Small Group: Respiratory Infections and Anaerobic Infections

Question 1

What is the sensitivity of PPD?

Answer 1

About 75% in those with culture-proven TB

Question 2

Don’t forget that an AFB-positive sputum sample might be ______________.

Answer 2

Nocardia, M. avium, and M. kansasii

Question 3

What is the mortality of someone who is smear-positive for TB?

Answer 3

65% in five years

Question 4

What percent of people who’ve had contact with a symptomatic TB patient will develop active TB?

Answer 4

1% - 2%

Question 5

To prevent the spread of infection, those with active tuberculosis should _______________.

Answer 5

wear a mask

Question 6

Where can you see splinter hemorrhages in infective endocarditis?

Answer 6

• Roof of the palate
• Conjunctivae
• Fingertips

Question 7

In what animal bite cases should you give antibiotics?

Answer 7

• Immunocompromised or asplenic people
• Signs of infection (i.e., redness, swelling, pus, warmth)
• High-risk locations: hand, joints, genitals
• Severe bites
• Deep punctures

Question 8

Which antibiotics should be given to those bitten by animals?

Answer 8

• Augmentin and clindamycin

* If a person is allergic to amoxicillin, then third-generation cephalosporins or Bactrim can be given

Question 9

What distinguishes Pasteurella infections from S. aureus infections (in bite injuries)?

Answer 9

Pasteurella is more painful.