Cardiovascular
Contraction of the heart
diastole
Which vein is most commonly used for venipuncture?
median cubital
Which of the following would require contact precautions?
TB/rubella/scarlet fever/scabies
scabies
Which specimen collection tube is commonly used for hematology tests?
purple/EDTA
The guaiac smear test and O&P analysis is performed on
stool
Relaxation of the heart
systole
Increased needle gauge (increases or decreases) the diameter of the needle
decreases
Which of the following would require airborne precautions?
hepatitis/rubella/rubeola/scabies
rubeola
Which specimen collection tube is commonly used for hemostasis (coagulation) tests?
blue/sodium citrate
In order for a donor to give blood, his or her hemoglobin value must be no less than:
12.5 g/dL
How many times a minute does an average heart beat?
60 - 80
For newborns, the penetration depth of safety lancets for blood collection must be
<2mm
Protective (reverse) isolation is commonly used for patients who have:
immunodeficiencies
Adding too much blood to a sodium citrate tube can cause:
falsely shorter clotting time
What is the minimum hematocrit value a blood donor must have to give a blood donation?
38%
How many lobes does the human right lung have?
3
Arteries differ from veins in this main way
arteries have a pulse
Nosocomial (health care-associated) infection occurs when:
the chain of infection is complete
What might happen if a blood specimen tube for hematology tests is filled correctly but not mixed long enough?
micro clots may form
Assays that require a chilled specimen include:
gastrin, ammonia, catecholamines, and lactic acid
What is the rationale for performing the Allen test?
to determine whether the radial and ulnar arteries are providing collateral circulation
During a typical venipuncture, the needle should be inserted at what angle to the skin?
<= 30 degrees
A urine C&S should be performed on a:
clean catch midstream sample
What might happen if a blood specimen tube for hematology tests is filled correctly but mixed too long or too vigorously?
hemolysis
Specimens that require protection from light include those for:
bilirubin and folate