Question 1

When amalgam particles become imbedded under oral membranes, it is a/an?

Accepted Answer

A) Silver deposit 
B) Silver tattoo 
C) Amalgam tattoo 
D) Amalgam deposit

Question 2

What is one of the major mechanical reasons for overjet?

Accepted Answer

A) Lower arch is larger and covers the upper 
B) Upper arch is larger and overlies the lower 
C) Improper deciduous teeth 
D) Large gingival formation

Question 3

Which of the following areas of the mediastinum contains the vagus nerve?

Accepted Answer

A) Superior 
B) Posterior 
C) Anterior 
D) Middle

Question 4

A partially displaced tooth with torn ligaments is a:

Accepted Answer

A) Subluxation 
B) Lateral luxation 
C) Avulsion 
D) Extrusion

Question 5

Trigeminal neuralgia is known as:

Accepted Answer

A) Tic douloureux 
B) Sickle cell anemia 
C) Myasthenia Gravis 
D) Bell's palsy

Question 6

Which permanent tooth closely resembles the primary mandibular 2nd molar?

Accepted Answer

A) Mandibular 1st molar 
B) Mandibular 2nd molar 
C) Maxillary 1st molar 
D) Maxillary 2nd molar

Question 7

Which of the following is not present in bile?

Accepted Answer

A) lipoproteins 
B) plasmin 
C) albumin 
D) prothrombin

Question 8

Sodium hypochlorite acts as a solvent on:

Accepted Answer

A) Inorganic tissue 
B) Organic tissue 
C) Metal 
D) Tooth enamel

Question 9

Dens in dent is clinically called:

Accepted Answer

A) Dentin dysplasia 
B) Ankylosis 
C) Dens invaginatus 
D) Hypoplastic amelogenesis imperfecta

Question 10

What substance covers the surface of the anatomic root?

Accepted Answer

A) Enamel 
B) Cementum 
C) Dentin 
D) Dental pulp

Question 11

Which of the following does not typically comprise the majority of dental calculus?

Accepted Answer

A) calcium 
B) hydroxyapatite 
C) carbohydrate 
D) by-products of viral replication

Question 12

Which of the following teeth presents a pentagonal "home plate" occlusal outline that is distinctive for this tooth?

Accepted Answer

A) Maxillary first permanent molar 
B) Maxillary second permanent molar 
C) Mandibular first permanent molar 
D) Mandibular second permanent molar

Question 13

Immunological failure is most directly related to which of the following?

Accepted Answer

A) antibody activity 
B) cytotoxic T-cell function 
C) mast cell degranulation 
D) platelet aggregation

Question 14

Which irrigating solution encourages calcification and inhibits resorption process?

Accepted Answer

A) Sodium hypochlorite 
B) Calcium hydroxide 
C) Ethylene-diamine-tetra-acetate 
D) Chlorhexidine

Question 15

Which of the following statements about enamel is not true?

Accepted Answer

A) It is the hardest substance known in the body 
B) It is highly mineralized 
C) It is highly cellular 
D) Its formation is completed before eruption of the tooth into the oral cavity

Question 16

Trigeminal nerve is also known as:

Accepted Answer

A) Cranial nerve V 
B) Cranial nerve II 
C) Occipital nerve 1 
D) Occipital nerve 12

Question 17

Which of the following traits is NOT a feature of Meniere's disease?

Accepted Answer

A) Episodic rotational vertigo 
B) Tinnitus 
C) Hearing loss and ringing in the ears 
D) Inflammation of the middle ear

Question 18

What part of a tooth is present in the alveolar bone?

Accepted Answer

A) Root apex 
B) Root 
C) Pulp chamber 
D) Dentin

Question 19

Bitter taste cells transmit taste stimuli by which of the following?

Accepted Answer

A) production of H+ which closes K+ channels 
B) activating IP3 which increases intracellular Ca2+ 
C) Na+ influx through passive ion channels 
D) activating cAMP which closes K+ channels

Question 20

Which of the following bacteria is most strongly associated with sex-steroiD-induced gingivitis?

Accepted Answer

A) Lactobacillus casei 
B) Prevotella intermedia 
C) Streptococcus mutans 
D) Actinomyces viscosus

Exam 1: Dental Board