Dental Simulation Exam 3

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  • 1/100 Questions

    The surface of the tooth that is closest to the tongue is the ...

    • Facial surface
    • Lingual surface
    • Mesial surface
    • Distal surface
Please wait...
About This Quiz

This is your HAAD Dental Simulation 3
Questions are Taken from last month's HAAD EXAM for Dentist and Dental Assistants
You have 120 Minutes to answer 100 items
You need 70 % to Pass

Dental Simulation Exam 3 - Quiz

Quiz Preview

  • 2. 

    What is a crown?

    • An Artificial Tooth

    • An Impacted Tooth

    • Another Name For A Cavity

    • A Small Hole In Tooth

    Correct Answer
    A. An Artificial Tooth
    Explanation
    A crown is a dental prosthesis that is used to cover or cap a damaged or decayed tooth. It is placed over the existing tooth to restore its shape, size, strength, and appearance. Crowns are typically made from materials such as porcelain, metal, or a combination of both. They are custom-made to match the color and shape of the natural teeth, providing a natural-looking and functional replacement for a damaged tooth.

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  • 3. 

    Listerine and Scope are types of what dental product?

    • Mouthwash

    • Toothbrush

    • Floss

    • Toothpaste

    Correct Answer
    A. Mouthwash
    Explanation
    Listerine and Scope are well-known brands that are primarily associated with mouthwash. They are not toothbrushes, floss, or toothpaste. Therefore, the correct answer is mouthwash.

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  • 4. 

    What instruments are used in basic setup?

    • Mouth mirror

    • Explorer

    • Cotton pliers

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The correct answer is "all of the above" because in a basic setup for dental procedures, all three instruments mentioned - mouth mirror, explorer, and cotton pliers - are commonly used. The mouth mirror is used to provide visibility and reflection of the oral cavity, the explorer is used to detect any dental caries or abnormalities, and cotton pliers are used to handle and manipulate materials such as cotton rolls or gauze. Therefore, all of these instruments are essential in a basic dental setup.

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  • 5. 

    What is the titanium device that is used that looks like tooth?

    • Flouride

    • Filing

    • Dental implant

    • Plaque

    Correct Answer
    A. Dental implant
    Explanation
    A dental implant is a titanium device that is used to replace a missing tooth. It is designed to look and function like a natural tooth, providing a permanent solution for individuals with tooth loss. The titanium implant is surgically placed into the jawbone, acting as a replacement root for the artificial tooth. It is then topped with a dental crown that resembles a natural tooth, allowing for a seamless and aesthetically pleasing restoration.

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  • 6. 

    Swollen gums, gums that are tender and bleeding are signs of what disease?

    • Plaque

    • Gingivitis

    • Tartar

    • Bruxism

    Correct Answer
    A. Gingivitis
    Explanation
    Gingivitis is a gum disease characterized by swollen, tender, and bleeding gums. Plaque, a sticky film of bacteria, is the main cause of gingivitis. When plaque is not removed through proper oral hygiene, it can harden into tartar, which further irritates the gums and worsens gingivitis. Bruxism, on the other hand, refers to teeth grinding and is not directly related to swollen gums. Therefore, the correct answer is gingivitis.

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  • 7. 

    In the Universal Numbering System, the permanent teeth are numbered 1 to 32.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because in the Universal Numbering System, the permanent teeth are indeed numbered from 1 to 32. This system is commonly used by dentists and dental professionals to refer to specific teeth in a consistent and standardized manner. Each tooth is assigned a unique number, with the upper right third molar being numbered 1 and the lower left third molar being numbered 32. This numbering system allows for easy communication and identification of teeth during dental procedures and treatment planning.

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  • 8. 

    What is the abbreviation for Buccal-occlusal?

    • BO

    • BU

    • BC

    • BL

    Correct Answer
    A. BO
    Explanation
    The abbreviation for Buccal-occlusal is BO.

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  • 9. 

    Critical instruments do not have a high risk of disease transmission and do not need to be sterilized.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Critical instruments have a high risk of disease transmission and should be heat sterilized.

