Dental hygiene board review Exam
questions and Answers
Which plane of dissection divides the body into anterior and posterior portions? -
ANSWER-Frontal
Teeth # 3 and # 14 are - ANSWER-contralateral to each other
The following characteristics describe muscle tissue 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 - ANSWER-B. Muscle
cells are called sarcomeres.
Which paired muscle covers most of the lateral aspect of the ramus of the mandible? -
ANSWER-Masseter
The fibrous connective tissue membrane covering the outside of bone is called the -
ANSWER-periosteum
What is the purpose of the synovial membrane in a synovial joint? - ANSWER-Secrete
fluid into the joint cavity
Which branch of the trigeminal nerve contains both sensory and motor components? -
ANSWER-Mandibular V3
Which of the following are divisions or systems of the autonomic nervous system? -
ANSWER-Sympathetic system, parasympathetic system
Which cranial provides parasympathetic innervation to the cardiac muscles, thymus,
and stomach? - ANSWER-X
Which of the following is NOT innervated by the middle superior alveolar nerve? -
ANSWER-Distobuccal root of tooth # 2
The muscles of facial expression innervated by which nerve? - ANSWER-VII
Which component of a nerve conducts impulses - ANSWER-Dendrite
Which spinal vertebrae fuse together form triangular mass? - ANSWER-Sacral
,T/F The ophthalmic nerve is the first division of the fifth cranial nerve (V), the trigeminal
nerve. The maxillary nerve is the second division of the trigeminal nerve. - ANSWER-
Both statements are true
Which injections technique would be used to achieve anesthesia of teeth # 15 and #
16? - ANSWER-Posterosuperior alveolar block
The infraorbital foramen is located in which bone? - ANSWER-Maxilla
All of the following are foramina in the sphenoid bone EXCEPT the
A. Incisive papilla
B. Superior orbital fissure
C. Foramen ovale
D. Foramen rotundum - ANSWER-A. incisive foramen
Which muscle retracts the tongue? - ANSWER-Styloglossus
Which lymph nodes drain both sides of the chin, the lower lip, the floor of the
mandibular incisors? - ANSWER-Submental
Which endocrine gland matures T-lymphocytes for the immune system and undergoes
involution (reduces in size) after puberty? - ANSWER-Thymus
The corrugator supercilii is a muscle of facial expression in which region? - ANSWER-
Eye
Which muscle elevates the mandible? - ANSWER-Medial pterygoid
Which muscle originates from the alveolar process the maxilla, the alveolar process of
the mandible, and the pterygomandibular raphe? - ANSWER-Buccinator
Which part of the brain homeostasis? - ANSWER-Hypothalamus
Which vein receives blood flow from the superficial temporal vein and the facial vein and
drains into the external jugular vein? - ANSWER-Retromandibular
The articulation of the temporomandibular joint involves which two bones? - ANSWER-
Temporal bone , mandibular condyles
Which artery supplies the mandibular teeth and the surrounding tissues with blood? -
ANSWER-Inferior alveolar
Which major artery supplies the brain with blood and is palpated during emergency
situations? - ANSWER-Common carotid
,Which artery is the source of the ophthalmic artery, has NO branches, and is located
deep to the sternocleidomastoid muscle? - ANSWER-Internal carotid
The facial artery is a direct branch of which main artery? - ANSWER-External carotid
Which of the following arteries supplies maxillary anterior teeth with blood? - ANSWER-
Anterior superior alveolar
The facial vein drains each region of the head and neck EXCEPT one. Which one is the
EXCEPTION? - ANSWER-Orbital region
Veins of teeth have alveolar branches and dental branches. Which branch type would
drain the pulp tissue of teeth through the apical foramen? - ANSWER-Dental branches
Which vein has NO valves, drains most of the head and neck region, and does NOT
drain any of the dentition? - ANSWER-Internal jugular
T/F Many veins in the head and neck region lack valves. Valveless veins of the head
and neck contribute to the severe and rapid spread of dental infections. - ANSWER-
Both statements are true.
Each of the following is an afferent cranial nerve EXCEPT one. Which one is the
EXCEPTION?
