01
True or false
1 point
True or false: If possible, blood cultures should be collected before antimicrobial therapy begins.
Free Practice Quiz Question List
2 Blood Culture Collection Online Quiz Questions
Use this free practice quiz with 20 questions to review 2 Blood Culture Collection, test your knowledge, and prepare for your next test or exam.
20 questions
02
Choose one
1 point
Before collecting a blood culture, which patient-identification approach follows the procedure?
- A
Use one identifier if the patient confirms their name.
- B
Use at least two identifiers.
- C
Use the room number and bed location.
- D
Ask a nearby staff member to identify the patient.
03
Choose all
1 point
Which actions are appropriate when preparing a visibly soiled venipuncture site for a blood culture? Select all that apply.
- A
Clean visibly soiled skin before applying antiseptic.
- B
Touch the prepared site to check that it is dry.
- C
Use the required friction and contact time for the approved antiseptic.
- D
Allow the antiseptic to dry completely.
- E
Skip skin cleaning whenever a culture is collected before antibiotics.
04
Written response
1 point
What percentage of isopropyl alcohol is specified for disinfecting a blood-culture bottle’s rubber septum? Enter the percentage value only, without the percent sign.
05
Fill in the blank
1 point
After inoculating a blood-culture bottle, mix it as directed by the manufacturer; avoid vigorous shaking.
06
Choose one
1 point
A clinician is collecting blood cultures directly with a butterfly set. Which bottle sequence is commonly used?
- A
Anaerobic first, then aerobic.
- B
Aerobic first, then anaerobic.
- C
Either bottle first, because collection method never affects the sequence.
- D
Fill both bottles simultaneously.
07
Choose one
1 point
Blood is drawn into a syringe and then transferred to culture bottles. Which sequence is used by many procedures to limit air introduced into the anaerobic bottle?
- A
Anaerobic first, then aerobic.
- B
Aerobic first, then anaerobic.
- C
The sequence is always the same as direct butterfly collection.
- D
Transfer the blood into a routine tube before inoculating either bottle.
08
True or false
1 point
True or false: If other blood specimens are collected during the same venipuncture, collect the blood cultures first to reduce the risk of contamination from additives in other tubes.
- A
True
- B
False
09
Choose all
1 point
Which labeling and documentation practices are described for blood culture collection? Select all that apply.
- A
Label bottles at the collection site with required patient identifiers.
- B
Document the collection date and time.
- C
Document the anatomic site, collection method, and collector.
- D
Record the amount collected when required.
- E
Always omit the amount collected from documentation.
10
Written response
1 point
If repalpation of a prepared blood-culture site is necessary, what type of gloves should be used?
11
Fill in the blank
1 point
If prompt transport is unavoidably delayed, routine blood-culture bottles are generally kept at and not refrigerated.
12
Open ended
1 point
A clinician is preparing blood cultures for a child. Explain how to determine the collection volume and what to avoid when filling the bottles.
13
Choose one
1 point
An adult blood-culture set is being assembled. Which bottle combination is commonly used?
- A
Two aerobic bottles only.
- B
One aerobic and one anaerobic bottle.
- C
One pediatric bottle and one routine tube.
- D
One anaerobic bottle only.
14
Choose one
1 point
Multiple blood culture sets are ordered. How should the collection sites be selected?
- A
Collect all sets from the same site without checking the protocol.
- B
Use a central line for every set, regardless of the order.
- C
Use separate sites as directed by the clinical protocol.
- D
Choose a new site only if the first bottle is underfilled.
15
Written response
1 point
What kind of venipuncture technique should be used to collect the prescribed blood culture volume?
16
Choose one
1 point
After applying the approved skin antiseptic to a blood culture collection site, what should the collector do before venipuncture?
- A
Wipe the site dry immediately and begin venipuncture.
- B
Let the antiseptic dry completely without touching the prepared site.
- C
Cover the wet site with a dressing and begin venipuncture.
- D
Apply a second antiseptic over the first while it is still wet.
17
Written response
1 point
What is the minimum number of identifiers to use when identifying a patient before blood culture collection?
18
Choose one
1 point
After inoculating blood culture bottles, which handling action is appropriate?
- A
Shake each bottle vigorously for several seconds.
- B
Do not mix the bottles under any circumstances.
- C
Gently mix each bottle as directed by its manufacturer.
- D
Turn each bottle upside down repeatedly until bubbles form.
19
Choose one
1 point
Which approach best supports accurate identification and documentation after blood culture collection?
- A
Label the bottles at the collection site and document the collection details required by facility policy.
- B
Wait until the bottles reach the laboratory to label them, documenting only the patient's name.
- C
Label the bottles before collection and omit the collection method from the record.
- D
Document the collector and collection date, but not the site or time.
20
True or false
1 point
Routine blood culture bottles are generally kept at room temperature rather than refrigerated.
- A
True
- B
False