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What is the main function of the incisors in mastication?
(A).Grinding food(B). Mastication of food(C). Cutting food(D). Tearing foodOur teeth have different function according to their location: Incisors: biting and cutting food Canines: piercing and tearing food Posteriors: mastication and grinding food Answer: (C). Cutting foodMini Boards...  Read More
Which of the following bones of the skull is considered a facial bone?
(A). Occipital(B). Parietal(C). Sphenoid(D). Zygomatic(E). FrontalThere are 22 bones in the skull, excluding the middle ear ossicles. Eight cranial bones (occipital bone, 2 temporal bones, 2 parietal bones, sphenoid bone, ethmoid bone, frontal bone), and fourteen facial bones (vomer, 2 conchae, 2...  Read More
Which injection anesthetizes the maxillary posterior teeth?
(A). Inferior alveolar nerve block(B). Posterior superior alveolar nerve block(C). Middle superior alveolar nerve block(D). Greater palatine nerve block Posterior superior alveolar (PSA) nerve block: anesthetizes the maxillary first/second/third molars, periodontal tissues, buccal soft tissue...  Read More
Chest pain caused by narrowing of the heart’s blood vessels is?
(A). Angina(B). Myocardial infarction(C).Allergy(D). Heart attack- Angina is a term used for chest pain caused by reduced blood to the heart muscles. The pain may radiate through the arm, neck and jaw.- Myocardial infarction, also called heart attack, refers to “death of the heart...  Read More
Chest pain caused by narrowing of the heart’s blood vessels is?
(A). Angina(B). Myocardial infarction(C).Allergy(D). Heart attack- Angina is a term used for chest pain caused by reduced blood to the heart muscles. The pain may radiate through the arm, neck and jaw.- Myocardial infarction, also called heart attack, refers to “death of the heart...  Read More
Chest pain caused by narrowing of the heart’s blood vessels is?
(A). Angina(B). Myocardial infarction(C).Allergy(D). Heart attack- Angina is a term used for chest pain caused by reduced blood to the heart muscles. The pain may radiate through the arm, neck and jaw.- Myocardial infarction, also called heart attack, refers to “death of the heart...  Read More
What is the active ingredient of Arestin?
What is the active ingredient of Arestin? Doxycycline hyclate Chlorhexidine Minocycline All of the above combinedAnswer: C. MinocyclineThe following are some of the most commonly-used locally-applied antimicrobial agents, along with their active ingredients:- Arestin - minocycline (a...  Read More
The scores of 15 dental hygiene students are: 80, 85, 67, 90, 86, 87, 85, 90, 83, 75, 89, 82, 82, 88, and 85. What is the mode?
The scores of 15 dental hygiene students are: 80, 85, 67, 90, 86, 87, 85, 90, 83, 75, 89, 82, 82, 88, and 85. What is the mode? 75 80 85 90Answer: C. 85Mode is the value that is most frequently observed. In this case, 85 is observed 3 times.Median is the number that separates the data...  Read More
Through which main ducts do the parotid and submandibular glands secrete saliva?
Through which main ducts do the parotid and submandibular glands secrete saliva? Wharton's duct and ducts of Rivinus Stensen's duct and Wharton's duct Stensen's duct and Reissner's duct Bartholin's duct and Stensen's ductAnswer: B. Stensen’s duct and Wharton’s ductThe...  Read More
The critical pH for tooth demineralization is?
The critical pH for tooth demineralization is?a. pH 5.5b. pH 6c. pH 6.7d. pH 7Answer: a. pH 5.5CRITICAL PH is the pH at which demineralization occur. Critical pH for enamel and cementum are as below:- enamel: pH 5.5- cementum: pH 6The pH of the tooth surface remains below the critical pH of 5.5 for...  Read More
What disease is related to adrenal insufficiency?
What disease is related to adrenal insufficiency? Celiac sprue Addison disease Cushing's syndrome Answer: B. Addison disease Primary adrenal insufficiency, called Addison's disease produces signs and symptoms that are related to a deficiency in...  Read More
Bradycardia refers to:
Bradycardia refers to: Heart rate above 100 beats per minute Heart rate under 60 beats per minute Increased heart contraction force Decreased heart contraction forceAnswer: B. Heart rate under 60 beats per minuteBradycardia refers to slower than normal heart rate (under 60 beats per...  Read More
Which of the following is NOT true about acetaminophen?
Which of the following is NOT true about acetaminophen? it is analgesic It is antipyretic It is anti-inflammatory All of the aboveAnswer: C. It is anti-inflammatoryAcetaminophen (Tylenol) is an antipyretic (fever-reducing) and analgesic (pain-relieving) agent, but is not...  Read More
What is the most common location for a dentigerous cyst?
What is the most common location for a dentigerous cyst? Erupting incisors Erupting premolars Roots of molars Erupting third molarsAnswer: D. Erupting third molarsA dentigerous cyst, also called a follicular cyst, forms from the accumulation of fluid between the reduced enamel...  Read More
Which of the following conditions is NOT caused by a virus?
Which of the following conditions is NOT caused by a virus? Hand-foot-mouth disease Herpes labialis Infectious mononucleosis CandidiasisAnswer: D. CandidiasisCandidiasis is caused by the fungus Candida albicans.Herpes labialis is caused by a group of viruses called human herpes...  Read More
Which repair process describes healing with minimal scaring?
Which repair process describes healing with minimal scaring? Repair by primary intention Repair by secondary intention Repair by tertiary intention KeloidAnswer: A. Repair by primary intentionWhen healing happens with minimal scaring, such as in surgical incisions, it is called healing...  Read More
Probe depth is 3mm, recession is 3mm. What is the CAL?
Probe depth is 3mm, recession is 3mm. What is the CAL? 0 m 3mm 6mm 9mmAnswer: C. 6mmClinical attachment level (or loss, CAL) is a more accurate indicator of the periodontal support around a tooth than probing depth alone. CAL is measured from a fixed point on the tooth that does not...  Read More
Solar cheilitis is most likely to appear in,
Solar cheilitis is most likely to appear in, Immunocompromised patients Dark-skinned adults Patients undergoing cancer therapy Fair-skinned adultsAnswer: D. Fair skinned adultsSolar cheilitis, also called actinic cheilitis usually occurs in fair-skinned individuals. The cause is related...  Read More
Which microorganism causes syphilis?
Which microorganism causes syphilis?(A). Treponema pallidum(B). Streptococcus pyogenes(C). Herpes virus(D). Epstein-Barr virusAnswer: (A). Treponema pallidumSyphilis is caused by the bacterium Treponema pallidum.Streptococcal pharyngitis and scarlet fever is caused by the bacterium Streptococcus...  Read More
All of the following drugs create pupil dilation except?
All of the following drugs create pupil dilation except?a. Methb. Cocainec. LSDd. MorphineAnswer: d. morphineThe pupil is constricted or dilated by the contraction of smooth muscle in the iris. Increased release of acetylcholine by the PARASYMPATHETIC nervous system causes contraction of circular...  Read More
5 Strategies to help you pass the National Dental Hygiene Board Examination
What can you do tomaximize your chances of succeeding at your regional and ?Here are 5 strategies that have proven to work with students I mentoredat, and I would liketo share them with you so you can also successfully pass all of yourexaminations.1.Findthe key words in the question (at all...  Read More
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