1
The detection of HCG in a patient sample is useful in the diagnosis of what condition?
pregnancy
Most specimens collected for therapeutic drug monitoring are collected in a tube with what color stopper?
RED
For which of the following cases would a capillary puncture be contraindicated?
Severely dehydrated patients.
Coumadin (warfarin) therapy can be monitored using which of the following tests?
PT
A test requisition lists the glucose specimen to be collected as a 2-hour postprandial. When should it be collected?
Two hours after the patient eats.
How should the tourniquet be applied to a geriatric patient?
looser than usual
What type of specimen is needed for a rapid strep test?
THROAT SWAB
Which of the following requires a sample of feces?
O&P
During an oral GTT, what is the patient allowed to consume?
WATER ONLY
How many times should tubes with additives be inverted after collection?
5-10 TIMES
Which of the following choices is inappropriate when collecting blood from a child?
Tell the child the procedure will not hurt.
When implementing Chain of Custody protocols, when does the chain begin?
When the patient is identified.
Patients must be instructed to abstain from ingesting meat and the drugs aspirin and vitamin C for 3 days for some brands of what type of fecal testing?
OCCULT BLOOD
How soon after collection must a urine sample be delivered to the laboratory?
WITHIN THE HOUR
A unique identifying number used for cataloging samples in the laboratory is referred to as what kind of number?
ACCESSION
What type of urine collection is best for pregnancy tests?
FIRST MORNING
What type of specimen is tested in the diagnosis of meningitis?
Cerebrospinal fluid (CSF).
How long should a heel warmer be applied to an infant’s heel?
3-5 MINUTES
Puncture of a bone during dermal puncture can result in what potentially serious and sometimes fatal bone infection?
Osteomyelitis.
A full-term newborn has a blood volume of 80 mL/kg of body weight. The infant weighs 3.2 kg. Your institution’s policy is that a maximum of 3% of a patient’s blood volume may be withdrawn without specific physician orders. How much blood can safely be withdrawn from the infant?
7.68 mL.
Which of the following is the appropriate site for dermal puncture on an infant’s foot?
Medial and lateral borders of plantar surface
An analyte needs to be protected from light, but you do not have any amber tubes. What is another way to protect the specimen?
Cover the specimen with aluminum foil.
Which of the following bones is close to the surface and at risk of being damaged during a heel puncture?
Calcaneus
Removal of greater than what percentage of a child’s blood volume can cause cardiac arrest?
10%
What is the approximate blood volume of an average 150-pound adult?
5 liters