Dental Procedures Quiz

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Questions and Answers

What does the abbreviation IV stand for?

  • Intravenous (correct)
  • Once daily
  • Intra muscular
  • Prescription

Which antibiotic inhibits ribosomal protein synthesis?

  • Beta-lactam antibiotics
  • Metronidazole
  • Clindamycin (correct)
  • Tetracyclines

What is the primary mode of action of Beta-lactam antibiotics?

  • Interference with bacterial metabolism
  • Inhibition of ribosomal protein synthesis
  • Inhibition of DNA synthesis
  • Inhibition of cell wall synthesis (correct)

Which antibiotic is derived from fungus penicillium?

<p>Ampicillin (C)</p> Signup and view all the answers

What structure is characteristic of beta-lactam antibiotics?

<p>B- Lactam ring (A)</p> Signup and view all the answers

Which antibiotic is known for its gastrointestinal side effects?

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

'Gm' stands for which unit of measurement?

<p>Gram (C)</p> Signup and view all the answers

Which antibiotic inhibits (DNA) synthesis?

<p>Metronidazole (C)</p> Signup and view all the answers

Which antibiotics are considered compatible with breastfeeding?

<p>Cephalosporins (C)</p> Signup and view all the answers

Which of the following drugs should be avoided in individuals with penicillin allergy?

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

What drug interaction should be considered when administering intravenous ceftriaxone?

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

Which cephalosporin should not be given with calcium-containing solutions to prevent microcrystalline precipitates?

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

Which antibiotic is commonly prescribed in dentistry to manage infections in penicillin allergic patients?

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

Why should cephalosporins be avoided in patients who had immediate hypersensitivity reactions to penicillin?

<p>Cross-reactivity between penicillin and cephalosporins (D)</p> Signup and view all the answers

What is the mechanism of action of cephalosporins in mammals?

<p>Enhancement of bacterial cell wall synthesis (B)</p> Signup and view all the answers

Which class of drugs can reduce the absorption of oral cephalosporins?

<p>$ ext{H2}$-Histamine Receptor Antagonists (A)</p> Signup and view all the answers

'Klacid' and 'Zithromax' are examples of which type of antibiotics?

<p>$ ext{Macrolides}$ (A)</p> Signup and view all the answers

What is the mechanism of action of aminoglycosides?

<p>Inhibition of bacterial protein synthesis (C)</p> Signup and view all the answers

Why are aminoglycosides not safe in pregnancy?

<p>They cross the placental barrier and can cause congenital deafness (D)</p> Signup and view all the answers

How are aminoglycosides primarily excreted from the body?

<p>Unchanged in urine (D)</p> Signup and view all the answers

Which adverse effect is associated with a rapid increase in aminoglycoside concentration?

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

What is the primary use of neomycin before colorectal surgery?

<p>To decrease bacterial load in the intestine (D)</p> Signup and view all the answers

Why must all aminoglycosides be given parenterally?

<p>To achieve adequate serum levels (A)</p> Signup and view all the answers

How do aminoglycosides affect auditory function leading to potential hearing loss?

<p>By damaging hair cells in the inner ear due to accumulation in the lymphatics (C)</p> Signup and view all the answers

What makes the antibacterial effects of beta-lactam antibiotics synergistic with aminoglycosides?

<p>Common mechanism of action on bacterial protein synthesis (B)</p> Signup and view all the answers

Why are aminoglycosides avoided in renally impaired patients?

<p>They can accumulate and worsen renal function (A)</p> Signup and view all the answers

What is the purpose of subgingival scaling?

<p>To remove plaque and calculus from below the gingival line and pockets (A)</p> Signup and view all the answers

What is the purpose of empiric therapy in antibiotic treatment?

<p>The antibiotic is directed against an anticipated (expected) causative microorganism (A)</p> Signup and view all the answers

What is the purpose of definitive therapy in antibiotic treatment?

<p>The antibiotic is directed against an identified causative microorganism (A)</p> Signup and view all the answers

What is the purpose of screening in dental procedures?

<p>To perform a quick assessment of individual health status (A)</p> Signup and view all the answers

What is an orthodontic appliance?

<p>Braces used in orthodontic treatment (A)</p> Signup and view all the answers

What is the purpose of therapeutic antibiotic treatment?

<p>The antibiotic is given after a bacterial infection is identified (A)</p> Signup and view all the answers

What is lymphadenopathy?

<p>Enlargement of lymph nodes due to infection (C)</p> Signup and view all the answers

What is pericoronitis?

<p>Inflammation of soft tissue surrounding the crown of a partially erupted tooth (A)</p> Signup and view all the answers

What is the purpose of culture and antibiotic sensitivity testing?

<p>To identify the specific bacterium causing the infection for definitive therapy (A)</p> Signup and view all the answers

What is the primary mechanism of action of penicillin antibiotics?

<p>Inhibition of bacterial cell wall synthesis (C)</p> Signup and view all the answers

Which statement about the spectrum of activity of penicillin antibiotics is correct?

<p>Penicillins have a broad spectrum of activity against gram-positive, gram-negative, aerobic and some anaerobic organisms (B)</p> Signup and view all the answers

Which of the following penicillins is a natural penicillin commonly used for oral infections?

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

Which penicillin is commonly used in dental practice?

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

What is the primary site of absorption for oral penicillins?

<p>Duodenum and small intestine (B)</p> Signup and view all the answers

Which statement about the distribution of penicillin is correct?

<p>Penicillin can penetrate the cerebrospinal fluid (CSF) only during meningitis (A)</p> Signup and view all the answers

Which of the following is a semisynthetic penicillin?

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

What is the primary indication for using Penicillin G?

<p>Syphilis and other non-oral infections (D)</p> Signup and view all the answers

Which of the following is a correct statement about syphilis?

<p>Syphilis is a sexually transmitted bacterial infection (C)</p> Signup and view all the answers

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