Quiz 2 Flashcards
The function of the left ventricle is to deliver
Oxygenated blood to the aorta
The receiving chambers of the heart are the
Atria
Which of the following represents the proper direction of blood flow?
from arterioles to capillaries to venules
How can you visually tell serum from plasma?
you cannot visually tell them apart
Hemostasis refers to
the stoppage of bleeding
Which test must be performed on whole blood?
CBC
Which is the best tube for collecting an ethanol specimen?
Sodium fluoride
Which needle gauge has the largest lumen?
18 gauge
A tube with a green stopper normally contains
heparin
The solution normally used to clean the site before routine venipuncture is
70% isopropyl alcohol
Which additive is usually present in a tube with a lavender stopper?
EDTA
You must draw a protime specimen from a patient with IVs in both arms, Which of the following is the best thing to do?
Draw below the IV
You have no choice but to draw a specimen from a site with a hematoma. Where should you obtain the specimen?
Distal to the hematoma
Prolonged tourniquet application may cause a change in blood composition primarily because of:
hemoconcentration
Tests influenced by diurnal variation are often ordered as ____ tests, and it is important to collect them as close as possible to the time ordered.
Timed
