NBDHE - Practice Questions + Answers Graded A+

A lateral jaw radiograph is most commonly used for observing? - Areas of the mandible and the maxilla that are too large to show on a PA A space maintainer placed in the mandibular arch of an 8 year old child usually serves to? - Prevent loss of arch space A sympathomimetic drug that can cause an increase in blood pressure - Epi A yellowish-brown radiograph results from using - Insufficient washing time AHA guidelines for pre-med with penicillin - 2 grams one hour prior to dental procedure At age 11, person who lived in a non-fluoridated community since birth moves to an area where the water contains 10ppm of fluoride. At age 35 what is he most likely to have? - Increased fluoride stored in bones By standing three meters instead of one meter from the source of radiation, the resultant exposure is decreased by a factor of? - 9 Collagenase-producing microbes associated with chronic perio - Bacteroides sp. Deficiency in these vitamins can cause a patient have abnormal hemostasis - C and K Demineralization of the tooth can happen at what lowest acidic pH? - 5.0 During a prophy, a patient experiences a sudden loss of breath, labored breathing, cold clammy skin and pain radiating to the left shoulder and arm. What is most likely happening? - Coronary occlusionExcessive delayed expansion of an amalgam restoration is caused by? - Moisture contamination during mixing or condensation of the amalgam How to differentiate between fluorosis and tetracycline stain - Tetracycline stain fluoresces under UV light How to measure the extent to which a dental health program is achieving their objectives - Baseline program data Humoral immunity is mediated by? - B lymphocytes If source-to-film distance were increased without changing mA or exposure time, the resultant radiograph would be? - Lighter