NBDHE Dental Hygienist Practice Test Questions With 100% Correct Answers.

Which of the following is the most radioresistant? a. Glands b. Reproductive organs c. Bone Marrow d. Skin e. Nerves - e. Nerves A _________ object to film distance and ________ source to film distance decreases magnification of the image. - Shorter; shorter A 55-year-old woman presents for a comprehensive exam with x-rays. After going over the health history with your patient, you begin to take her vital signs. After taking your patient's pulse, you begin to take the blood pressure with a stethoscope and manual blood pressure cuff. The patient's reading is 142/82. What does the first number mean in a blood pressure reading? - Systolic A dental carie is another name for a _____________. a. Dental iinstrument b. The gum line c. Cavity d. Plaque build-up e. Gingivitis - c. Cavity A diabetic patient arrives having just taken their insulin, but only ate a very light lunch due to having a dental procedure scheduled. During the appointment the patient begins experiencing headache and shakiness. What should the practitioner do? a. Administer nitrous oxide b. Wait until the patient feels better to continue the treatment c. Ask the patient to take more insulin - d. Have the patient drink a sodaexp: Have the patient drink a soda or juice, or have another sugar-containing snack due to a low level of blood sugar. After administering the sugar, monitor the patient. A diastema between #8 and 9 is marked by: a. One vertical red line between 8/9 b. Two vertical red lines between 8/9 c. One "v" drawn between 8/9 d. Two horizontal red lines between 8/9 - b. Two vertical red lines between 8/9 exp: Two vertical red lines placed between teeth #8 and 9 on a dental chart indicate a diastema between the two teeth. A diastema between #8 and 9 is marked by: - Two vertical red lines between 8/9 A flat stone may be used to sharpen a curette by hand. The face of the curette should be at what angle to the stone? a. 50-65 degrees b. 75-85 degrees c. 90-100 degrees d. 100-110 degrees e. 125-135 degrees - d. 100-110 degrees A narrow, slit like cleft in the marginal gingiva is called a ________ cleft. - Stillman's A pedicle graft uses a flap of tissue from which part of the mouth? a. From a neighboring tooth b. From the roof of the mouth c. From the inside cheek d. From any location it can be found e. From the bottom of the mouth - a. From a neighboring tooth