OOD
What comes first in the ood
blood cultures
list the 3 layers of the heart
myocardium, epicardium, endocardium
-rrhagia
flowing profusely
What electrical event corresponds to ventricular depolarization?
qrs complex
what do you always do first before preforming a phlebotomy procedure
A red-top tube is typically used for which test?
Blood pregnancy and hepatic panel
list the 4 chambers of the heart
right atrium, right ventricle, left atrium, left ventricle
-rrhaphy
repairing
Relaxation or diastole of cardiac muscle corresponds to which electrical process?
repolarization
What is the recommended disinfectant to clean up blood or other bodily fluid contamination?
household bleach
What is the proper blood-to-additive ratio for a Light Blue (sodium citrate) tube?
9:1
flow through the right side of the heart
right atrium-right ventricle-pulmonary artery-lungs
-rrhexis
break
During which phase of the cardiac cycle do the coronary arteries fill with blood?
early diastole
what is the gauge size of a butterfly needle, and for a straight stick
23 g, 21 g
what is the correct order of tubes when a phlebotomist has a blood cultures tube, light blue, lavender, light green and tiger top
blood cultures, discard tube, light blue, tiger top, light green and lavender
flow through the left side of the heart
left atrium-left ventricle-aorta-body
AIDS
auto immune deficiency syndrome
Impulses are generated and transmitted when positively charged ions move inside the cell, causing the interior to become positively charged during which process?
during depolarization
Which vein is the first choice for a routine venipuncture?
median cubital
list the complete ood, additives, department and inversion
blood cultures has sps and goes to microbiology inverts no times, clear tube has none, light blue has sodium citrate and goes to coagulation and inverts 3-4 times, red has glass first and plastic second and plastic has silica coating, goes to chemistry and inverts 5 times, red/gray has thixotropic gel and goes to chemistry and inverts 5 times, green light green has lithium heparin and comes first then dark green and it has sodium heparin and inverts 8 times and goes to chemistry, lavender has EDTA and goes to hematology and inverts 8 times, pink has EDTA and goes to paternity inverts 8 times, royal blue has EDTA and goes to toxicology and inverts 8 times, tan has edta and goes to chemistry and inverts 8 times, gray has sodium fluoride or potassium oxalate and goes to chemistry/ blood alcohol testing and inverts 8-10 times
list the blood flow through the heart
body-superior and inferior vena cava-right atrium-tricuspid valve-right ventricle-pulmonary valve-pulmonary artery-lungs-pulmonary veins-left atrium-mitral valve-left ventricle-aortic valve-aorta-body
AROM
active range of motion
What does the U wave represent when visible on an ECG trace?
Repolarization of the Purkinje fibers
What condition can be caused by leaving a tourniquet on the arm for longer than 1 minute?
Hemoconcentration