Question 1

Which of the following is a granulocyte?

Accepted Answer

A) T cell 
B) Macrophage 
C) Platelet 
D) Neutrophil

Question 2

What condition displays bilateral mandibular expansion?

Accepted Answer

A) Cleidocranial dysostosis 
B) Cherubism 
C) Dens invaginatus 
D) Hypoplastic amelogenesis imperfecta

Question 3

What type of human teeth work with incisors to support the lips cut or shear food and also act as guideposts in occlusion?

Accepted Answer

A) Molars 
B) Premolars 
C) Canines 
D) Incisors

Question 4

Agranulocytosis is a severe depletion of:

Accepted Answer

A) Iron 
B) Vitamin C 
C) Neutrophils 
D) Leukocytes

Question 5

Impacted teeth are normally located where?

Accepted Answer

A) Mandible canine 
B) Maxillary canine 
C) Mandible molar 
D) Maxillary molar

Question 6

Pierre Robin syndrome is a mutation of what gene:

Accepted Answer

A) Collagen gene 2A1 
B) Collagen gene 2A2 
C) Fibroblast gene 43 
D) Trisomy 21

Question 7

Infantile osteopetrosis displays several facial deformity possibilities. Which deformity is not a facial deformity of infantile osteopetrosis?

Accepted Answer

A) Broad face 
B) Hypertelorism 
C) Frontal bossing 
D) Peeked nose

Question 8

Vitamin C deficiency (scurvy) has all of the following symptoms EXCEPT:

Accepted Answer

A) swollen gums 
B) anemia 
C) poor wound healing 
D) Gangrene

Question 9

Aerobic and Anaerobic bacteria are common in oral infections. Which bacteria are gram-positive cocci?

Accepted Answer

A) Streptococcus spp. 
B) Staphylococcus spp. 
C) Streptococcus spp. and Staphylococcus spp. 
D) Veillonella spp. and Bacteroides spp.

Question 10

Where is the main site of growth of the mandible?

Accepted Answer

A) Endochondral shaft 
B) Intramembranous ossification 
C) Tuberosity region 
D) Condylar cartilage

Question 11

Which of the following brainstem nuclei is not involved with cranial nerve function?

Accepted Answer

A) superior salivatory nucleus 
B) nucleus ambiguus 
C) nucleus of the solitary tract 
D) ventromedial nucleus

Question 12

Bioavailability is:

Accepted Answer

A) A measurement of how much and how quickly a drug reaches the epidermis 
B) A measurement of how much and how quickly a drug reaches the circulatory system 
C) A measurement of how much and how quickly a drug builds-up in the liver 
D) A measurement of how much drug stays in the bloodstream after 30 days

Question 13

What teeth are affected by hypocalcified enamel matrix?

Accepted Answer

A) Supernumerary teeth 
B) Healthy teeth 
C) Neonatal and natal 
D) There is only hypercalcified enamel matrix

Question 14

What is the deepest layer of skin, which is sometimes called the subcutaneous or superficial connective tissue of the body?

Accepted Answer

A) Epidermis 
B) Dermis 
C) Hypodermis 
D) Stratum corneum

Question 15

During sickle cell crisis, patients have a high susceptibility to:

Accepted Answer

A) Streptococcus spp. 
B) Staphylococcus spp. 
C) Streptococcus pneumonia 
D) Veillonella spp.

Question 16

Storage phosphor imaging systems use what color light to create X-ray image?

Accepted Answer

A) Green 
B) Red 
C) Blue 
D) Yellow

Question 17

What condition increases levels of calcium in the blood?

Accepted Answer

A) Hypoparathyroidism 
B) Ankylosis 
C) Dens invaginatus 
D) Hypoplastic amelogenesis imperfecta

Question 18

Which of the following structures of the adult heart is a remnant of the foramen ovale in the fetal heart?

Accepted Answer

A) Crista terminalis 
B) Fossa ovalis 
C) Sulcus terminalis 
D) Right auricle

Question 19

What are the main organisms responsible for tooth decay involved in dental caries?

Accepted Answer

A) Streptococcus mutans 
B) Lactobacillus 
C) Both of the above 
D) None of the above

Question 20

What is Desflurane?

Accepted Answer

A) Intravenous sleeping agent 
B) General anesthetic 
C) Oral supplement 
D) Absorbent anesthetic

Exam 1: Dental Board