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  • 10. 

    A palm-thumb grasp is when an instrument is held ...

    • In the palm using the thumb to stabilize the instrument

    • The same way as a pen

    • In the palm of the hand

    Correct Answer
    A. In the palm using the thumb to stabilize the instrument
    Explanation
    A palm-thumb grasp refers to holding an instrument in the palm of the hand while using the thumb to stabilize it. This grip allows for better control and precision while using the instrument. It is different from holding a pen, where the fingers are used to grip the instrument instead of the thumb. Holding the instrument in the palm provides a more stable base for manipulating it.

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  • 11. 

    The system used in dentistry to remove water and other debris is called the oral evacuation system.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the system used in dentistry to remove water and other debris is indeed called the oral evacuation system. This system consists of a suction device that helps to remove saliva, water, and debris from the patient's mouth during dental procedures. It is an essential tool in maintaining a clean and dry working environment for the dentist, providing better visibility and preventing contamination.

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  • 12. 

    What area does an orthodontist specialized in?

    • Your Gums

    • Your Bite And Smile

    • Root Canals

    • Children's Teeth

    Correct Answer
    A. Your Bite And Smile
    Explanation
    An orthodontist specializes in the alignment and positioning of teeth and jaws, specifically focusing on correcting bite issues and improving the appearance of smiles. They use braces, retainers, and other appliances to straighten teeth and correct any misalignments or irregularities in the jaw. This helps to improve the functionality of the bite and enhance the overall aesthetic of the smile.

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  • 13. 

    What do you bite into to leave your bite mark to show how your teeth are aligned?

    • Plastic

    • Rubber

    • Steel

    • Wax

    Correct Answer
    A. Wax
    Explanation
    Wax is the correct answer because it is a malleable material that can be bitten into and leave a clear impression of the teeth. It is commonly used in dental practices to create molds of teeth for various purposes, such as creating dental appliances or studying the alignment of the teeth. Plastic, rubber, and steel are not typically used for this purpose as they are not as easily moldable and may not accurately capture the alignment of the teeth.

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  • 14. 

    The area between adjacent tooth surfaces is called the inter-proximal space.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The area between adjacent tooth surfaces is indeed called the inter-proximal space. This space is located between two teeth and is an important area for dental hygiene as it can easily trap food particles and bacteria, leading to tooth decay and gum disease if not properly cleaned. Regular flossing is recommended to clean the inter-proximal space and maintain oral health.

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  • 15. 

    Which of the following terms matches the following definition? The teeth on either side of a missing tooth

    • Abutment

    • Amalgam

    • Armamentarium

    • Articulator

    Correct Answer
    A. Abutment
    Explanation
    An abutment refers to the teeth on either side of a missing tooth. It is used as a support for a dental prosthesis, such as a bridge or a denture. The abutment teeth provide stability and anchorage for the prosthesis, allowing it to function properly and remain in place.

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  • 16. 

    Which of the following dietary sdjustments has the greatest impact in controlling dental caries

    • Increase frequency of food intake

    • Infrease frequesncy of vitamin intake

    • Decrease frequency of protein intake

    • Decrease frequency of carbohydrate intake

    Correct Answer
    A. Decrease frequency of carbohydrate intake
    Explanation
    Decreasing the frequency of carbohydrate intake has the greatest impact in controlling dental caries. Carbohydrates, especially sugars, are a major contributor to the development of dental caries. Bacteria in the mouth feed on the sugars from carbohydrates, producing acids that erode tooth enamel and lead to cavities. By reducing the frequency of carbohydrate intake, there is less opportunity for the bacteria to produce harmful acids, thus reducing the risk of dental caries.

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  • 17. 

