感染控制与患者安全练习卷（附答案）

Why is a Gram stain often done on a specimen before the culture result is ready?

1. AIt confirms whether the patient has a virus and which virus it is
2. BIt quickly sorts bacteria into groups that help choose early treatment
3. CIt measures the number of white cells in the blood
4. DIt shows exactly which antibiotic will work

Which factor is one of the strongest predictors that a patient will fall?

1. AA previous fall
2. BBeing female
3. CHaving a private room
4. DWearing glasses for reading

How often should home smoke alarms be tested?

1. AOnly when the battery runs out
2. BOnce a month
3. COnly after a fire
4. DOnce every five years

Which IV fluid can be given with packed red blood cells in the same line?

1. ALactated Ringer’s (Hartmann’s) solution
2. B5% dextrose in 0.45% sodium chloride
3. C0.9% sodium chloride
4. D5% dextrose in water

Which practice reduces back strain when a nurse moves a patient or heavy object?

1. ABend at the waist and keep both knees straight
2. BStand with the feet close together for balance
3. CKeep the load close to the body and avoid twisting
4. DHold the load at arm’s length to keep it steady

Why are blood cultures usually taken from two separate venipuncture sites?

1. ABecause each site tests a different antibiotic
2. BTo reduce the total amount of blood taken
3. CTo make the results come back faster from the laboratory
4. DTo help tell a true infection from skin contamination

A nurse teaches a patient with neutropenia about preventing infection at home. Which statement shows a need for further teaching?

1. A“I can clean the cat’s litter box if I wear a face mask.”
2. B“I will wash my hands often and ask visitors to do the same.”
3. C“I will avoid crowds and people who have colds.”
4. D“I will check my temperature and call if I have a fever.”

While preparing an IV medication, a nurse sees that the syringe tip touched the medication tray after the cap came off. What should the nurse do?

1. ABlow on the tip to remove any dust
2. BDiscard the syringe and prepare the dose again with new equipment
3. CGive the dose anyway, because the medication tray was cleaned this morning
4. DWipe the tip with an alcohol swab and give the dose