Guide Questions and answers
Which of the following urine specimens is used for testing sugar and
acetone? ✔✔double voided specimens
Which of the following is true of blood specimens collected via dermal
puncture in relation to those collected via venipuncture?
They have lower concentrations of glucose than do specimens collected
via venipuncture.
They have lower concentrations of protein than do specimens collected via
venipuncture.
They have higher concentrations of calcium than do specimens collected
via venipuncture.
They have higher concentrations of potassium than do specimens
collected via venipuncture. ✔✔They have lower concentrations of protein
than do specimens collected via venipuncture.
You are drawing a specimen which is to undergo chromosome screening.
Which color should the top of the tube be? ✔✔green
Which piece of electrical equipment will phlebotomists use most often?
✔✔centrifuge
,How long does it take for a minor latex allergy to manifest? ✔✔24-72 hours
How is clotted blood collected? ✔✔venipuncture
What is the grade of the filter paper used for blood spot collection primarily
used in the United States? ✔✔903
What type of processing problem is associated with changes in drawn
blood due to evaporation or dilution? ✔✔Concentration changes
Which of the following is an example of a waived test? ✔✔Urine pregnancy
test.
waived test(s) ✔✔Particular low-risk laboratory tests that Medicare permits
physicians to perform in their offices. Can be done at home like pregnancy
tests.
Most blood specimens are centrifuged at which of the following RCFs?
✔✔750-1000g.
f the following, which test is moderately affected by hemolysis? ✔✔serum
iron
Blood specimen samples that are grossly icteric or lipemic can do what?
✔✔Interfere with light transmittance on different coagulation instruments.
,icteric ✔✔pertaining to jaundice
lipemic ✔✔having a cloudy appearance due to excess lipid content
Which of the following is true about the skin method?
It involves draining at least 10 ounces of blood from the body.
It involves making an incision in the skin with a lancet.
It involves penetrating the skin with a needle.
It involves surgically opening arteries. ✔✔It involves making an incision in
the skin with a lancet.
Which of the following is true about samples done with blood spot collection
on filter paper?
Multiple assays can be done from one drop of whole blood.
Only one assay can be done from one drop of whole blood.
No assays can be done with only one drop of whole blood.
Assays are not reliable. ✔✔Multiple assays can be done from one drop of
whole blood.
Which of the following only uses the term decontamination rather than
neutralization? ✔✔OSHA
, When collecting urine for a woman, what area should be cleaned? ✔✔the
perineal area
perineal ✔✔region between the anus and external genitalia
How often are QC samples tested? ✔✔Daily
The lower portion of the heart tilts which direction? ✔✔to the left
Tubes should be checked for ________. ✔✔lot number and expiration date
All but which of the following are signs that your patient may be
experiencing syncope? ✔✔flushed skin
What does the blood in the body pick up from cells? ✔✔both carbon
dioxide and waste
potential complication of venipuncture in which the patient faints is known
as which of the following? ✔✔syncope
If you have performed venipuncture but no blood is flowing into the tube,
which of the following steps should you take first? ✔✔Replace the vacuum
tube