    To ensure adequate extension of the impression when seating the mand impression tray for diagnostic casts, the patient should be instructed to

    • Elevate the tongue

    • Drop the chin to the chest

    • Raise the mandible

    • Hold their breath

    Correct Answer
    A. Elevate the tongue
    Explanation
    To ensure adequate extension of the impression when seating the mand impression tray for diagnostic casts, the patient should be instructed to elevate the tongue. Elevating the tongue helps to create space and prevent the tongue from interfering with the impression material. This allows for a more accurate and detailed impression of the mandibular arch, which is essential for creating precise diagnostic casts.

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  • 18. 

    A sign of gingivitis may be

    • Bleeding

    • Tooth mobility

    • Increase in sulcular depth

    • Pointed papillae

    Correct Answer
    A. Bleeding
    Explanation
    Bleeding is a common sign of gingivitis, which is inflammation of the gums. When gums are inflamed, they become sensitive and may bleed easily, especially while brushing or flossing. This occurs due to the buildup of plaque and bacteria along the gumline, causing irritation and inflammation. If left untreated, gingivitis can progress to more severe gum disease. Therefore, noticing bleeding gums is an important indication that one may have gingivitis and should seek dental care to prevent further complications.

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  • 19. 

    Large amounts of salicylates (sprin) are MOST likely to affect a patient's

    • Response to local anesthetics

    • Bleeding and clotting time

    • Tolerance to general anesthesia

    • Sensitivity to antibiotics

    Correct Answer
    A. Bleeding and clotting time
    Explanation
    Large amounts of salicylates (aspirin) can affect a patient's bleeding and clotting time. Salicylates are known to inhibit platelet aggregation and interfere with the production of thromboxane A2, which is important for blood clotting. This can lead to prolonged bleeding time and increased risk of bleeding. Therefore, it is likely that large amounts of salicylates would affect a patient's bleeding and clotting time.

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  • 20. 

     How often should you replace your toothbrush?

    • Every 2 weeks

    • Every 3-4 months

    • Every 6 months

    • Every 10-12 months

    Correct Answer
    A. Every 3-4 months
    Explanation
    To maintain good oral hygiene, it is recommended to replace your toothbrush every 3-4 months. Over time, the bristles of a toothbrush become frayed and worn, making it less effective in cleaning teeth and gums. Regularly replacing your toothbrush ensures that you are using a tool that can effectively remove plaque and bacteria from your mouth.

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  • 21. 

    Which of the following is the most infectious bloodeborne pathogen likely to be encountered in the dental workplace.

    • Hepatitis B

    • HIV

    • Tuberculosis

    • Prion disease

    Correct Answer
    A. Hepatitis B
    Explanation
    Hepatitis B is the most infectious bloodborne pathogen likely to be encountered in the dental workplace. It is transmitted through contact with infected blood or bodily fluids, making dental professionals particularly susceptible due to the nature of their work. HIV is also a bloodborne pathogen, but it is less infectious than Hepatitis B. Tuberculosis is primarily transmitted through respiratory droplets and is not as commonly encountered in dental settings. Prion diseases, such as Creutzfeldt-Jakob disease, are not typically transmitted through blood or bodily fluids and are therefore less likely to be encountered in the dental workplace.

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  • 22. 

    What is the abbreviation for Mesioincisal?

    • MI

    • MO

    • MS

    • MC

    Correct Answer
    A. MI
    Explanation
    The abbreviation for Mesioincisal is MI.

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  • 23. 

    When assisting during oral surgery the dental assistant should NEVER

    • Wipe oral tissue with gauze

    • Blow air to clear the socket

    • Flush the area with water

    • Suction the anesthetized area

    Correct Answer
    A. Blow air to clear the socket
    Explanation
    When assisting during oral surgery, the dental assistant should never blow air to clear the socket. Blowing air can disrupt the blood clot that forms in the socket after the tooth extraction, leading to a condition called dry socket. Dry socket can cause severe pain and delay the healing process. It is important for the dental assistant to follow proper protocols and avoid any actions that could potentially harm the patient's recovery.

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  • 24. 

    What is cariology?

