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Q: The recommended amoxicillin premedication dose for an adult patient is:
(A). 300 mg (B). 500 mg (C). 600 mg (D). 2 g Keyword: adult 2 g ofamoxicillin1 hour prior to the dental appointment is the recommended premedication dose for anadultpatient. Other drugs and doses for premedication are as follows: 600 mg clindamycin 500 mg azithromycin 500...Read More
Q: The receptor size usually required for a full-mouth series on a six-year-old patient is:
(A). Size 1 (B). Size 0 (C). Size 3 (D). Size 4 Keywords: six-year-old Size 0 is the smallest receptor and is used for children Size 1 is larger than size 0 and is used for children’s dentition and adult anterior teeth Size 2 is larger than size 1 and is used on...Read More
Q: The radiolucency in the image is:
(A). Oral ulcer (B). Mandibular foramen (C). Mental foramen (D). Incisive foramen In order to solve this, we have to examine thelocationof the radiolucency. In this image, it isbelow the second premolarbut detached from the root. Because it isdetachedfrom the roots, we already know that it...Read More
Q: The patient in the photo has:
(A). Geographic tongue (B). Oral candidiasis (C). Median rhomboid glossitis (D). Smooth tongue Geographic tongue and median rhomboid glossitis… For some reason, the two get mixed up in our head sometimes. Let’s review them a little more closely today and perfect our knowledge...Read More
Q: The mental nerve block anesthetizes the:
(A). Lingual gingiva of the mandible (B). Facial gingiva of the mandibular anterior teeth (C). Buccal gingiva of the mandibular molars (D). All teeth posterior to the mental foramen The mental nerve is a terminal branch of the inferior alveolar nerve that exits through themental...Read More
Q: The infraorbital nerve block does NOT affect the:
(A). Anterior superior alveolar nerve (B). Middle superior alveolar nerve (C). Posterior superior alveolar nerve (D). Infraorbital nerve The infraorbital nerve block anesthetizes the infraorbital nerve branch that passes through the infraorbital foramen andsplits intothe anterior superior...Read More
Q: The following drugs cause pupil dilation EXCEPT:
(A). Meth (B). Cocaine (C). LSD (D). Morphine Keyword: dilation The pupil is constricted or dilated by the smooth muscle in theiris. Increased release of acetylcholine by theparasympatheticnervous system (rest and digest reaction) causescontractionof thecircularsmooth muscle. This makes...Read More
Q: The critical pH for enamel demineralization is:
(A). pH 4.5-5.5 (B). pH 5.5-6 (C). pH 6-6.7 (D). pH 7+ Keyword: enamel First of all, what ispH? pH is the symbol ofhydrogen ion concentrationexpressed in numbers, corresponding to the acidity or alkalinity of an aqueous solution. The range is from 0 (pure acid) to 14 (pure base)....Read More
Q: The cervical area has ____ vertebrae.
(A). 5 (B). 7 (C). 9 (D). 12 Keyword: cervical There are 7 cervical vertebrae. There are 12 thoracic vertebrae. There are 5 lumbar vertebrae. There are 4-5 modular pieces in the coccygeal that are fused. In adults, this segment may be fused with the sacrum. Answer:...Read More
Q: Solar cheilitis is more common in:
(A). Immunocompromised patients (B). Dark-skinned adults (C). Patients undergoing cancer therapy (D). Fair-skinned adults Solar cheilitis, also calledactinic cheilitisoccurs more commonly infair-skinnedindividuals. Here are some more characteristics(bullet point style, that's what we like...Read More
Q: Metronidazole (Flagyl) is related to the following oral side effects, EXCEPT:
(A). Black hairy tongue (B). Metallic taste (C). Gingival hyperplasia (D). Xerostomia Metronidazole is an anti-infective drug (antibiotics) that is used in dentistry to treatinfectionscaused by anaerobes organisms andaggressive periodontitis. The oral side effects of metronidazole...Read More
Q: If the buccal groove of the mandibular first molar is distal to the mesiobuccal cusp of the maxillary first molar, what type of occlusion will the patient have?
(A). Class I (B). Class II (C). Class III When evaluating occlusion, Angle’s classification is often used. This classification is based on the relationship between themesiobuccal cusp of the maxillary first molarand thebuccal groove of the mandibular first molar. Class I: MB...Read More
Q: What is the chest compression rate for adult CPR?
