S13C157 - Occupational Exposures, Infection Control and Standard Precautions

Question 1

PEP for HIV

Answer 1

• 2 drug PEP unless more severe risk then 3 drugs
• 2 drugs: tenofovir plus lamivudine
• 3 drugs: add lopinavir/ritonavir combo

Question 2

Airborne-spread infectious diseases

Answer 2

• rubeola (measles), TB, varicella
• transmitted by airborne droplet nuclei
• place in negative pressure room with 6-12 air changes per hour

Question 3

Droplet precautions

Answer 3

• dz tranmitted by large particle droplets from talking, sneezing, coughing
• door to room may remain open
• N95 masks
• H flu, neisseria meningitidis, diphtheria, mycoplasma, pertussic, plague, strep pharyngitis, scarlet fever, adenovirus, influenza, mumps, parvovirus, rubella

Question 4

Contact precautions

Answer 4

• dz transmitted by direct contact
• c diff, e coli, shigella, HAV, rotavirus, RSV, parainfluenza, diphtheria, HSV, impetigo, scabies, staph furunculosis, zoster, viral hemorrhagic infections
• gloves, hand washing, gown