A. Optic
B. Vagus
C. Olfactory
D. Hypoglossal - ANSWER-D. Hypoglossal
Which muscle, upon contraction, protrudes the tongue? - ANSWER-Genioglossus
Each of the following is a suprahyoid muscle EXCEPT one. Which one is the
EXCEPTION?
A. Mylohyoid
B. Geniohyoid
C. Stylohyoid
D. Sternohyoid - ANSWER-D. Sternohyoid
Cervical lymph nodes run along which muscle? - ANSWER-Sternocleidomastoid
For each numbered muscle, select the most closely linked facial expression from the list
provided.
1. Mentalis
, 2. Risorius
3. Corrugator supercilii
4. Levator anguli oris
5. Buccinator
a. frowning
b. raising chin and protruding
c. chewing
d. stretching lips
e. smiling - ANSWER-1. Mentalis- b. raising chin and protruding
2. Risorius- d. stretching lips
3. Corrugator supercilii- a. frowning
4. Levator anguli oris- e. smiling
5. Buccinator c. chewing
T/F The first branchial arch is also called the mandibular arch. The cartilage forming
within the mandibular arch is known Reichert cartilage. - ANSWER-The first statement
is true, and the second statement is false.
Each of the following is a period of prenatal development EXCEPT one. Which one is
the EXCEPTION?
A. Fetal
B. Ovulation
C. Embryo
D. Preimplantation - ANSWER-B. Ovulation
Which cells responsible for producing dentin? - ANSWER-Odontoblasts
Each of the following is a component of the tooth germ EXCEPT Which one is the
EXCEPTION?
A. Enamel organ
B. Dental sac
C. Dental lamina
D. Dental papilla
E. Dental follicle - ANSWER-C. Dental lamina
Division of a cell into two daughter cells occurs during which phase of mitosis? -
ANSWER-Telophase
The inner cells of the dental papilla will develop into which structure? - ANSWER-Pulp
The earliest indication of a part or an organ during prenatal development is referred to
as the - ANSWER-Inner enamel epithelium
questions and Answers
Which plane of dissection divides the body into anterior and posterior portions? -
ANSWER-Frontal
Teeth # 3 and # 14 are - ANSWER-contralateral to each other
The following characteristics describe muscle tissue 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 - ANSWER-B. Muscle
cells are called sarcomeres.
Which paired muscle covers most of the lateral aspect of the ramus of the mandible? -
ANSWER-Masseter
The fibrous connective tissue membrane covering the outside of bone is called the -
ANSWER-periosteum
What is the purpose of the synovial membrane in a synovial joint? - ANSWER-Secrete
fluid into the joint cavity
Which branch of the trigeminal nerve contains both sensory and motor components? -
ANSWER-Mandibular V3
Which of the following are divisions or systems of the autonomic nervous system? -
ANSWER-Sympathetic system, parasympathetic system
Which cranial provides parasympathetic innervation to the cardiac muscles, thymus,
and stomach? - ANSWER-X
Which of the following is NOT innervated by the middle superior alveolar nerve? -
ANSWER-Distobuccal root of tooth # 2
The muscles of facial expression innervated by which nerve? - ANSWER-VII
Which component of a nerve conducts impulses - ANSWER-Dendrite
Which spinal vertebrae fuse together form triangular mass? - ANSWER-Sacral
,T/F The ophthalmic nerve is the first division of the fifth cranial nerve (V), the trigeminal
nerve. The maxillary nerve is the second division of the trigeminal nerve. - ANSWER-
Both statements are true
Which injections technique would be used to achieve anesthesia of teeth # 15 and #
16? - ANSWER-Posterosuperior alveolar block
The infraorbital foramen is located in which bone? - ANSWER-Maxilla
All of the following are foramina in the sphenoid bone EXCEPT the
A. Incisive papilla
B. Superior orbital fissure
C. Foramen ovale
D. Foramen rotundum - ANSWER-A. incisive foramen
Which muscle retracts the tongue? - ANSWER-Styloglossus
Which lymph nodes drain both sides of the chin, the lower lip, the floor of the
mandibular incisors? - ANSWER-Submental