    • The study of oral hygiene

    • The study of the jaw

    • The study of the gums

    • The study of tooth decay

    Correct Answer
    A. The study of tooth decay
    Explanation
    Cariology is the study of tooth decay. This field of dentistry focuses on the causes, prevention, diagnosis, and treatment of dental caries (tooth decay). Cariologists study the various factors that contribute to tooth decay, such as bacteria, diet, oral hygiene practices, and genetics. They also investigate different treatment methods and preventive measures to maintain oral health and prevent tooth decay.

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  • 25. 

    In what source can fluoride be found?

    • Vegetables

    • Water

    • Fruit

    • Milk

    Correct Answer
    A. Water
    Explanation
    Fluoride can be found in water.

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  • 26. 

    According to the Universal Numbering System, tooth #7 and #10 are maxillary lateral incisors.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    According to the Universal Numbering System, tooth #7 and #10 are indeed maxillary lateral incisors. The Universal Numbering System is a dental notation system used to identify and label teeth in a consistent and standardized manner. In this system, the maxillary lateral incisors are assigned the numbers 7 and 10. Therefore, the statement is true.

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  • 27. 

    Signs and symptoms most commonly associated with anaphylctic reaction incluse

    • Difficulty breathng, cramping, tongue and throat swelling, decrease in blood pressure

    • Temporary unconsciousness, slight sweating, clammy skin, decrease in blood pressure and pulse rate

    • Crushing pain in the mid-chest, jaw pain, pain radiating down left arm

    • Progressive tiredness, slurred speech, decreased mental alertness, coma in final atages

    Correct Answer
    A. Difficulty breathng, cramping, tongue and throat swelling, decrease in blood pressure
    Explanation
    The signs and symptoms most commonly associated with an anaphylactic reaction include difficulty breathing, cramping, tongue and throat swelling, and a decrease in blood pressure. These symptoms are indicative of a severe allergic reaction, which can be life-threatening if not treated promptly. The difficulty breathing and swelling of the tongue and throat can lead to a blocked airway, while the decrease in blood pressure can result in dizziness and fainting. Prompt medical intervention, such as the administration of epinephrine, is crucial in managing an anaphylactic reaction.

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  • 28. 

    If an error has been made on a clinical record entry, which of the following should be done?

    • Erase the error and rewrite the entry correctly

    • Mark through the incorrect entry so that it cannot re read

    • Draw one line through the incorrect entry and initial and write the correct entry below

    • Circle the incorrect entry in red

    • Do nothing to the incorrect entry; just rewrite the entry correctly

    Correct Answer
    A. Draw one line through the incorrect entry and initial and write the correct entry below
    Explanation
    When an error is made on a clinical record entry, the correct procedure is to draw one line through the incorrect entry, initial it, and then write the correct entry below. This method ensures that the incorrect entry is still visible, preventing any potential tampering or alteration of the record. By initialing the correction, it provides accountability for the change made. Writing the correct entry below allows for clear documentation of the accurate information.

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  • 29. 

    Which of the following is a characteristic of aggressive brushing

    • Abrasion

    • Attrition

    • Abfraction

    • Erosion

    Correct Answer
    A. Abrasion
    Explanation
    Aggressive brushing refers to brushing with excessive force and pressure, which can lead to the wearing away of the tooth's surface. This process is known as abrasion. Abrasion occurs when the tooth enamel is physically worn down by the friction caused by aggressive brushing. It can result in the formation of notches or grooves near the gum line and sensitivity in the affected teeth. Therefore, abrasion is a characteristic of aggressive brushing.

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  • 30. 

    Which of the following conditions may occur if excess cement is NOT removed from the cervical margin after cementation of a crown

    • Lateral movement of the adjacent tooth

    • Inflamation of interdental papille

    • Fracture of the cervical margin of the preparation

    • Increase occurrence of subgingival carries

    Correct Answer
    A. Inflamation of interdental papille
    Explanation
    If excess cement is not removed from the cervical margin after cementation of a crown, it can lead to inflammation of the interdental papilla. The interdental papilla is the gum tissue that fills the space between two teeth. Excess cement can get trapped in this area and cause irritation and inflammation. This can result in redness, swelling, and discomfort in the gum tissue. It is important to remove any excess cement to prevent this complication and maintain healthy gum tissue.

