Displaying 26-50 of 82
1 2 3 4
Page 2 of 4
Q: The cervical area has ____ vertebrae.
(A). 5(B). 7(C). 9(D). 12Keyword: 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: (B). 7When someone gets an...  Read More
Q: The arrows are pointing at:
(A). Fusion(B). Concrescence(C). Gemination(D). Dens indente Dens indente(also calleddensinvaginatus)isformed 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 irregularities of the...  Read More
Q: Solar cheilitis is more common in:
(A). Immunocompromised patients(B). Dark-skinned adults(C). Patients undergoing cancer therapy(D). Fair-skinned adultsSolar cheilitis, also calledactinic cheilitisoccurs more commonly infair-skinnedindividuals. Here are some more characteristics(bullet point style, that's what we like at StudentRDH...  Read More
Q: The senses of the anterior third of the tongue are provided by which cranial nerve?
(A). Fifth(B). Ninth(C). Eighth(D). TwelfthKeywords: senses, anterior thirdThis is a very difficult question in my opinion. But we will dissect it together so you are more ready for the dental hygiene board exam (NBDHE, NDHCE). First of all, we know that there are12 cranial nerves, like a dozen...  Read More
Q: Probe depth is 7 mm, recession is 2 mm. What is the CAL?
(A). 2 mm(B). 5 mm(C). 7 mm(D). 9 mmKeyword: recessionClinical 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 change, the CEJ.To calculate...  Read More
Q: Patients with artificial joints require premedication before dental treatments for:
(A). The first 6 months(B). The first 2 months(C). The first 2 years(D). Premedication is not indicatedThis is probably one of the most commonly asked questions by students at. At school, you may have been taught the “2 years, or for life” rule. Buttossthat! The newest guidelines from...  Read More
Q: The parotid gland secretes saliva through which duct?
(A). Wharton's duct(B). Stensen's duct(C). Bartholin's ductDucts are escape routes for the saliva and other types of secretion from glands. However, not all glands have ducts - some are ductless. Here is a summary of the major salivary glands and their ducts relevant to us #RDH #FutureRDH: ...  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). XerostomiaMetronidazole is an anti-infective drug (antibiotics) that is used in dentistry to treatinfectionscaused by anaerobes organisms andaggressive periodontitis. The oral side effects of metronidazole include: Metallic...  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 IIIWhen 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 cusp of the max...  Read More
Q: How can you control a hematoma?
(A). Apply heat for 20 minutes(B). Apply ice for 2 minutes(C). Alternate ice and heat(D). All the aboveFirst of all, what is ahematoma? A hematoma is theoutflow of bloodinto extravascular spaces. In dentistry, a hematoma can occur when the needle damages the blood vessels during an injection. The...  Read More
Q: Dentin formed in response to injury is called:
(A). Primary dentin(B). Secondary dentin(C). Tertiary dentinKeyword: injuryDentin comprises themainportion of the tooth. It is softer than enamel but harder than bone.There are different types of dentin: The dentin that forms when a tooth erupts is calledprimarydentin. The dentin that forms...  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 canThe 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 heart rate...  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 45-90° with an...  Read More
Q: A black line stain is generally related to:
(A). Chlorhexidine(B). Clean mouth(C). Black tea(D). TobaccoBlack 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 bacteria found...  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. Themeanis...  Read More
Q: 10 grams of fat produces:
(A). 4 kcal(B). 7 kcal(C). 9 kcal(D). 90 kcalKeywords: 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 energyAnswer: (D). 90 kcalWas (C). 9 kcal tempting to choose?...  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 irregularities...  Read More
What happens with depolarization of a nerve?
Local Anesthesia | For the WREB, CDCA Dental Hygiene Board ExamQ: 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 potassium ions...  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 contact with a...  Read More
The piezoelectric scaler tip moves in which pattern?
(A). Linear(B). Round(C). EllipticalPiezoelectric scaler uses ceramic discs or quartz plates to convertelectricity to movement. The tip moves in a linear pattern (front andback) with the two sides of the tip move at 25,000 to 50,000 cycles/sec(cps). The tip moves in an elliptical motion, at 18,000...  Read More
The force of attraction between unlike atoms and molecules is called:
(A).Cohesion(B).Viscosity(C).Mechanical bonding(D).AdhesionKeywords: unlikeThe 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 the amount of...  Read More
The basic unit of the tooth enamel is the:
(A). Enamel rod(B). Enamel tuft(C). Enamel spindle(D). Enamel lamellaeEnamel 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 are defects...  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 - rectangleThe 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 at the back....  Read More
Which cell component synthesizes lysosomes?
(A). Cell membrane(B). Golgi complex(C). Cytoplasm(D). Endoplasmic reticulumEukaryotes or normal cells are composed the following: Golgi complex: stack of sacs that packages and distributes proteins out of the cell. The complex also synthesizes lysosomal cells, which break down the foreign...  Read More
Displaying 26-50 of 82
1 2 3 4
Page 2 of 4

Total Blog Activity

Total Bloggers
Total Blog Posts
Total Podcasts
Total Videos


Site Help

Sally Gross, Member Services
Phone: +1-480-445-9710

Follow Hygienetown

Mobile App



9633 S. 48th Street Suite 200 • Phoenix, AZ 85044 · Phone: +1-480-598-0001 · Fax: +1-480-598-3450
©1999-2019 Hygienetown, L.L.C., a division of Farran Media, L.L.C. · All Rights Reserved