Anatomy and Physiology of the Circulatory System: Chapter 4 Exam

As you are puncturing the patient's arm in the location of the Basilic Vein, the patient cries out that this puncture hurts more than any they have ever had done. -What did you probably puncture? -What should you immediately do? -After you return to your work station what should be your next step?

- You most likely punctured or nicked a nerve. - You should immediately withdraw the needle to prevent further damage and pain to the patient. - You need to follow the laboratory policy that would include completing an incident report to document the patient concern. On this complete dates, times and patient information should be included. Go over the incident report with your supervisor in order to assure you have all the necessary information. If the patient does file an official complaint or a negligence complaint the information will be available.

The life span of the red blood cell is approximately:

120 days

The formed elements make up about ___ percent of the whole blood volume:

45

Instrument that spins and separates blood into layers depending on the weight of the layer; the heavier elements are pushed to the bottom due to centrifugal force.

Centrifuge

The next patient you are to collect blood from is in isolation because they just received a heart transplant. -What would you do different with this patient?

I would take extra precautions or minimize the risk of infections. Making sure all of my epuitement is sterile and following precautions.

Five components that are found in a CBC with diff are:

WBC, RBC, Hemoglobin, Hematocrit, Differential

You have tried without success to draw a blood sample from a patient in the antecubital fossa area of the patient's arm. The other arm sn in a cast. -What veins would you go to next to attempt to get a blood sample?

You would next go to the back of the hand veins. If there are no veins in this area, the wrist vein could be used. With the patient's physician permission, the foot or ankle vein could be used.

The portion of the arm that is in front of the bend of the elbow; the most prominent veins for venipuncture are located in this area.

antecubital fossa

You have tried without success to draw a blood sample from a patient in the antecubital fossa area of the patient's arm. The other arm in in a cast. What veins would you go to next to attempt to get a blood sample?

back of the hand veins

The function of the erythrocyte is to:

carry oxygen

The function of the leukocyte is:

fight infection

What is the substance in an erythrocyte that carries oxygen?

hemoglobin

_________consists of a buffy coat.

leukocytes and thrombocytes

When a patient has had a mastectomy, venipuncture should be avoided on the affected side because the:

patient is more susceptible to infection

The fluid portion of anticoagulated whole blood that contains fibrinogen is called the:

plasma

What is the difference between plasma and serum?

plasma contains fibrinogen; serum does not

Which cells contribute most to blood clotting?

platelets