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  • 31. 

    Chairside assisting DURING the anesthesia injection usually incluse which of the following responsibilities

    • Applying topical anesthetic to injection site

    • Passing and receiving the syringe

    • Injecting anesthetic

    • Administering propylactic antibiotic

    Correct Answer
    A. Passing and receiving the syringe
    Explanation
    During the anesthesia injection, chairside assisting typically includes the responsibility of passing and receiving the syringe. This means that the assistant will assist the dentist by handing them the syringe when needed and taking it back from them after use. This task helps to ensure a smooth and efficient administration of anesthesia during dental procedures. The other responsibilities mentioned, such as applying topical anesthetic, injecting anesthetic, and administering prophylactic antibiotics, may also be part of the chairside assistant's role, but they are not specifically mentioned in the given question.

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  • 32. 

    Enamel, cementum, pulp and what are the major components of a tooth?

    • Nerve

    • Blood vessle

    • Bone

    • Dentin

    Correct Answer
    A. Dentin
    Explanation
    Dentin is one of the major components of a tooth, along with enamel, cementum, and pulp. Dentin is a hard, calcified tissue that forms the bulk of the tooth structure. It is located beneath the enamel and cementum and surrounds the pulp. Dentin provides support and strength to the tooth, protecting the more delicate pulp tissue. It is composed of mineralized connective tissue and contains microscopic tubules that house the tooth's nerve endings.

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  • 33. 

    What is xerostomia?

    • Gum decay

    • Tooth decay

    • Griding of the teeth

    • Dry mouth

    Correct Answer
    A. Dry mouth
    Explanation
    Xerostomia refers to the condition of having a dry mouth. It occurs when there is a decrease in saliva production, leading to discomfort and difficulty in speaking, swallowing, and tasting. This condition can be caused by various factors such as certain medications, medical treatments, dehydration, and certain medical conditions. Gum decay, tooth decay, and grinding of the teeth are not the same as xerostomia, although dry mouth can contribute to these issues. Therefore, the correct answer is dry mouth.

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  • 34. 

    Which is an example of a hand cutting instrument?

    • Excavators

    • Amalgom condensers

    • Burnishers

    • Amalgom Carvers

    Correct Answer
    A. Excavators
    Explanation
    Excavators are examples of hand cutting instruments used in dentistry. They are specifically designed to remove decayed tooth structure and prepare the tooth for restorative procedures. Excavators have sharp, curved ends that allow for precise cutting and removal of the affected tooth material. They are commonly used in dental clinics and are an essential tool in the field of dentistry.

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  • 35. 

    Before an extraction, patients with a histoy of rheumatic heart disease should

    • Receive an electrocardiogram

    • Have 2 days of bed rest

    • Be heart healty

    • Receive prophylactic antiobiotic therapy

    Correct Answer
    A. Receive prophylactic antiobiotic therapy
    Explanation
    Patients with a history of rheumatic heart disease are at an increased risk of developing infective endocarditis, a serious infection of the heart valves. Therefore, before undergoing any extraction procedure, it is important for these patients to receive prophylactic antibiotic therapy. This helps to prevent the bacteria from entering the bloodstream during the extraction and causing an infection in the damaged heart valves. The antibiotic therapy reduces the risk of complications and ensures the patient's safety during the procedure.

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  • 36. 

    To give informed consent, the patient must know all of the following except

    • Nature of the condition

    • Alternative treatment plans

    • Proposed treatment

    • Risk of denying treatment

    • Training the dentist has had in performing the recommended procedure

    Correct Answer
    A. Training the dentist has had in performing the recommended procedure
    Explanation
    Informed consent requires the patient to be aware of the nature of their condition, alternative treatment plans, the proposed treatment, and the risks of denying treatment. However, the patient does not need to know about the training the dentist has had in performing the recommended procedure in order to give informed consent. This information is not directly relevant to the patient's understanding of their condition, treatment options, or potential risks.

