#1
Why is it important to follow proper labeling procedures for specimens?
To ensure accurate patient identification
To prevent contamination
To meet regulatory requirements
All of the above
#2
What is the primary reason for using a tourniquet during venipuncture?
To improve patient comfort
To dilate the veins
To prevent blood clotting
To facilitate blood flow and aid in vein visualization
#3
Which of the following is a suitable antiseptic for cleaning the site before venipuncture?
70% isopropyl alcohol
Hydrogen peroxide
Bleach
Acetone
#4
Which of the following is a suitable method for collecting a urine sample for culture?
Collect urine midstream
Collect urine at the beginning of urination
Collect urine from a bedpan
Collect urine from a diaper
#5
What is the preferred specimen for diagnosing malaria?
Venous blood
Capillary blood
Urine
Saliva
#6
What is the recommended method for collecting a throat swab specimen for streptococcal culture?
Swabbing the tonsils
Gently swabbing the posterior pharynx and tonsillar area
Rubbing the tongue with a swab
Swabbing the uvula
#7
Which of the following tubes is used for collecting blood for a complete blood count (CBC)?
Lavender-top tube
Red-top tube
Green-top tube
Gray-top tube
#8
Which of the following specimens should be collected first during a multiple specimen collection process?
Blood cultures
Urinalysis
Venous blood for chemistry tests
Capillary blood for glucose testing
#9
Which of the following anticoagulants is commonly used for collecting blood samples for coagulation studies?
Heparin
EDTA
Sodium citrate
Sodium fluoride
#10
Which of the following specimens requires chilling during transportation?
Stool for culture
Urine for pregnancy testing
Serum for glucose testing
Sputum for acid-fast bacilli (AFB) testing
#11
Which of the following is a suitable preservative for stool specimens in parasitology testing?
Sodium citrate
Formalin
EDTA
Amies transport medium
#12
What is the appropriate action if a blood sample needs to be transported but cannot be delivered to the laboratory immediately?
Leave the sample at room temperature
Place the sample on ice packs
Centrifuge the sample
Freeze the sample
#13
Which of the following is a critical step in collecting a blood gas sample?
Filling the syringe completely with blood
Mixing the blood with anticoagulant
Removing air bubbles from the syringe
Exposing the sample to room air for at least 30 minutes