Anemia Causes and Pathophysiology
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Questions and Answers

What is the cause of anaemia due to defective haemoglobin function?

  • Bone marrow aplasia
  • Vitamin deficiency
  • Sickle cell anaemia (correct)
  • Malaria

    • In dental practice, what is the administration route of Midazolam?

  • Buccal (correct)
  • Intramuscular
  • Oral
  • Intravenous

    • Which of the following patients should NOT receive general anaesthesia?

  • Asthmatic patient with controlled symptoms
  • Pregnant patient
  • Diabetic patient
  • Sickle cell anaemia patient (correct)

    • What is the reversal agent for Midazolam?

    <p>Flumazenil</p> Signup and view all the answers

    In patients with chronic kidney disease, what should be done when administering IV sedation?

    <p>Proceed with caution</p> Signup and view all the answers

    What should be checked before administering IV sedation to diabetic patients?

    <p>INR</p> Signup and view all the answers

    What is the primary purpose of using Luxators in extraction procedures?

    <p>To sever the periodontal ligament</p> Signup and view all the answers

    Which type of forceps is used for anterior upper teeth extraction?

    <p>Maxillary forceps</p> Signup and view all the answers

    What is the purpose of Couplands elevators in extraction procedures?

    <p>To elevate and mobilize retained roots</p> Signup and view all the answers

    Which nerve should be avoided during the extraction of lower 8s?

    <p>Lingual nerve</p> Signup and view all the answers

    What is the purpose of infiltrating the LL6 and UR3 in extraction procedures?

    <p>To anaesthetize the buccal and palatal nerves</p> Signup and view all the answers

    What is the reason for placing sutures in the soft palate/maxillary tuberosity during extraction?

    <p>To allow for oroantral communication</p> Signup and view all the answers

    What is the primary function of plasmin in the context of fibrinolysis?

    <p>to break down fibrin in clot</p> Signup and view all the answers

    What is the primary mechanism of action of tranexamic acid in the context of fibrinolysis?

    <p>it inhibits plasminogen breakdown</p> Signup and view all the answers

    At what stage of bone formation does lamellar bone replace woven bone?

    <p>Between Day 18-42</p> Signup and view all the answers

    What is the primary purpose of using oxidised cellulose in local haemostatic measures?

    <p>to initiate clotting</p> Signup and view all the answers

    What is the purpose of suture across the socket in local haemostatic measures?

    <p>to prevent haemorrhage from mucosa</p> Signup and view all the answers

    What is the purpose of tranexamic acid on gauze in relation to bleeding control?

    <p>To prevent the formation of plasmin from plasminogen</p> Signup and view all the answers

    What is the recommended adjustment for Dabigatran and Apixaban in the morning following a dental extraction?

    <p>Omit the morning dose and take a normal dose in the evening</p> Signup and view all the answers

    Which elevator is characterized by a flat, sharp working blade?

    <p>Couplands</p> Signup and view all the answers

    What is the main function of a bone nibbler in dental extractions?

    <p>To cut away at bone</p> Signup and view all the answers

    Which forceps is designed for use in upper molars with badly broken down or fractured roots?

    <p>Upper cow horns</p> Signup and view all the answers

    What is the purpose of the fulcrum in elevator use?

    <p>To provide a pivot point for rotational movement</p> Signup and view all the answers

    What is the primary purpose of using periapical radiographs in dentistry?

    <p>To detect apical infection and other diseases</p> Signup and view all the answers

    What is the main limitation of the bisected angle technique in dental radiography?

    <p>It is unreliable and produces cone cuts easily</p> Signup and view all the answers

    What is the purpose of using bitewing radiographs in dentistry?

    <p>To monitor the progression of dental caries</p> Signup and view all the answers

    What is the effect of incorrect vertical angulation in the bisected angle technique?

    <p>It leads to elongation of the image</p> Signup and view all the answers

    What is the advantage of using the bisected angle technique in dental radiography?

    <p>It is suitable for patients with gagging problems</p> Signup and view all the answers

    What is the principle behind the parallax technique in dental radiography?

    <p>It is based on the apparent displacement of an object due to different positions of the observer</p> Signup and view all the answers

    What is the primary cause of anaemia due to decreased production of red cells?

    <p>Bone marrow aplasia</p> Signup and view all the answers

    What is the characteristic symptom of mild anaemia?

    <p>Lethargy</p> Signup and view all the answers

    What is the expected finding in a patient with severe anaemia?

    <p>All of the above</p> Signup and view all the answers

    What is the GFR range for Grade 3 moderate Chronic Renal Failure?

    <p>30-60</p> Signup and view all the answers

    What is the expected consequence of acute blood loss?

    <p>Collapse</p> Signup and view all the answers

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