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  • 37. 

    When a right-handed dentist is preparing the occlusal of tooth #14, the dental assistant is responsible for retracting the patient's

    • Lower lip

    • Left cheek

    • Tongue

    • Right cheek

    Correct Answer
    A. Left cheek
    Explanation
    When a right-handed dentist is preparing the occlusal of tooth #14, the dental assistant is responsible for retracting the patient's left cheek. This is because the dentist's dominant hand is right-handed, so the dental assistant needs to retract the cheek on the opposite side to provide better visibility and access to the tooth being worked on. Retracting the left cheek allows the dentist to have a clear view and work comfortably without obstruction.

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  • 38. 

    Which of the following statements is correct regarding the light curing of composite

    • Curing for a slightly longer time is preferred to under curing

    • If using a shield, addition time is required

    • The amount of the time needed will affect the shade

    • Humidity and room temperature weill affect the amount of time needed

    Correct Answer
    A. Curing for a slightly longer time is preferred to under curing
    Explanation
    Curing for a slightly longer time is preferred to under curing because under curing can result in insufficient polymerization of the composite material, leading to decreased strength and durability of the restoration. On the other hand, slightly longer curing time ensures complete polymerization, resulting in a stronger and more stable composite restoration.

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  • 39. 

    What size is the gingival sulcus normally?

    • 1.5 - 3 mm in depth

    • 1.5 - 3.5 mm in depth

    • 2 - 4 mm in depth

    Correct Answer
    A. 1.5 - 3 mm in depth
    Explanation
    The gingival sulcus is a narrow space between the tooth and the surrounding gum tissue. It is a normal part of the oral anatomy and is typically measured in terms of its depth. The correct answer is 1.5 - 3 mm in depth, which means that the sulcus is typically between 1.5 and 3 millimeters deep. This range is considered normal and healthy for the gingival sulcus.

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  • 40. 

    What type of untreated complex commonly results in caries?

    • Lipstick on teeth

    • Biofilm

    • Hydrogen peroxide

    • Chlorhexidine

    Correct Answer
    A. Biofilm
    Explanation
    Biofilm is the correct answer because it is a complex structure formed by bacteria that adhere to surfaces, including teeth. When biofilm is left untreated, it can lead to the development of caries, which are cavities or decay in the teeth. The bacteria in the biofilm produce acids that erode the tooth enamel, leading to the formation of caries. Regular brushing and flossing help to remove biofilm and prevent the development of caries.

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  • 41. 

    If swallowed, flouride may cause

    • Tooth discoloration

    • Nausea and vomiting

    • Permanent damage to the stomach lining

    • Loss of taste sensation

    Correct Answer
    A. Nausea and vomiting
    Explanation
    If swallowed, fluoride may cause nausea and vomiting. Fluoride is a chemical compound commonly found in toothpaste and drinking water. Ingesting excessive amounts of fluoride can lead to gastrointestinal symptoms such as nausea and vomiting. This occurs because fluoride can irritate the stomach lining, causing discomfort and the urge to vomit. It is important to be cautious about the amount of fluoride ingested to avoid these potential side effects.

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  • 42. 

    When a right-handed dentist is performing a chairside procedure, the dental assistant is usually positioned in the

    • 11 o'clock position at the same height as the dentist

    • 12 o'clock position at the same height as the dentist

    • 3 o'clock position below the level of the patient's chin

    • 9 o'clock position above the height of the dentist

    Correct Answer
    A. 3 o'clock position below the level of the patient's chin
    Explanation
    In dentistry, the dental assistant is usually positioned in the 3 o'clock position below the level of the patient's chin when a right-handed dentist is performing a chairside procedure. This positioning allows the dental assistant to have a clear view of the dental field and provide necessary instruments and materials to the dentist without obstructing their view or movement. Being below the level of the patient's chin also ensures that the dental assistant is not in the direct line of sight between the dentist and the patient, allowing for better communication and patient comfort.

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  • 43. 

