Which of the following may be present in a collection tube but in most cases does not change the qualities of the blood itself?

(A) Calcium-binding anticoagulants

(B) Thrombin-inhibiting anticoagulants

A patient has just received a medication intravenously. Her doctor has ordered that her peak medication level be checked. When is the doctor most likely to indicate blood should be drawn to check the level?

(C) Right before she receives the next infusion

A large group of patients checks in first thing in the morning for routine blood tests. When the last patient in this group is seen by a phlebotomist at 8:30 a.m. she reports that she last ate at 5:00 p.m. the previous day. Which of the following is true?

(C) The patient should be sent home and asked to return the next day.

(A) There is no concern that the length of the patient’s fast will affect any analytes.

(B) There is a chance that the length of the patient’s fast will affect some analytes.

(D) The phlebotomist should tell the patient she should have eaten dinner later.

Which of the following might be used to confirm the identity of a patient who is unable to speak?

(B) A family member at the patient’s bedside who states and spells his name

(A) A name tag on the patient’s door

(C) A roommate who nods when asked if the patient’s name is the name on the requisition form

(D) A chart on the patient’s bedside table

Jostling or rough handling of collection tubes

(C) Can damage cells in a specimen

(A) Does not create any problems in specimens

(B) Ensures that specimens are mixed thoroughly with additives

(D) Is sometimes allowable, depending on the test that will be performed

Capillary collection will not yield a large enough specimen for which of these tests?

(C) Erythrocyte sedimentation rate

Why is the index finger not used for capillary collection?

(C) Because it is usually calloused

(A) Because the bone is too close to the skin

(B) Because it is too easy to strike an artery

(D) Because it has fewer capillaries than other fingers

Where on the finger should capillary puncture be performed?

(B) Toward the top of the finger, on the fleshy part to either side

(C) In the center of the fleshy pad

(D) On the joint just above the hand

Which of the following is true regarding lancet selection?

(C) The best lancet to use is the smallest one that will produce adequate blood flow

A) It is best to use the highest-flow lancet available to ensure getting enough blood every time

(B) Any lancet can be used on any patient

(D) It is best to start with the smallest lancet available and perform a second puncture if it does not produce enough flow

The first drop of blood from a finger stick should be wiped away

(C) Only the patient’s blood is not flowing well

(D) Only if the patient’s blood is flowing quickly

Which of the following is true?

(B) Infants held by a parent during a heel stick collection may experience less pain.

(A) Parents are never allowed to stay in the room while heel stick collections are performed on infants.

(C) Infants tolerate heel stick procedures better if a parent is not present.

(D) Infants do not experience pain when heel stick procedures are performed.

Why is newborn metabolic screening performed?

(B) Because these illnesses can be treated successfully in infancy

(A) Because it is harder to collect blood from older children

(C) Because parents are unlikely to bring children back for the tests when they are older

(D) Because these illnesses do not occur later in life

What common laboratory equipment can be used to create a peripheral blood smear?

(A) Butterfly assemblies and tube holders

When should a MA/Tech conducting point-of-care PT/INR testing make recommendations regarding a patient’s warfarin dose?

(D) This is beyond their scope of practice

(A) After checking the information on a reputable website

(B) After confirming it with a colleague

(C) Only if they have personal experience taking warfarin and monitoring PT/INR

Phlebotomy Ch.8/10 Quiz

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