Question 1

Leukemia is mainly treated with radiation and chemotherapy. What are the two types of chemotherapy used in the treatment of leukemia?

Accepted Answer

A) Induction and maintenance 
B) Induction and delayed 
C) Delayed and maintenance 
D) Maintenance and latent 
A) Induction and maintenance 
B) Induction and delayed 
C) Delayed and maintenance 
D) Maintenance and latent

Question 2

What structure supports the alveolar bone proper?

Accepted Answer

A) Compact structure 
B) Circular fiber structure 
C) Periodontal ligament 
D) Osseous structure 
A) Compact structure 
B) Circular fiber structure 
C) Periodontal ligament 
D) Osseous structure

Question 3

Transudate that emerges from the gingival sulcus is known as:

Accepted Answer

A) Gingival crevicular fluid 
B) Functional gingival fluid 
C) Gingival functional fluid 
D) Functional crevicular fluid 
A) Gingival crevicular fluid 
B) Functional gingival fluid 
C) Gingival functional fluid 
D) Functional crevicular fluid

Question 4

The temporomandibular joint allows for rotation and translation of the mandible. What is the joint type?

Accepted Answer

A) Ginglymodiarthrodial 
B) Ball in socket 
C) Ellipsoidal 
D) Synarthrosis 
A) Ginglymodiarthrodial 
B) Ball in socket 
C) Ellipsoidal 
D) Synarthrosis

Question 5

Which of the following are not key enzymes in DNA synthesis?

Accepted Answer

A) polymerase 
B) exonuclease 
C) aminotransferase 
D) topoisomerase 
A) polymerase 
B) exonuclease 
C) aminotransferase 
D) topoisomerase

Question 6

Apexification is a method to create a/an:

Accepted Answer

A) Root barrier 
B) Apical barrier 
C) Apexogenesis 
D) Intracoronal bleaching 
A) Root barrier 
B) Apical barrier 
C) Apexogenesis 
D) Intracoronal bleaching

Question 7

Which of the following mature structures is derived from fetal allantois and urachus

Accepted Answer

A) Ligamentum arteriosum 
B) Ligamentum teres hepatis 
C) Ligamentum venosum 
D) Median umbilical ligament 
A) Ligamentum arteriosum 
B) Ligamentum teres hepatis 
C) Ligamentum venosum 
D) Median umbilical ligament

Question 8

For remineralization of onset lesions to take place, what must be ample?

Accepted Answer

A) Bacteria 
B) Dentin 
C) Fluoride 
D) Acidogenic 
A) Bacteria 
B) Dentin 
C) Fluoride 
D) Acidogenic

Question 9

The inability to understand verbal speech or receive information is clinically referred to as what condition?

Accepted Answer

A) Receptive aphasia 
B) Expressive aphasia 
C) Ataxia 
D) Agnosia 
A) Receptive aphasia 
B) Expressive aphasia 
C) Ataxia 
D) Agnosia

Question 10

A 70-year-old will spend how much of his/her life chewing with their deciduous teeth?

Accepted Answer

A) 6% 
B) 12% 
C) 20% 
D) 40% 
A) 6% 
B) 12% 
C) 20% 
D) 40%

Question 11

Which is an oral fungal infection?

Accepted Answer

A) Candidiasis 
B) Superficial mycoses 
C) Cutaneous mycoses 
D) Subcutaneous mycoses 
A) Candidiasis 
B) Superficial mycoses 
C) Cutaneous mycoses 
D) Subcutaneous mycoses

Question 12

A dental evaluation is comprised of:

Accepted Answer

A) Midlines, facial proportion, and smile analysis 
B) Gingival display, low eyebrows, and nose thickness 
C) Teeth shape, color, and positioning 
D) Interpupillary line, low eyebrow, and teeth shape 
A) Midlines, facial proportion, and smile analysis 
B) Gingival display, low eyebrows, and nose thickness 
C) Teeth shape, color, and positioning 
D) Interpupillary line, low eyebrow, and teeth shape

Question 13

What is the major descending pathway extending from the cerebral cortex that affects motor neurons and sensory interneurons in the spinal cord?

Accepted Answer

A) Corticospinal tract 
B) Rubrospinal tract 
C) Tectospinal tract 
D) Reticulospinal tract 
A) Corticospinal tract 
B) Rubrospinal tract 
C) Tectospinal tract 
D) Reticulospinal tract

Question 14

At the root surface of caries, what is the most common cariogenic bacterium?

Accepted Answer

A) Actinomyces viscus 
B) Veillonella 
C) Streptococcus salivarious 
D) Lactobacilli 
A) Actinomyces viscus 
B) Veillonella 
C) Streptococcus salivarious 
D) Lactobacilli

Question 15

Which of the following is directly involved with the descending modulation of pain transmission?

Accepted Answer

A) dopamine 
B) MLF 
C) nucleus raphe magnus 
D) rubrospinal fibers 
A) dopamine 
B) MLF 
C) nucleus raphe magnus 
D) rubrospinal fibers

Question 16

Erythroplakia is:

Accepted Answer

A) Greenish plaque 
B) Brown plaque 
C) Red plaque 
D) Yellowish plaque 
A) Greenish plaque 
B) Brown plaque 
C) Red plaque 
D) Yellowish plaque

Question 17

Radiographically, what bone disease appears as cotton wool due to decreased bone density?

Accepted Answer

A) Town's syndrome 
B) Paget's disease of the bone 
C) Acromegaly 
D) Thyroid storm 
A) Town's syndrome 
B) Paget's disease of the bone 
C) Acromegaly 
D) Thyroid storm

Question 18

Lack of oxygen (hypoxia) will cause reflex vasoconstriction in which of the following organs?

Accepted Answer

A) brain 
B) heart muscle 
C) kidney 
D) lungs 
A) brain 
B) heart muscle 
C) kidney 
D) lungs

Question 19

Which of the following cells are multinucleated?

Accepted Answer

A) Osteocytes 
B) Osteoclasts 
C) Osteoblasts 
D) Fibroblasts 
A) Osteocytes 
B) Osteoclasts 
C) Osteoblasts 
D) Fibroblasts

Question 20

Which of the following statements about human canines is true?

Accepted Answer

A) The labial surface is rough, with poorly developed middle lobe 
B) The canine is approximately 1 mm broader than the central incisor 
C) The canine is slightly darker and more yellow in the color than the incisor teeth 
D) The mesial cusp ridge is longer than the distal cusp ridge 
A) The labial surface is rough, with poorly developed middle lobe 
B) The canine is approximately 1 mm broader than the central incisor 
C) The canine is slightly darker and more yellow in the color than the incisor teeth 
D) The mesial cusp ridge is longer than the distal cusp ridge

Exam 1: Dental Board