nha practice Flashcards
how long should a tech wait after patient has received oral medication to draw for a peak level blood draw
1-2 hours; ensure meds are not a toxic level
how big is the needle for donating blood
16-18 gauge
when should you replace the sharps container
80% full; 2/3rds full
what should you have the patient do when you’re having trouble locating the veins
dangle arm for 1-2 mins
what should you do when you find bruising/ sore/ anything that could cause discomfort on the arm where the tourniquet should be?
tourniquet over sleeve; ideally if patient has long sleeves always put tourniquet over sleeves
patient procedure of collecting semen specimen
collect in sterile container, keep warm, and deliver token within one hour
what actions should you take to locate vein using the warming technique
encase warm towel in plastic bag; to keep patient skin dry and maintain towel temp
what tube is used for a PT/PTT test
light blue; sodium citrate; anticoagulant
erythrocyte sedimentation rate test is collected in what tube
lavender; hematology
when collecting a vancomycin peak level for an inpatient patient, who do talk to about medication schedule
attending nurses;
how do you collect a sputum sample
asap in morning; no rinsing mouth, eating or drinking
what additive is used to collect blood specimen for CBC
EDTA; lavender tube; hematology
why should a tech centrifuge a serum specimen before transport to outside reference lab
cells must be separated from serum
thrombin is used to help accelerate clotting for what specimens
serum
what tube is used for testing thyroid studies
speckled; tiger top; gold
ammonia specimen needs to be immediately placed in
ice water slurry; shows down metabolic process and protects analytes
what tube do you collect blood in for determining patients sodium level
green; heparin aids in determining sodium levels
what PPE should you use when collecting from a patient with scabies
gown and gloves; contact precautions
when collecting for a urine culture, what type of collection is best
clean catch midstream; reduces bacteria for testing
what test is affected when using povidone iodine to clean for dermal puncture
potassium; can cause false elevations
what tube/ additive do you use when performing chromosome analysis test
heparin; green; anticoagulant producing plasma specimen for chromosome analysis
what is included in workflow pathway
entering critical lab data
when should you collect blood for a trough level test
15-30 mins before the next medication dose
when a patient is brought in unconscious, what type of consent is it
implied consent;
how should specimen be shipped in hot weather
in a box with cold packs and biohazard label
chemical name for chlorine bleach
sodium hypochlorite
when collecting for a blood assay, what tube do you fill up first
yellow- decreases probability of bacterial contamination
when using an evacuated tube system
needle 30° angle in direction of vein with bevel up
what can cause a grossly hemolyzed specimen
incorrect needle gauge
what is a potential consequence of mislabeling a blood bank specimen
transfusion reaction
when transporting a semen sample, the sample should be at what temperature
36-38° C (98.6°F)
a tech is collecting a unit of blood from a donor. what should the tech tell the donor to do during the procedure
instruct donor to open and close hand gently throughout collection
when performing a chromosome analysis test for a patient what additive is needed for the tube
heparin (green)
what temperature should blood be stored at
2-8°C (35.6- 46.4° F)
what color tune does a lactic acid test belong to
a gray tube top
after using syringe method to collect a blood culture from an adult patient, what actions do you take after collecting
withdraw blood into sterile safety syringe
what is the normal range for troponin T levels
0-0.2 ng/ml
where should you place the blood on a peripheral blood smear
1 mm drop of blood one half inch from edge of slide
what additive is needed in tubes when collecting serum
thrombin
why is the order of draw different for capillary collections
increased rate of coagulation
