BB: Ch 9 Phlebotomy Complications

Which of the following is another term for fainting?

A. fomite

B. lymphostasis

C. thrombi

D. syncope

syncope

If a patient begins to have a seizure during venipuncture, the phlebotomist should immediately:

A.

release the tourniquet

B.

hold pressure on the blood collection site

C.

run for a physician

D.

place the patient on the floor

release the tourniquet

Upon entering Ms. Newhouse’s hospital room, the phlebotomist introduced herself and explained she was going to collect blood for laboratory tests requested by the physician. The patient became very anxious and said she was frightened of needles; then she started sweating from being frightened of the procedure. This patient’s emotional stress could lead to a decrease in which of the following?

A. white blood cell count

B. serum iron level

C. albumin

D. glucose

serum iron level

Which of the following clinical laboratory departments usually use serum separator tubes for many of their blood collections?

A. transfusion medicine

B. clinical chemistry

C. clinical microbiology

D. urinalysis

clinical chemistry

Which of the following occurs as the result of inflammation and disease of the interstitial compartments?

A. sclerosed veins

B. syncope

C. hematoma

D. hemoconcentration

sclerosed veins

Blood collected for a patient's lithium level cannot be collected in a green-topped tube containing ________ heparin.

lithium

Which of the following has been shown to erroneously affect laboratory test results, leading to falsely elevated results?

A. smiling

B. syncope

C. violent crying

D. sneezing

violent crying

Which of the following analytes is significantly increased in the blood with changes in position?

A. cortisol

B. iron

C. glucose

D. testosterone

iron

A patient's stress/anxiety can affect the pre-examination phase of laboratory testing.

True

False

True

When blood is to be collected for a glucose tolerance test, the patient should fast for:

A. 3 to 5 hours

B. 6 to 8 hours

C. 8 to 12 hours

D. 12 to 14 hours

8 to 12 hours

A decrease in the plasma volume occurring with an increased concentration of cells and larger molecules such as cholesterol is referred to as:

A. hemoconcentration

B. hyperlipidemia

C. hemophilia

D. hemolysis

hemoconcentration

What additive destroys the enzymes in the blood when the gray-topped tube is used to collect blood?

A. sodium citrate

B. sodium fluoride

C. sodium heparin

D. lithium heparin

sodium fluoride

Plasma cholesterol will be falsely ________ if the tourniquet pressure is too tight or prolonged.

elevated

A basal state exists:

A. after the evening meal

B. in the early morning, 12 hours after the last ingestion of food

C. immediately before lunch

D. 3 hours after the ingestion of lunch

in the early morning, 12 hours after the last ingestion of food

When the phlebotomist collected blood from the patient, the patient was in a supine position, meaning the patient was:

A. sitting

B. stooping

C. standing

D. lying

lying

Hemolysis in collected blood can cause a falsely decreased value for:

A. hemoglobin

B. phosphorus

C. ammonia

D. total protein

hemoglobin

Which of the following should stop the health care worker from collecting blood from a patient’s arm vein?

A. cardiac bypass surgery

B. high blood pressure

C. mastectomy on the same side

D. heart attack that occurred the previous evening

mastectomy on the same side

When a patient is on IV therapy and the venipuncture must occur in the arm with the IV line, the:

A. nurse should hold the arm up with the IV line as the phlebotomist performs the venipuncture

B.

nurse should shut off the IV for 2 minutes prior to the venipuncture

C.

the tourniquet should be placed above the IV site

D. nurse should hold the arm completely down as the phlebotomist performs the venipuncture

nurse should shut off the IV for 2 minutes prior to the venipuncture

Which of the following laboratory test results is affected most if the patient is not fasting?

A. triglycerides

B. cortisol

C. ACTH

D. testosterone

triglycerides

An abnormal accumulation of fluid in the intercellular spaces of the body that is localized or diffused is referred to as:

A. hemoconcentration

B. atherosclerosis

C. hemolysis

D. edema

edema

A thrombus can occlude arteries, but not veins.

True

False

False

If the tourniquet is applied to the arm for longer than 2 minutes, which of the following analytes will most likely become falsely elevated?

A. potassium

B. blood urea nitrogen

C. uric acid

D. bilirubin

potassium

Which of the following analytes will be falsely increased when a sodium citrate blood collection tube is underfilled?

A. BUN

B. PT

C. creatinine

D. phosphorus

PT

When hemoglobin is released from RBCs and serum becomes tinged as pink or red, this condition is referred to as:

A. hyperlipidemia

B. hemolysis

C. hemoconcentration

D. hemophilia

hemolysis

Swelling in the area around a venipuncture site usually leads to:

A. lymphostasis

B. atherosclerosis

C. hematoma formation

D. petechiae formation

hematoma formation