#1
Which of the following tubes is commonly used for blood glucose testing?
Lavender top tube
Green top tube
Gray top tube
Red top tube
#2
Which needle gauge is commonly used for venipuncture in adults?
18 gauge
22 gauge
25 gauge
30 gauge
#3
What is the primary purpose of using a tourniquet during venipuncture?
To minimize the risk of infection
To increase blood flow to the site
To prevent the escape of blood from the puncture site
To visualize and access veins more easily
#4
What is the primary purpose of using a butterfly needle for venipuncture?
To collect larger blood volumes
To facilitate blood clotting
To access difficult veins with precision
To minimize contamination
#5
What is the primary purpose of using a lancet in capillary blood collection?
To apply pressure to the puncture site
To puncture a vein
To collect a small blood sample from the fingertip
To dilate blood vessels
#6
What is the primary purpose of using a sterile technique during specimen collection?
To minimize contamination of the sample
To increase the sample volume
To expedite the collection process
To enhance sample coloration
#7
Which anatomical site is commonly used for capillary blood collection in infants?
Dorsal side of the hand
Antecubital fossa
Femoral vein
External jugular vein
#8
What is the purpose of gently mixing a blood specimen after collection?
To prevent blood clotting
To activate clotting factors
To ensure proper mixing of anticoagulant
To increase the sample volume
#9
Which of the following is an appropriate step before collecting a sputum specimen for culture?
Provide the patient with a saline solution to gargle
Ask the patient to rinse the mouth with mouthwash
Instruct the patient to eat a heavy meal
Instruct the patient to cough deeply
#10
Which type of specimen is typically collected in a green top tube?
Serum
Plasma
Whole blood
Urine
#11
What is the purpose of using a tourniquet during venipuncture?
To increase blood pressure
To dilate blood vessels
To facilitate blood flow and make veins more visible
To prevent blood clotting
#12
Which of the following is a proper technique for collecting a urine specimen for culture and sensitivity testing?
Collecting the first voided morning specimen
Collecting a random sample at any time of the day
Collecting the sample after vigorous exercise
Collecting a midstream clean-catch specimen
#13
What is the recommended angle for inserting a needle during subcutaneous injections?
45 degrees
60 degrees
90 degrees
180 degrees
#14
In which situation is a blood gas sample typically collected?
Before a meal
After vigorous exercise
During a routine physical examination
During a state of rest and stable breathing
#15
What is the recommended technique for collecting a stool sample for ova and parasite testing?
Collecting the sample with bare hands
Using a wooden stick to transfer a portion into a container
Collecting the sample with a metal spoon
Collecting the entire stool specimen