Preventing/controlling the transmission of infectious agents

Question 1

A patient was admitted to your health care facility with whooping cough. She is on her fifth day of taking her antimicrobial therapy. When will be the patient no longer infectious?

a. Patient is no longer infectious after 5 days of effective therapy.
b. Patient is no longer infectious after 7 days of effective therapy.
c. Patient is no longer infectious when there is no fever and cough.
d. Patient is no longer infectious when there is no cough and vomiting and fever.

Answer 1

a. Patient is no longer infectious after 5 days of effective therapy.

Question 2

A pregnant woman was on her second trimester. What type of vaccine she must received as recommended by the ACIP?

a. Tdap
b. Dtap
c. Td
d. Dt

Answer 2

a. Tdap

Question 3

ACIP recommends that all adults aged 19 years and older that have not received a dose of vaccine should receive a single dose, regardless of the interval since their last tetanus or diphtheria toxoid-containing vaccine.. What tis the ype of vaccine that person should receive?

a. Tdap
b. DtaP
c. Tetanus toxoid
d. Diptheria toxoid

Answer 3

a. Tdap

Question 4

The CDC and prevention and infectious disease experts recommend the following guidelines for managing pertussis exposures except:

a. Implement Droplet Precautions in addition to Standard Precautions for suspected or known infected patients.
b. Cohort exposed patients.
c. Provide postexposure prophylaxis for all symptomatic exposed employees, patients, and visitors regardless of immunization history.
d. Evaluate all symptomatic employees for pertussis and provide appropriate antimicrobial therapy.

Answer 4

c. Provide postexposure prophylaxis for all symptomatic exposed employees, patients, and visitors regardless of immunization history.

Question 5

What is the severe form of CDl in which patients exhibit a colitis characterized by the presence of pseudomembranes on the colon surface ?

Answer 5

pseudomembranous colitis (PMC)

Question 6

Measures directed at interruption of horizontal transmission:

a. barrier precautions (hand hygiene/hand washing, gloving, isolation, and cohorting)
b. administering antibiotic
c. use of sterile technique
d. fumigation

Answer 6

a. barrier precautions (hand hygiene/hand washing, gloving, isolation, and cohorting)

Question 7

What isolation precaution should be used when handling items contaminated with high-risk tissues from patients with confirmed or suspected disease, and those items should be labeled “biohazardous” or “Prion Precautions.?”

Answer 7

Standard Precautions

Question 8

Empiric (initial) antibiotics for meningitisFor preterm neonates up to 1 month of age;

a. ampicillin and cefotaxime
b. cefotaxime or ceftriaxone and vancomycin.

c. ampicillin and cefotaxime or ceftriaxone and vancomycin.
d. ampicillin,ceftriaxone and vancomycin.

Answer 8

a. ampicillin and cefotaxime

Question 9

Antibiotic chemoprophylaxis specially a favored regimen in nonpregnant adults, because it is oral and requires only one dose.

Answer 9

Ciprofloxacin (500 mg by mouth)