01
True or false
1 point
When palpating a possible venipuncture site, a firm, cordlike structure is more characteristic of a tendon than a vein.
Free Practice Quiz Question List
3 Venipuncture Fundamentals Online Quiz Questions
Use this free practice quiz with 20 questions to review 3 Venipuncture Fundamentals, test your knowledge, and prepare for your next test or exam.
20 questions
02
Choose one
1 point
A patient has a small, fragile vein that is difficult to access. Which equipment choice best fits this situation?
- A
Use a straight multisample needle in every case because it is the routine adult device.
- B
Consider a winged collection set and follow its correct tube-fill procedure.
- C
Use a syringe even when the standard evacuated-tube system is suitable.
- D
Choose the device based only on the tube cap color.
03
Written response
1 point
When it is suitable, which antecubital vein is usually the first choice for routine venipuncture?
04
Fill in the blank
1 point
After disinfecting the puncture area, allow the antiseptic to air-dry before inserting the needle.
05
Choose one
1 point
Which technique best describes how to enter a selected vein during routine venipuncture?
- A
Insert bevel down, across the vein, at a steep angle.
- B
Insert bevel up, in line with the vein, at a shallow angle generally no greater than about 30 degrees.
- C
Insert bevel up at a steep angle, then redirect repeatedly beneath the skin.
- D
Insert at any angle as long as the tourniquet remains tight.
06
Choose all
1 point
Select all situations in which the phlebotomist should avoid drawing from the proposed site or arm.
- A
The area has an infection.
- B
The area has significant bruising or swelling.
- C
The vein is easy to feel and reasonably straight.
- D
The arm has an active IV infusion.
- E
The site is restricted by the patient's care plan or facility policy.
07
True or false
1 point
During routine venipuncture, the tourniquet may remain in place while the needle is withdrawn if the blood flow has slowed.
- A
True
- B
False
08
Written response
1 point
According to the general guidance, what tourniquet duration in minutes should a phlebotomist avoid exceeding?
09
Fill in the blank
1 point
After withdrawing the needle, apply firm pressure with the patient's arm until bleeding stops.
10
Choose all
1 point
Select all sound practices when selecting collection tubes for ordered tests.
- A
Verify the tube required for each ordered test.
- B
Check the tube's expiration and required fill volume.
- C
Rely on cap color alone to identify the correct tube.
- D
Follow the required fill procedure for the collection device.
11
Choose one
1 point
During needle insertion, a patient reports sudden electric pain and tingling. What is the safest response?
- A
Continue the draw but move the needle repeatedly until the symptom stops.
- B
Ask the patient to pump their fist and finish collecting the tube.
- C
Stop the attempt and respond according to facility procedure.
- D
Withdraw the needle only after all ordered tubes are filled.
12
Choose one
1 point
Which approach best protects specimen identification and transport after collection?
- A
Label tubes later at a separate workstation and place them in any available bag.
- B
Label specimens at the patient's side or collection area, verify them against the patient and order, and use required transport packaging.
- C
Ask the patient to identify the tubes after they have been transported.
- D
Use tube cap colors as a substitute for specimen labels.
13
Open ended
1 point
A request includes tests that require several different collection tubes. Explain how to choose and fill the tubes and how to handle them to reduce the risk of additive carryover and protect specimen quality.
14
Choose one
1 point
A test order includes a tube you have not collected recently, and the cap colors in stock differ from what you expected. What should you do?
- A
Choose the tube whose cap color is most commonly associated with the test.
- B
Verify the required tube for the ordered test using current laboratory instructions.
- C
Use the same tube type for every test in the order.
- D
Select a tube based only on its fill volume.
15
Written response
1 point
Which superficial vein in the antecubital area is often the first choice when it is suitable?
16
True or false
1 point
True or false: Once blood flow is established, the tourniquet should be released before withdrawing the needle.
- A
True
- B
False
17
Written response
1 point
What is the general upper limit for the needle insertion angle, in degrees?
18
Choose one
1 point
A patient has a small, fragile vein that is difficult to access. Which device choice is supported by routine guidance?
- A
Use a syringe for every fragile vein, regardless of the collection requirements.
- B
Use a straight multisample needle because it is required for all adult draws.
- C
Consider a winged collection set and follow its correct tube-fill procedure.
- D
Avoid collecting the specimen because fragile veins cannot be used.
19
Choose one
1 point
After disinfecting a venipuncture site, a gloved hand accidentally touches it. What should the phlebotomist do before puncturing?
- A
Clean the site again and allow it to air-dry completely.
- B
Proceed if the site looks clean.
- C
Wipe the site dry with gauze and puncture immediately.
- D
Apply the tourniquet more tightly, then proceed.
20
Choose one
1 point
After collecting several tubes, how should the phlebotomist ensure that each specimen is correctly identified?
- A
Label all tubes later at the laboratory using the order as the only reference.
- B
Ask another patient to confirm the tube labels.
- C
Place labels on the tubes before collection and do not check them afterward.
- D
Label each specimen at the patient's side or collection area and verify it against the patient and order.