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 (A)</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 (D)</p> Signup and view all the answers

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

<p>INR (A)</p> Signup and view all the answers

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

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

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

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

What is the purpose of Couplands elevators in extraction procedures?

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

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

<p>Lingual nerve (C)</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 (D)</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 (D)</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 (C)</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 (A)</p> Signup and view all the answers

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

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

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

<p>to initiate clotting (C)</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 (C)</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 (A)</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 (D)</p> Signup and view all the answers

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

<p>Couplands (C)</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 (B)</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 (C)</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 (A)</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 (D)</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 (A)</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 (D)</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 (B)</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 (B)</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 (D)</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 (A)</p> Signup and view all the answers

What is the characteristic symptom of mild anaemia?

<p>Lethargy (D)</p> Signup and view all the answers

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

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

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

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

What is the expected consequence of acute blood loss?

<p>Collapse (B)</p> Signup and view all the answers

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