Wrong Questions

Question 1

Which muscle is innervated by the hypoglossal nerve?
A. Genioglossus
B. Inferior pharyngeal constrictor
C. Palatoglossus
D. Palatopharyngeus

Answer 1

A. Genioglossus

Question 2

which of the following anesthetics can be given intravenously to treat cardiac arrythmias?
1. Lidocaine
2. benzocaine
3. prilocaine
4. mepivacaine
5. proxycaine

Answer 2

Lidocaine

Question 3

which of the following impression materials would lack stability?
1. plaster
2. Alginate
3. Polyether
4. Polysulfide
5. Reversibile hydrocolloid

Answer 3

Polyether

Question 4

Accumulating food in the vestibule might suggest malfunction of which of the following muscles?
1. Risorius
2. Buccinator
3. Orbicularis oris
4. Medial Pterygoid
5. Levator anguli oris

Answer 4

Buccinator

Question 5

When a patient returns for an evaluation after periodontal debridement, the dental hygienist notices gingival bleeding and edema on the lingual and mesial aspect of tooth #19. Which of the following BEST represents the treatment of choice?

1)Perform a pulp test
2)Provide no treatment at all
3)Remove residual deposits
4)Probe periodontal sulcus
5)Take perioapical radiographs

Answer 5

Remove residual deposits

Question 6

An elderly patient who wears a mandibular complete denture presents with a pink, elongated, firm and raised lesion in the vestibule adjacent to the buccal border of the denture. Which of the following MOST likely represents this lesion?

1)Papilloma
2)Epulis fissuratum
3)Pyogenic granuloma
4)Squamous cell carcinoma
5)Inflammatory papillary hyperplasia

Answer 6

Epulis fissuratum

Question 7

Which of the following represents the BEST reason that nitroglycerin is effective for treating anginal pain?

1)Causes general vascular dilation
2)Possesses central analgesic actions
3)Produces specific coronary vasodilation
4)Increases efficiency of the myocardium
5)Has negative inotropic effect on heart

Answer 7

Causes general vascular dilation

Question 8

The presence of purulent exudate indicates

1) Acute inflammation
2)Deformans osteitis
3)Chronic inflammation
4)Condensing osteitis
5)Subacute inflammation

Answer 8

Acute inflammation

Question 9

A narrowed periodontal ligament space viewed in a radiograph indicates

1)Ankylosis
2)Hyperplasia
3)Hypertrophy
4)Disuse atrophy
5)Occlusal trauma

Answer 9

Disuse atrophy

Question 10

A dental hygienist changes the mA but maintains the kVp and impulses at the same settings. Which of the following image characteristics will be affected?

1)Umbra
2)Contrast
3)Penumbra
4)Density
5)Distortion

Answer 10

Density

Question 11

Which of the following children would MOST likely benefit from a sealant program?

1)Kindergarteners and first graders
2)Second and sixth graders
3)Third and fourth graders
4)Fifth graders
5)Seventh graders

Answer 11

Second and sixth graders

Question 12

A 45-year old patient presents for an appointment with the following conditions: abundant biofilm accumulation at the cervical thirds of posterior teeth; localized severe periodontitis; constant pain to heat on tooth #19; and a history of frequent snacking between meals. To BEST determine a treatment plan for this patient, which of the following should be done first?

1)Periodontal surgery
2)Nutritional counseling
3)Periodontal debridement
4)Endodontic consultation
5)Oral hygiene instruction

Answer 12

4)Endodontic consultation
- heat is your Clue that there is somehting wrong endodontically

Question 13

The biceps brachii muscle attaches distally to

1)Tibia
2)Femur
3)Radius
4)Humerus
5)Scapula

Answer 13

Radius

Question 14

patient reports a severe allergic reaction to oil of cloves. Which of the following types of cement should the dental hygienist avoid?

1)BIS-GMA
2)Glass ionomer
3)Phosphoric acid
4)Ethoxybenzoic acid
5)Zinc oxide-eugenol

Answer 14

5)Zinc oxide-eugenol

Question 15

Each of the following, EXCEPT one, represents essential patient assessment information needed to plan dental hygiene care. The EXCEPTION is

1)Health history
2)Dental history
3)Social history
4)Dietary analysis
5)Periodontal examination

Answer 15

Dietary analysis

Question 16

observes nursing assistants and residents performing oral hygiene procedures. This observation represents which of the following approaches to evaluation?

1)Formative
2)Summative
3)Descriptive
4)Retrospective

Answer 16

Formative

Question 17

Which of the following arteries represents a branch of the maxillary artery?

1)Facial
2)Lingual
3)Superior thyroid
4)Inferior alveolar
5)Ascending pharyngeal

Answer 17

4)Inferior alveolar

Question 18

Each of the following is often associated with syncope EXCEPT one. Which one is this EXCEPTION?