    A treatment plan is:

    • When a client is swelling

    • A forecast of probable course

    • Determination and administration of a rational plan on treatment

    Correct Answer
    A. Determination and administration of a rational plan on treatment
    Explanation
    The correct answer is "Determination and administration of a rational plan on treatment." This means that a treatment plan involves making a decision and implementing a logical and effective approach to treating a client's condition. It includes determining the appropriate course of action and managing the treatment process in a systematic and organized manner.

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  • 44. 

    The dental degree DDS means...

    • Dental Doctor and Specialist

    • Degree of Dental Science

    • Doctor of Dental Specialties

    • Doctor of Dental Surgery

    Correct Answer
    A. Doctor of Dental Surgery
    Explanation
    The dental degree DDS stands for Doctor of Dental Surgery. This degree is awarded to dentists who have completed a program of study in dental medicine and have acquired the necessary skills and knowledge to practice dentistry. The term "surgery" in the degree title reflects the fact that dentists are trained to perform surgical procedures related to oral health, such as tooth extractions and dental implants. The DDS degree signifies that the individual has undergone comprehensive training in all aspects of dental care and is qualified to diagnose and treat various oral health conditions.

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  • 45. 

    The anterior teeth are toward the front and include the incisors and molars.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The anterior teeth include the incisors and canines.

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  • 46. 

    The patient position where the patients head is lower than their heart is the ...

    • Subsupine position

    • Upright position

    • Supine position

    Correct Answer
    A. Subsupine position
    Explanation
    The subsupine position refers to a patient position where the patient's head is lower than their heart. In this position, the patient lies on their back with their head tilted downwards, which helps to promote blood flow to the head and upper body. This position is commonly used during certain medical procedures or when a patient is experiencing symptoms such as dizziness or low blood pressure. The upright position refers to a patient sitting or standing straight, while the supine position refers to a patient lying flat on their back with their face and torso facing upwards.

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  • 47. 

    When measuring blood pressure, the patient should be seated with the arm in which position

    • At rest with the arm and hand extended down

    • Slightly flexed, with forearm supported at heard level

    • Rigid with arm straight out from body

    • Position of arm not important

    Correct Answer
    A. Slightly flexed, with forearm supported at heard level
    Explanation
    When measuring blood pressure, it is recommended to have the patient seated with the arm slightly flexed and the forearm supported at heart level. This position helps to ensure accurate readings by minimizing the effect of gravity on blood flow. Keeping the arm at heart level helps to maintain consistent pressure in the arteries, while the slight flexion of the arm allows for proper positioning of the blood pressure cuff. This position also ensures that the muscles in the arm are relaxed, reducing any potential interference with the accuracy of the measurement.

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  • 48. 

    Which of the following materials has the shortest shelf life

    • Needles

    • Anestitics

    • Nonimpregnated retraction cord

    • Sticky wax

    Correct Answer
    A. Anestitics
    Explanation
    Anesthetics have the shortest shelf life among the given options. This is because anesthetics are typically in liquid or gel form and are susceptible to degradation over time due to factors such as exposure to air, light, and temperature changes. Additionally, anesthetics may contain preservatives that can lose their effectiveness over time, further reducing their shelf life. It is important to regularly check the expiration date and discard any expired anesthetics to ensure their efficacy and safety during medical procedures.

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  • 49. 

    In a patient with temporomandibular joint disorder, the grating sound heard within the joint is called

    • Crepitus

    • Hypomobility

    • Myofacial dysfunction

    • Trismus

    Correct Answer
    A. Crepitus
    Explanation
    Crepitus is the correct answer because it refers to the grating sound heard within the temporomandibular joint in a patient with temporomandibular joint disorder. It is a common symptom of this disorder and is caused by the rubbing of the joint's surfaces against each other due to abnormalities in the joint structure or function. Hypomobility refers to reduced movement of the joint, myofacial dysfunction refers to muscle pain and dysfunction, and trismus refers to limited mouth opening, none of which specifically describe the grating sound.

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