Mosby’s Review Questions For The National Board Dental Hygiene Examination Test

MOSBY’S REVIEW QUESTIONS FOR
THE NATIONAL BOARD DENTAL
HYGIENE EXAMINATION TEST WITH
COMPLETE ANSWERS




1. Which paired muscle covers most of the lateral aspect of the ramus of the mandible?
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A Temporalis
b




B Masseter
b




C Lateral pterygoid
b b




D Medial pterygoid - correct answer-Masseter
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2. During periodontal surgery, a fenestration is exposed on tooth #6. A fenestration is a
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defect of which type of bone?
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A Compact
b




B Cancellous
b




C Interdental
b




D Interradicular - correct answer-Compact
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3. The fibrous connective tissue membrane covering the outside of bone is called the
b
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A .endosteum.
b
b




B. periosteum.
b
b




C. hyaline cartilage.
b
b b




D articular cartilage. - correct answer-Periosteum
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4. What is the purpose of the synovial membrane in a synovial joint?
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,A .Secrete fluid into the joint cavity
b
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B .Surround the joint like a fibrous sleeve
b
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C .Innervate the muscles that move the joint
b
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D .Convey a sense of position and movement - correct answer-Secrete fluid into the joint
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cavity
b




5. Which component of a nerve conducts impulses toward the cell body?
b
b b b b b b b b b b b




A .Axon
b
b




B.Soma
b




C.Neuron
b




D. Dendrite - correct answer-Dendrite
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6. Which spinal vertebrae fuse together to form a triangular mass?
b
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A .Sacral
b
b




B .Lumbar
b
b




C .Cervical
b
b




D .Thoracic - correct answer-Sacral
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7. The ophthalmic nerve is the first division of the fifth cranial nerve V, the trigeminal
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nerve. The maxillary nerve is the second division of the trigeminal nerve.
b

b
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A. Both statements are true
b
b b b b b




B Both statements are false.
b
b b b b




C The first statement is true, and the second statement is false.
b
b b b b b b b b b b b




D The first statement is false, and the second statement is true. - correct answer-Both
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statements are true
b b b




8. Which injections technique would be used to achieve anesthesia of teeth #15 and
b b b b b b b b b b b b b




#16?
b

b




A Nasopalatine block
b
b b




B Anterosuperior alveolar block
b
b b b




C Middle superior alveolar block
b
b b b b




D Posterosuperior alveolar block - correct answer-Posterosuperior alveolar block
b b b b bb b b b




9. The infraorbital foramen is located in which bone?
b
b b b b b b b b




A .Frontal
b
b




B .Maxilla
b
b




C .Zygomatic
b
b




D .Sphenoid - correct answer-b. maxilla
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10. All of the following are foramina in the sphenoid bone EXCEPT the
b
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A.incisive foramen
b
b b




B.superior orbital fissure.
b
b b




C.foramen ovale.
b
b




D .foramen rotundum. - correct answer-Incisive foramen
b b b bb b b




11. Which muscle retracts the tongue?
b b b b b

, b




A .Genioglossus
b
b




B .Hyloglossus
b
b




C .Styloglossus
b
b




D .Palatoglossus - correct answer-Styloglossus
b b bb b




12. Which plane of dissection divides the body into anterior and posterior portions?
b
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A .Frontal
b
b




B .Sagittal
b
b




C .Horizontal
b
b




D .Median - correct answer-Frontal
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13. Teeth #3 and #14 are
b
b b b b b




A ipsilateral to each other.
b
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B contralateral to each other.
b
b b b b




C inferior to each other.
b
b b b b




D superficial to each other. - correct answer-contralateral to each other
b b b b b bb b b b b




14. The following characteristics describe muscle tissue EXCEPT one. Which one is the
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EXCEPTION?
b

b




A .Each muscle has two ends.
b
b b b b b




B .Muscle cells are called sarcomeres.
b
b b b b b




C .Muscles are categorized according to their role in movement.
b
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D .The muscle origin is attached to the least movable part.
b
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E .The muscle insertion is attached to the most movable part. - correct answer-Muscle
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cells are called sarcomeres
b b b b




15. Which lymph nodes drain both sides of the chin, the lower lip, the floor of mouth, the
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apex of tongue, and the mandibular incisors?
b

b
b b b b b b




A Facial
b
b




B Submental
b
b




C Submandibular
b
b




D Retropharyngeal - correct answer-Submental
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16. Which endocrine gland matures T-lymphocytes for the immune system and
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undergoes involution (reduces in size) after puberty?
b

b
b b b b b b




A Thyroid
b
b




B Thymus
b
b




C Pancreas
b
b




D Parathyroid - correct answer-thymus
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17. The corrugator supercilii is a muscle of facial expression in which region?
b
b b b b b b b b b b b b




A .Eye
b
b




B .Nose
b
b




C .Mouth
b
b




D .Scalp - correct answer-eye
b b bb b