Which endocrine gland matures T-lymphocytes for the immune system and undergoes
involution (reduces in size) after puberty? - ANSWER-Thymus
The corrugator supercilii is a muscle of facial expression in which region? - ANSWER-
Eye
Which muscle elevates the mandible? - ANSWER-Medial pterygoid
Which muscle originates from the alveolar process the maxilla, the alveolar process of
the mandible, and the pterygomandibular raphe? - ANSWER-Buccinator
Which part of the brain homeostasis? - ANSWER-Hypothalamus
Which vein receives blood flow from the superficial temporal vein and the facial vein and
drains into the external jugular vein? - ANSWER-Retromandibular
The articulation of the temporomandibular joint involves which two bones? - ANSWER-
Temporal bone , mandibular condyles
Which artery supplies the mandibular teeth and the surrounding tissues with blood? -
ANSWER-Inferior alveolar
Which major artery supplies the brain with blood and is palpated during emergency
situations? - ANSWER-Common carotid
,Which artery is the source of the ophthalmic artery, has NO branches, and is located
deep to the sternocleidomastoid muscle? - ANSWER-Internal carotid
The facial artery is a direct branch of which main artery? - ANSWER-External carotid
Which of the following arteries supplies maxillary anterior teeth with blood? - ANSWER-
Anterior superior alveolar
The facial vein drains each region of the head and neck EXCEPT one. Which one is the
EXCEPTION? - ANSWER-Orbital region
Veins of teeth have alveolar branches and dental branches. Which branch type would
drain the pulp tissue of teeth through the apical foramen? - ANSWER-Dental branches
Which vein has NO valves, drains most of the head and neck region, and does NOT
drain any of the dentition? - ANSWER-Internal jugular
T/F Many veins in the head and neck region lack valves. Valveless veins of the head
and neck contribute to the severe and rapid spread of dental infections. - ANSWER-
Both statements are true.
Each of the following is an afferent cranial nerve EXCEPT one. Which one is the
EXCEPTION?
A. Optic
B. Vagus
C. Olfactory
D. Hypoglossal - ANSWER-D. Hypoglossal
Which muscle, upon contraction, protrudes the tongue? - ANSWER-Genioglossus
Each of the following is a suprahyoid muscle EXCEPT one. Which one is the
EXCEPTION?
A. Mylohyoid
B. Geniohyoid
C. Stylohyoid
D. Sternohyoid - ANSWER-D. Sternohyoid
Cervical lymph nodes run along which muscle? - ANSWER-Sternocleidomastoid
For each numbered muscle, select the most closely linked facial expression from the list
provided.
1. Mentalis
, 2. Risorius
3. Corrugator supercilii
4. Levator anguli oris
5. Buccinator
a. frowning
b. raising chin and protruding
c. chewing
d. stretching lips
e. smiling - ANSWER-1. Mentalis- b. raising chin and protruding
2. Risorius- d. stretching lips
3. Corrugator supercilii- a. frowning
4. Levator anguli oris- e. smiling
5. Buccinator c. chewing
T/F The first branchial arch is also called the mandibular arch. The cartilage forming
within the mandibular arch is known Reichert cartilage. - ANSWER-The first statement
is true, and the second statement is false.
Each of the following is a period of prenatal development EXCEPT one. Which one is
the EXCEPTION?
A. Fetal
B. Ovulation
C. Embryo
D. Preimplantation - ANSWER-B. Ovulation
Which cells responsible for producing dentin? - ANSWER-Odontoblasts
Each of the following is a component of the tooth germ EXCEPT Which one is the
EXCEPTION?
A. Enamel organ
B. Dental sac
C. Dental lamina
D. Dental papilla
E. Dental follicle - ANSWER-C. Dental lamina
Division of a cell into two daughter cells occurs during which phase of mitosis? -
ANSWER-Telophase
The inner cells of the dental papilla will develop into which structure? - ANSWER-Pulp
The earliest indication of a part or an organ during prenatal development is referred to
as the - ANSWER-Inner enamel epithelium