1)Nausea
2)Pallor
3)Unconsciousness
4)Constricted pupils
5)Low blood pressure

Answer 18

Constricted pupils

Question 19

An excess of which of the following hormones can be associated with increased sensitivity of epinephrine?

1)Insulin
2)Thyroid
3)Estrogen
4)Parathyroid
5)Testosterone

Answer 19

Thyroid

Question 20

Approximately what percent of electron energy in the tubehead is converted to x-rays?

1)1
2)5
3)10
4)15
5)20

Answer 20

1

Question 21

A patient reports to the dental hygienist that a tooth restored three weeks ago seems high and is sensitive to mastication. Gingival assessment reveals periodontal probings less than 3mm with no bleeding on probing. This condition is MOST likely to cause which of the following?

1)Fremitus
2)Tooth migration
3)Pocket formation
4)Periodontal abscess
5)Apical migration of the junctional epithelium

Answer 21

Fremitus

Question 22

Fatigue, apprehension, and stress increase which of the following characteristics of pain?

1)Reaction
2)Stimulus
3)Threshold
4)Perception

Answer 22

Reaction

Question 23

Which of the following radiographic findings is associated with EARLY periodontitis?

1)Vertical bone loss
2)Loss of crestal bone
3)Furcation involvement
4)Decreased trabecular density
5)Narrowing of periodontal ligament space

Answer 23

Loss of crestal bone

Question 24

Ed Perl is a 72-year old male with a history of periodontal surgery and resultant gingival recession; he has had only one restoration (#30). He uses Listerine® daily and brushes with baking soda. At his regular four-month recall, Ed tells the dental hygienist that he forgot to say that he has been taking antihypertensive and diuretic medications for about a year. The patient denies any changes in is oral home care. The dental hygienist detects several areas of facial root caries and records a low biofilm score. Which of the following represents the MOST important reasons for these findings?

1)Improper brushing
2)Use of baking soda
3)Flossing technique
4)Use of over-the-counter mouthwash
5)Side effects of prescribed medications

Answer 24

Side effects of prescribed medication

Question 25

How does the fluoride ion affect size and solubility of the hydroxyapatite crystal? 1)increases increases 2)increases decreases 3)decreases increases 4)decreases decreases

Answer 25

2)increases (size) decreases (solubility) fluoride decreases the effect of acid on the enamel (decreases solubility)

Question 26

A busy dental hygienist took alginate impressions on a patient and put them in the lab. Several hours later the models were poured. Which process was MOST likely to have occurred in the dental impressions? 1)Solation 2)Gelation 3)Syneresis 4)Imbibition 5)Thermal contraction

Answer 26

Syneresis

Question 27

Which of the following parts of the central nervous system controls respiration? 1)Medulla 2)Cerebrum 3)Thalamus 4)Cerebellum 5)Spinal cord

Answer 27

Medulla

Question 28

Maria Green is on renal dialysis every other day. She has been diagnosed with moderate periodontitis and is due for her three-month maintenance appointment. The patient presents a letter from her physician giving medical clearance for dental care. The dental hygienist should do which of the following? 1)Ask the dentist to treat her 2)Refer the patient for hospital dentistry 3)Do not treat this patient; she is medically at risk 4)Postpone her treatment until dialysis is less frequent 5)Arrange her appointment for the day after a dialysis treatment

Answer 28

5)Arrange her appointment for the day after a dialysis treatment

Question 29

When taken with antacids, which of the following, can result in up to a 50-percent DECREASE in intestinal absorption of the medication? 1)Codeine 2)Meperidine 3)Acetaminophen 4)Penicillin K 5)Tetracycline

Answer 29

5)Tetracycline - BECAUSE OF THE CALCIUM

Question 30

A 35 year-old patient presents for a maintenance appointment. Which of the following should be treated first? 1)20-year smoking habit 2)Heavy, generalized biofilm 3)Class C caries on tooth #27 4)Generalized marginal gingivitis 5)Parulis lesion around tooth #3

Answer 30

Parulis lesion around tooth #3

Question 31

Which of the following nerves exits the cranium through the foramen ovale? 1)Facial 2)Maxillary 3)Ophthalmic 4)Mandibular 5)Glossopharyngeal

Answer 31

Mandibular

Question 32

Secretion of intrinsic factor by gastric mucosa is required to absorb 1)Calcium 2)Phosphorus 3)Vitamin D 4)Vitamin K 5)Vitamin B12

