Phlebotomy II NHA Practice Test
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What is the primary reason for performing a venipuncture?
A) To administer medication
B) To obtain blood for laboratory analysis
C) To test blood pressure
D) To perform a physical exam
B) To obtain blood for laboratory analysis
Which vein is typically the first choice for venipuncture?
A) Basilic vein
B) Cephalic vein
C) Median cubital vein
D) Jugular vein
C) Median cubital vein
What is the proper angle for needle insertion during venipuncture?
A) 45 to 60 degrees
B) 15 to 30 degrees
C) 10 to 15 degrees
1
,D) 30 to 45 degrees
B) 15 to 30 degrees
What is the purpose of using a tourniquet during venipuncture?
A) To clean the site
B) To help locate veins
C) To stabilize the needle
D) To prevent infection
B) To help locate veins
What should a phlebotomist do if a patient becomes faint during the blood draw?
A) Continue with the procedure
B) Call for assistance and remove the needle
C) Leave the patient alone
D) Ask the patient to take deep breaths
B) Call for assistance and remove the needle
Which blood collection tube is commonly used for a complete blood count (CBC)?
A) Red-top tube
B) Light blue-top tube
C) Lavender-top tube
D) Green-top tube
C) Lavender-top tube
2
,What does the term "hemolysis" refer to?
A) Clotting of blood
B) Rupture of red blood cells
C) Decreased white blood cells
D) Increase in blood volume
B) Rupture of red blood cells
What is the recommended maximum time a tourniquet should be applied?
A) 3 minutes
B) 1 minute
C) 2 minutes
D) 30 seconds
B) 1 minute
Which of the following is a common complication of venipuncture?
A) Hypotension
B) Phlebitis
C) Anemia
D) Edema
B) Phlebitis
What is the correct order of draw when collecting blood samples?
3
, A) Yellow, green, lavender, red
B) Blue, red, gold, green
C) Blue, red, lavender, gray
D) Green, lavender, gray, yellow
C) Blue, red, lavender, gray
What is the purpose of the blood culture tube?
A) To collect plasma
B) To prevent clotting
C) To identify infections
D) To analyze cholesterol levels
C) To identify infections
What is the primary function of anticoagulants in blood collection tubes?
A) To stabilize blood samples
B) To promote clotting
C) To prevent blood from clotting
D) To enhance blood flow
C) To prevent blood from clotting
Which of the following should be done immediately after a venipuncture?
A) Label the specimen
B) Apply pressure to the site
4
|Question Bank with Verified Answers|
Solved 100%
What is the primary reason for performing a venipuncture?
A) To administer medication
B) To obtain blood for laboratory analysis
C) To test blood pressure
D) To perform a physical exam
B) To obtain blood for laboratory analysis
Which vein is typically the first choice for venipuncture?
A) Basilic vein
B) Cephalic vein
C) Median cubital vein
D) Jugular vein
C) Median cubital vein
What is the proper angle for needle insertion during venipuncture?
A) 45 to 60 degrees
B) 15 to 30 degrees
C) 10 to 15 degrees
1
,D) 30 to 45 degrees
B) 15 to 30 degrees
What is the purpose of using a tourniquet during venipuncture?
A) To clean the site
B) To help locate veins
C) To stabilize the needle
D) To prevent infection
B) To help locate veins
What should a phlebotomist do if a patient becomes faint during the blood draw?
A) Continue with the procedure
B) Call for assistance and remove the needle
C) Leave the patient alone
D) Ask the patient to take deep breaths
B) Call for assistance and remove the needle
Which blood collection tube is commonly used for a complete blood count (CBC)?
A) Red-top tube
B) Light blue-top tube
C) Lavender-top tube
D) Green-top tube
C) Lavender-top tube
2
,What does the term "hemolysis" refer to?
A) Clotting of blood
B) Rupture of red blood cells
C) Decreased white blood cells
D) Increase in blood volume
B) Rupture of red blood cells
What is the recommended maximum time a tourniquet should be applied?
A) 3 minutes
B) 1 minute
C) 2 minutes
D) 30 seconds
B) 1 minute
Which of the following is a common complication of venipuncture?
A) Hypotension
B) Phlebitis
C) Anemia
D) Edema
B) Phlebitis
What is the correct order of draw when collecting blood samples?
3
, A) Yellow, green, lavender, red
B) Blue, red, gold, green
C) Blue, red, lavender, gray
D) Green, lavender, gray, yellow
C) Blue, red, lavender, gray
What is the purpose of the blood culture tube?
A) To collect plasma
B) To prevent clotting
C) To identify infections
D) To analyze cholesterol levels
C) To identify infections
What is the primary function of anticoagulants in blood collection tubes?
A) To stabilize blood samples
B) To promote clotting
C) To prevent blood from clotting
D) To enhance blood flow
C) To prevent blood from clotting
Which of the following should be done immediately after a venipuncture?
A) Label the specimen
B) Apply pressure to the site
4
