week 4 theory

When a patient experiences polycythemia, the bone marrow is producing:

Too many red blood cells

Infectious mononucleosis is an illness caused by the ___ virus:

Epstein Barr

Which type of blood may be used for a hematocrit:

Capillary or venous

A decrease in the total number of red blood cells constitutes a type of:

Anemia

Phagocytosis of antigen-antibody complexes; killing of parasites

Eosinophils

Phagocytosis of microorganisms and cell debris

Monocytes

Regulation of immune response

T lymphocytes

Release of chemical mediators of immediate hypersensitivity

Basophils

A shorter needle with a thinner gauge, ranging from sizes 18-27

Butterfly Needle

Collection of blood just under the skin

Hematoma

Plastic test tube with a colored rubber stopper creating a vacuum seal inside the tube, facilitating the drawing of predetermined volume of liquid

Vacuum Tube

The breakdown of red blood cells

Hemolysis

An instrument that rotates at variable rates of speed to separate components of the blood

Centrifuge

How deep should the lancet penetrate the site when performing a capillary puncture?

Two mm

Which of the following blood components is responsible for delivering oxygen to cells and picking up carbon dioxide to be exhaled?"

Red blood cells

Which types of blood can be used for a hematocrit test?

Capillary or venous

When drawing venous blood using a vacuum tube, at what angle should the needle be inserted into the vein?"

15-30

Which of the following is least likely to be a symptom during the early stages of HIV infection?

Vomiting

What should be done when a lab result falls within the panic value range?

Inform provider of need for an immediate intervention

What is the normal ESR rate value for a female?"

0-20 mm/hr

What material is commonly used to make the most popular and cost-effective tourniquets?

Disposable latex-free

Blood collection tubes with which color stopper contain ethylenediaminetetraacetic acid (EDTA) and are typically used for CBC tests?

Lavender

What should be done if an accidental arterial puncture occurs during a venipuncture procedure?

Apply direct forceful pressure to the site.

Remove the needle.

Discontinue the venipuncture immediately.

All of the answers are correct. <

Which of the following is a common site for collecting a capillary blood sample?"

The great finger

When performing a venipuncture, when should you ask the patient to clench their fist?

only if the vein does not stand out