Answer 32

Vitamin B12

Question 33

A patient develops hypersensitivity to cold one month after placement of a Class II amalgam. The dental hygienist will MOST likely suspect which of the following? 1)Galvanism 2)Pulpal hyperemia 3)Subacute pulpitis 4)Irreversible pulpitis 5)Acute periradicular abscess

Answer 33

Pulpal hyperemia

Question 34

Collimation of the x-ray beam serves to 1)Reduce exposure time 2)Decrease image distortion 3)Filter out short wavelengths 4)Reduce diameter of primary beam 5)Permit use of lower kVp for exposure

Answer 34

Reduce diameter of primary beam

Question 35

Jean Smith returned for a post-treatment evaluation. She had root planing on teeth #'s 2 through 7 four weeks ago. A dental hygienist observed a draining asymptomatic fistula on the facial of #5. All other areas are healing well. New periodontal probings on the facial are 3,4,4. Former probings were 5,6,5. The tooth tests vital and has no restoration or color change. Which of the following is the MOST likely explanation? 1)Tooth is endodontically involved and not related to periodontal treatment received 2)Is a result of aggressive root planing and healing will occur in 7 to 10 days 3)Marginal gingival tissue has healed, limiting access of the probe, even though deposit remains 4)Is a combined endodontic/periodontic problem

Answer 35

Marginal gingival tissue has healed, limiting access of the probe, even though deposit remains

Question 36

A 32 year-old patient's last dental check-up was about a year ago. The patient has a history of treated periodontal disease and presents for a maintenance appointment with recurrent periodontitis, subgingival biofilm accumulation, moderate calculus deposits, staining on the clinical crowns of the anterior teeth, and frequent snacking. Which of the following represents the factor MOST likely responsible for recurrence of the patient's periodontitis? 1)Diet 2)Stain 3)Biofilm 4)Calculus 5)Pellicle

Answer 36

Biofilm

Question 37

Two regions of the oral mucosa that contain keratinized epithelia are 1)Cheek and lip mucosa 2)Hard palate and gingiva 3)Alveolar mucosa and gingiva 4)Alveolar and vestibular mucosa 5)Floor of the mouth and hard palate

Answer 37

Hard palate and gingiva

Question 38

Which of the following attach epithelial cells to the basal lamina? 1)Desmosomes 2)Gap junctions 3)Hemidesmosomes 4)Tight junctions

Answer 38

Hemidesmosomes

Question 39

Which of the following cells synthesize antibodies? 1)Mast 2)Stem 3)Plasma 4)Fibroblasts 5)Macrophages

Answer 39

Plasma

Question 40

Which of the following permanent premolars frequently lacks a transverse ridge? 1)Maxillary first 2)Maxillary second 3)Mandibular first 4)Mandibular second

Answer 40

Mandibular second

Question 41

A raised circumscribed vesicle, which might exhibit a bluish translucent color, clinically describes which of the following? 1)Lipoma 2)Fibroma 3)Mucocele 4)Epulis fissuratum 5)Pyogenic granuloma

Answer 41

Mucocele

Question 42

During analysis of assessment data, a dental hygienist notes that the correlation between age and presence of oral cancer is +0.8. Which of the following represents the relationship between age and oral cancer? 1)No correlation 2)Weak 3)Moderate 4)Strong

Answer 42

Strong

Question 43

A healthcare worker develops a positive reaction to a tuberculin skin test. After proper medical evaluation, the worker may be placed on longer-term dosage of: A)Insulin B)Rifampin C)Isoniazid (INH) D)Vancomycin

Answer 43

Isoniaziad (INH)

Question 44

Of the following adverse reactions, which is associated with prolonged hydrocortisone therapy? A)Osteoporosis B)Desquamative gingival lesions C)Abnormal weight loss D)Toxic goiter

Answer 44

Osteoporosis

Question 45

Which of the following second-generation drugs is most commonly used to treat major depression? A)Lithium (Eskalith) B)Fluoxetine (Prozac) C)Amtriptyline (Elavil) D)Bupropion (Wellbutrin)

Answer 45

Fluoxetine (Prozac)

Question 46

Physician consultation to determine the international normalized ratio (INR) is required before treating the patients taking which of the following drugs? A)Nifedipine (Procardia XL) B)Ibuprofen (Motrin) C)Warfarin (Coumadin) D)Menadiol (Synkayvite)

Answer 46

Warfarin (Coumadin)

Question 47

Which of the following statements describes the major effect of digoxin on the failing heart?term-65 A)Increases the force and efficiency of mycardial contraction B)Suppresses parasympathetic effects that slow heart rate C)Blocks formation of messenger chemicals that promote vasoconstriction and cardiac edema D)Acts synergistically with sympathetic nervous system to reset sympathetic tone of SA node

Answer 47

A)Increases the force and efficiency of mycardial contraction