Displaying items 1 to 25 of 65
Q: Which bacteria are mainly involved in caries formation?
(A).Streptococcussalivarius (B).Streptococcusmutans (C).Streptococcussanguis (D).Porphyromonasgingivalis Keyword: caries The mouth is colonized by 200 to 300 bacterial species, but only a limited number of these species participate in dental decay (caries) or periodontal disease. ...Read More
Q: Where are the lingual tonsils located?
(A). Posterior to the circumvallate lingual papillae (B). On lateral border of the tongue (C). Along the sulcusterminalisof the tongue (D). Spread evenly on the entire surface of the tongue There are different types of tonsils and papillae on the tongue: Lingual tonsilsare an...Read More
Q: When is a package considered to be contaminated?
(A). When it is dropped on the floor (B). When it is punctured (C). When it is wet (D). All of the above Before opening a dental instrument package, examine it carefully chair side. Packages that are dropped on the floor, punctured,torn,or wet are considered contaminated. In those events,...Read More
Q: Which radiographic error caused this “flat” smile?
(A). Lead collar is above the line (B). The chin is tipped down too far (C). The chin is tipped up too far (D). The patient’s head is twisted Thewill show you panoramic radiographs and ask you what type of error was made. There is a whole list of errors that you need to memorize! As...Read More
Q: What is the main function of the incisors in mastication?
(A). Grinding food (B). Mastication of food (C). Cutting food (D). Tearing food Our teeth have different functions according to their location: Incisors: biting and cutting food Canines: piercing and tearing food Posteriors: mastication and grinding food Answer: (C)....Read More
Q: What is the active ingredient of doxycycline?
(A). Arestin (B). Periochip (C). Atridox All the agents mentioned above are the most commonly-usedlocally-appliedantimicrobial agents. They are used only after periodontal therapies have shown unsuccessful results (studies suggest that adjunct therapy alone does not improve periodontal...Read More
Q: What happens in the 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 potassium ions exit the nerve membrane Keyword: depolarization Nerve conduction (and recovery) follows the steps of...Read More
Q: Which disease is related to severe protein deficiency and is characterized by edema?
(A). Kwashiorkor (B). Phenylketonuria (C). Marasmus (D). Addison’s disease Keywords: edema, protein deficiency The definitions for the answer choices are as follows: Kwashiorkor: severe protein deficiency; begins aroundage 2. Symptoms include apathy, failure to grow and gain...Read More
Q: What disease is related to adrenal insufficiency?
(A). Celiac sprue (B). Addison’s disease (C). Cushing's syndrome Before we dive into the details, what is “adrenal?” You may have heard about it, but there are so many organs in the body. Here are some definitions from. Theadrenalglands are small,triangularglands located...Read More
Q: This unusual incisor shape is most likely caused by:
(A). Syphilis (B). Attrition (C). Erosion (D). Fluorosis The maxillary central incisors in this image feature an unusual indentation which is characteristic ofcongenital syphilis. Those malformed incisors are called “screwdriver-shaped” incisors. Besides abnormal incisors,...Read More
Q: This type of swelling is a(n):
(A). Ranula (B). Mucocele (C). Exostosis (D). Ulcer The image shows a rounded elevation that looks like it may contain some fluid and is located on thelower lip. Amucoceleis a benign, mucus-containing cystic lesion of theminorsalivary gland. It can appear with any minor salivary...Read More
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
Displaying items 1 to 25 of 65

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