(A). 50/min (B). 100/min (C). At least 100/min (D). As many as you can The basics of CPR has changed since 2010. Major changes for all rescuers, all of which are intended to simplify CPR for rescuers and improve bystander response, include: A change in the CPR sequence, from...Read More
Q: Bradycardia refers to:
(A). Heart rate above 100 beats per minute (B). Heart rate under 60 beats per minute (C). Increased heart contraction force (D). Decreased heart contraction force Bradycardiarefers to aslowerthan normal heart rate (under 60 beats per minute) Tachycardiarefers to afasterthan normal...Read More
Q: The optimal blade angulation for the removal of deposits is:
(A). 25° to 45° (B). 45° to 60° (C). 60° to 80° (D). 90° to 120° For insertion of the working end into the sulcus/pocket, position the face asflatagainst the tooth surface as possible (0-40°). For scaling, the face of the instrument is at...Read More
Q: A black line stain is generally related to:
(A). Chlorhexidine (B). Clean mouth (C). Black tea (D). Tobacco Black line stainis usually related to acleanmouth. It is anextrinsic stainthat can be removed. Some scientific research suggests that it is associated with iron compounds (ferric sulfide) and betel leaf chewing habits. The...Read More
Q: 80, 85, 67, 90, 86, 87, 85, 90, 83, 75, 89, 82, 82, 88, and 85. What is the mode?
(A). 75 (B). 80 (C). 85 (D). 90 Themodeis the value that ismostfrequently observed. In this case, 85 is observed 3 times. Themedianis the number that separates the data intotwo halves. (If there are two middle numbers, get their average). In this case, the median is also 85. ...Read More
Q: 10 grams of fat produces:
(A). 4 kcal (B). 7 kcal (C). 9 kcal (D). 90 kcal Keywords: fat, 10 g Proteins and carbohydrates produce 4 kcal/g of energy Fat produces 9 kcal/g of energy Alcohol produces 7 kcal/g of energy Vitamins and minerals do not provide energy Answer: (D). 90 kcal Was (C). 9...Read More
The arrows are pointing at:
(A). Fusion (B). Concrescence (C). Germination (D). Dens in dente Dens in dente(also calleddens invaginatus) is formed as the enamel organ goes into the crown of a tooth before mineralization is completed. Radiographically, a tooth-like structure appears within the crown.Due to the...Read More
What happens with depolarization of a nerve?
Local Anesthesia | For the WREB, CDCA Dental Hygiene Board Exam Q: What happens with depolarization of a nerve? (A). Sodium ions exit the nerve membrane (B). Sodium ions enter the nerve membrane (C). Both sodium ions and potassium ions enter the nerve membrane (D). Both sodium ions and...Read More
Which of the following routes CANNOT spread HIV?
(A). Blood (B). Breast milk (C). Vaginal fluids (D). Saliva HIV (human immunodeficiency virus) invades T lymphocyte cells in the body. The virus can be transmitted only by certain bodily fluids such as blood, semen, rectal fluids, vaginal fluids, and breast milk. The virus must come in...Read More
The piezoelectric scaler tip moves in which pattern?
(A). Linear (B). Round (C). Elliptical Piezoelectric scaler uses ceramic discs or quartz plates to convert electricity to movement. The tip moves in a linear pattern (front and back) with the two sides of the tip move at 25,000 to 50,000 cycles/sec (cps). The tip moves in an elliptical...Read More
The force of attraction between unlike atoms and molecules is called:
(A).Cohesion (B).Viscosity (C).Mechanical bonding (D).Adhesion Keywords: unlike The force of attraction between unlike atoms and molecules on two different surfaces is called adhesion (e.g., a water molecule is attracted to a tree leaf). The chance of adhesion is directly proportional to...Read More
The basic unit of the tooth enamel is the:
(A). Enamel rod (B). Enamel tuft (C). Enamel spindle (D). Enamel lamellae Enamel consists of small fish-shaped rods (prisms) that are lined up next to each other, collectively forming the enamel. Those rods extend from the DEJ (dentino-enamel junction) to the enamel surface. Enamel tufts...Read More
Which instrument type and cross-sectional shape are matched correctly?
(A). Explorer - half moon (B).Universal curette - circle (C).Sickle - triangle (D).Area-specific curette - rectangle The design of the working end and its cross-sectional shape are directly related to the function of the instrument. Half-moon cross-sectional shape instrument: rounded...Read More
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