#1
Which of the following is not a suitable specimen for urine culture?
Midstream urine
First morning urine
Random urine
Urine collected after meals
#2
Which of the following is a suitable specimen for testing for Helicobacter pylori?
Blood
Urine
Feces
Cerebrospinal fluid
#3
Which of the following is an appropriate method for collecting a urine specimen for drug testing?
Collecting the first urine of the day
Collecting urine in a non-sterile container
Mixing urine from different times of the day
Using a preservative-free container
#4
Which of the following is the preferred site for venipuncture to collect blood for a complete blood count (CBC)?
Femoral vein
Radial artery
Dorsal hand vein
Median cubital vein
#5
Which of the following is a suitable specimen for testing for HIV?
Urine
Saliva
Sweat
Cerebrospinal fluid
#6
What is the recommended anticoagulant for blood specimen collection for complete blood count (CBC)?
EDTA (Ethylenediaminetetraacetic acid)
Heparin
Sodium citrate
Sodium fluoride
#7
Which of the following is a critical step in collecting a throat swab for culture?
Using a wooden swab
Avoiding touching the tongue or buccal mucosa
Collecting the swab after the patient has eaten
Using a dry swab
#8
What is the primary purpose of collecting a stool sample?
To measure blood sugar levels
To detect parasites or bacterial infections
To assess liver function
To diagnose respiratory diseases
#9
Which of the following is a critical factor in maintaining the integrity of a blood culture specimen?
Collecting the specimen in a sterile container
Exposing the specimen to light during transportation
Delaying transportation of the specimen
Keeping the specimen at room temperature
#10
What is the recommended storage temperature for a stool specimen before testing for ova and parasites?
Room temperature
Frozen
Refrigerated
Heated
#11
Which of the following specimens is collected by a lumbar puncture?
Blood
Urine
Cerebrospinal fluid
Sputum
#12
What does the term 'chain of custody' refer to in specimen collection?
Ensuring the specimen is transported securely
Maintaining a record of everyone who handled the specimen
Keeping the specimen refrigerated until testing
Securing the specimen with a seal
#13
In which situation is a sputum specimen typically collected?
For routine blood tests
To diagnose urinary tract infections
To assess lung infections or diseases
For lipid profile analysis
#14
What is the recommended technique for collecting a wound culture specimen?
Collecting from the surrounding healthy tissue
Using a swab moistened with saline
Exposing the wound to air before collecting
Collecting after applying antiseptic
#15
Which of the following specimens is typically collected for tuberculosis (TB) testing?
Urine
Cerebrospinal fluid
Sputum
Nasal swab
#16
What is the primary reason for proper labeling of specimens?
To ensure specimens are visually appealing
To facilitate efficient transportation
To provide information about the patient's diagnosis
To prevent errors and ensure accurate identification
#17
Which of the following is a common preservative used for urine specimens in toxicology testing?
EDTA
Sodium citrate
Boric acid
Sodium fluoride