part
E. The muscle insertion is attached to the most movable
part
Which lymph nodes drain both sides of the chin, the B. Submental
lower lip, the floor of the mandibular incisors?
A Facial B Submental C Submandibular D
Retropharyngeal
Which endocrine gland matures T-lymphocytes for the B. Thymus
immune system and undergoes involution (reduces in
size) after puberty?
A Thyroid
B Thymus
C Pancreas
D Parathyroid
The corrugator supercilii is a muscle of facial expression A. Eye
in which region?
A Eye B Nose C Mouth D Scalp
Which muscle elevates the mandible? C. Medial pterygoid
A Risorius B Buccinator C Medial pterygoid D Lateral
pterygoid
Which muscle originates from the alveolar process the C. Buccinator
maxilla, the alveolar process of the mandible, and the
pterygomandibular raphe?
A Masseter B Risorius C Buccinator D
Sternocleidomastoid
, Which part of the brain homeostasis? D. Hypothalamus
A Medulla B Thalamus C Cerebellum D Hypothalamus
Which branch of the trigeminal nerve contains both Mandibular V3
sensory and motor components?
A Ophthalmic V1 B Maxillary V2 C Mandibular V3
Which of the following are divisions or systems of the Sympathetic system, parasympathetic system
autonomic nervous system?
Which cranial provides parasympathetic innervation to X
the cardiac muscles, thymus, and stomach? Vagus (mixed nerve)
The vagus nerve (cranial nerve X)
Which of the following is NOT innervated by the middle Distobuccal root of tooth # 2
superior alveolar nerve?
The muscles of facial expression innervated by which C. VII
nerve? Facial Cranial Nerve ( mixed)
A IV B V C VII D VIII
Which vein receives blood flow from the superficial D. Retromandibular
temporal vein and the facial vein and drains into the
external jugular vein?
A Maxillary B Ophthalmic C Inferior alveolar D
Retromandibular
The articulation of the temporomandibular joint involves C. Temporal bone , mandibular condyles
which two bones?
A Temporal bone, mental protuberance B Sphenoid
bone, coronoid process of the mandible C Temporal
bone, mandibular condyles
Which artery supplies the mandibular teeth and the C. Inferior alveolar
surrounding tissues with blood?
A Facial B Lingual C Inferior alveolar D Pterygoid plexus
REVIEW 2026 FULL SET |
COMPREHENSIVE NBDHE QUESTIONS
AND ANSWERS STUDY GUIDE
GRADED A+ | GUARANTEED SUCCESS
Updated 2026 Questions and Answers| 100% Verified
Exam Prep and Comprehensive Rationales Included
,What is the purpose of the synovial membrane in a A. Secrete fluid into the joint cavity
synovial joint?
A Secrete fluid into the joint cavity B Surround the joint
like a fibrous sleeve C Innervate the muscles that move
the joint D Convey a sense of position and movement
Which component of a nerve conducts impulses D.Dendrite
A Axon B Soma C Neuron D Dendrite
Which spinal vertebrae fuse together form triangular A. Sacral
mass?
A Sacral B Lumbar C Cervical D Thoracic
T/F The ophthalmic nerve is the first division of the fifth A. Both statements are true
cranial nerve (V), the trigeminal nerve. The maxillary
nerve is the second division of the trigeminal nerve.
A Both statements are true. B Both statements are false. C
The first statement is true, and the second statement is
false. D The first statement is false, and the second
statement is true.
Which injections technique would be used to achieve D. Posterosuperior alveolar block
anesthesia of teeth # 15 and # 16?
A Nasopalatine block
B Anterosuperior alveolar block
C Middle superior alveolar block
D Posterosuperior alveolar block
The infraorbital foramen is located in which bone? B. Maxilla
9. The infraorbital foramen is located in which bone?
A Frontal
B Maxilla
C Zygomatic
D Sphenoid
All of the following are foramina in the sphenoid bone A. incisive foramen
EXCEPT the
A. Incisive papilla
B. Superior orbital fissure
C. Foramen ovale
D. Foramen rotundum
Which muscle retracts the tongue? C. Styloglossus
A Genioglossus
B Hyloglossus
C Styloglossus
D Palatoglossus
Which plane of dissection divides the body into anterior A. Frontal
and posterior portions?
,Teeth # 3 and # 14 are contralateral to each other
A ipsilateral to each other.
B contralateral to each other.
C inferior to each other.
D superficial to each other
The following characteristics describe muscle tissue B. Muscle cells are called sarcomeres.
EXCEPT one. Which one is the EXCEPTION?
A. Each muscle has two ends
B. Muscle cells are called sarcomeres
C. Muscles are categorized according to their role in
movement
D. The muscle origin is attached the least movable part
E. The muscle insertion is attached to the most movable
part
Which lymph nodes drain both sides of the chin, the B. Submental
lower lip, the floor of the mandibular incisors?
A Facial B Submental C Submandibular D
Retropharyngeal
Which endocrine gland matures T-lymphocytes for the B. Thymus
immune system and undergoes involution (reduces in
size) after puberty?
A Thyroid
B Thymus
C Pancreas
D Parathyroid
The corrugator supercilii is a muscle of facial expression A. Eye
in which region?
A Eye B Nose C Mouth D Scalp
Which muscle elevates the mandible? C. Medial pterygoid
A Risorius B Buccinator C Medial pterygoid D Lateral
pterygoid
Which muscle originates from the alveolar process the C. Buccinator
maxilla, the alveolar process of the mandible, and the
pterygomandibular raphe?
A Masseter B Risorius C Buccinator D
Sternocleidomastoid
, Which part of the brain homeostasis? D. Hypothalamus
A Medulla B Thalamus C Cerebellum D Hypothalamus
Which branch of the trigeminal nerve contains both Mandibular V3
sensory and motor components?
A Ophthalmic V1 B Maxillary V2 C Mandibular V3
Which of the following are divisions or systems of the Sympathetic system, parasympathetic system
autonomic nervous system?
Which cranial provides parasympathetic innervation to X
the cardiac muscles, thymus, and stomach? Vagus (mixed nerve)
The vagus nerve (cranial nerve X)
Which of the following is NOT innervated by the middle Distobuccal root of tooth # 2
superior alveolar nerve?
The muscles of facial expression innervated by which C. VII
nerve? Facial Cranial Nerve ( mixed)
A IV B V C VII D VIII
Which vein receives blood flow from the superficial D. Retromandibular
temporal vein and the facial vein and drains into the
external jugular vein?
A Maxillary B Ophthalmic C Inferior alveolar D
Retromandibular
The articulation of the temporomandibular joint involves C. Temporal bone , mandibular condyles
which two bones?
A Temporal bone, mental protuberance B Sphenoid
bone, coronoid process of the mandible C Temporal
bone, mandibular condyles
Which artery supplies the mandibular teeth and the C. Inferior alveolar
surrounding tissues with blood?
A Facial B Lingual C Inferior alveolar D Pterygoid plexus
