phlebotomy final

which anticoagulant prevents coagulation of blood by removing calcium through the formation of insoluble calcium salt

-EDTA -oxalate -citrate ALL THREE

when doing venipuncture on a child, whom should you talk to and explain the procedure to

-child -parent -both

a competency program should verify the competency of a phlebotomist is the area of

-customer service -safety -computer use -all of the above

under which of the following conditions would you avoid a site for venipuncture

-edematous arm -arm with IV -hematoma -ALL OF THE ABOVE

what can happen if you squeeze the patient's figure too vigorously during a capillary puncture

-the sample will be diluted with tissue -hemolysis can occur -both

citrate must be within __ % of full to give accurate results

10

10mL is the same as

10cc

the life span of the red blood cell is approximately

120 days

through which size of needle will blood flow the fastest

20

which bore (diameter) of the needle is the smallest

23-gaugeneedle

in performing an arterial puncture, you should puncture the artery using a

45-degree angle of insertion with the bevel of the needle facing the elbow

the average person can listen at the of approximately ____ words per minute, and can speak at the rate of ____ words per minute

500-600; 100-200

all of the following are vaccine-preventable diseases except

AIDS

the anticoagulant preferred for hematology testing is

EDTA

all of the following are components in the chain of infection except

HBV vaccine

which of the following is not classififed as personal protective equipment (PPE)

HBV vaccine

five components that are found in CBC with diff. are

WCB, RBC, hemoglobin, hematocrit, differential

what is the best sample for urine collection

a clean-catch midstream urine sample

glycolysis occurring in a tube of unseperated blood will cause

a decrease in serum glucose concentration

the phlebotomist who tends to smooth over a conflict is known as

accommodator

the most common source of laboratory error is

administrative

children understand illness in different ways. what age group might think that an illness is a punishment for being "bad"

ages 2-6

pathogens are transmitted on dust particles in the air currents

airborne precautions

to demonstrate competency, a phlebotomist must verify the ability to collect blood samples from what age group

all age groups

which blood vessels generally carry blood that is high in oxygen

arteries

you cannot perform a venipuncture successfully after two attempts. you should

ask another phlebotomist try

serum is described as icteric in the presence of increased

bilirubin, causing jaundice

a patient is having blood collected and asks the phlebotomist to have a copy of the results sent to a physician who was not listed on the requisition. what should the phlebotomist do

call the ordering physician to see if this is permissible

the function of the erythrocyte is to

carry oxygen

the process of producing energy by breaking down of complex compounds is

catabolism

what is the type of phlebotomy where phlebotomist is part of the laboratory team and is dispatched to the nursing units from the laboratory

centralized phlebotomy

which occurrence is not a cause of sample rejection

clot in a red, black, or gold top tube

if the blood is drawn to quickly fro a vein, the vein will have a tendency to

collapse

which of the following supports and connects organs and tissue

connective tissue

you receive an order to draw a STAT CBC. your responsibility is to

draw blood in a lavender tube and send it to the lab promptly

a patient comes to have a monthly Prothrombin time (PT) collected. you must use a butterfly system because of the patient's small veins. this is the only test you need to draw. what must you remember to do first

draw discard tube to remove air in the tubing

gloves should be worn

during all venipunctures and capillary punctures

the channel for transporting material in and out of the nucleus

endoplasmic reticulum

the tissue that protects the body by covering internal and external surfaces

epithelial tissue

which arteries are least suitable for drawing blood gases

femoral

the function of leukocyte

fight infection

when a patient refuses to have blood drawn, the phlebotomist should do all of the following EXCEPT

force the patient to have blood drawn

Standard Precautions state that if there is a possibility of coming into contact with a patient's blood or any othe body fluids, you must wear

gloves

the tricuspid and bicuspid valve are associated with the

heart

what can happen if the tourniquet is left on too long before drawing blood

hemoconcentration

an arterial puncture is more likely to result in a hematoma than a venipuncture is because of

higher pressure in the arteries

when drawing blood samples, which of the following should be performed first

identify the patient

what laboratory department tests a type and cross-match

immunohematology

warming the skin puncture site

increases the blood flow through the arterioles and capillaries sevenfold

the process in which oxygen-rich blood diffuses into tissue cells is

internal respiration

the glucose tolerance test

is performed to aid in the diagnosis of diabetes mellitus

unconscious posture, gestures, and facial expressions are known as

kinesics

to achieve quality customer service, the phlebotomist must meet what customer needs

know what the customers wants, determine the level of service received, and take action to satisfy the customer

a patient sitting in a chair has fainted. possible acceptable actions by the phlebotomist include all of the following EXCEPT

leaving a patients unattended

in what order should serum (SST) tube, a green tube, light blue tube and lavender tube be filled from a syringe

light blue, serum, green and lavender

serum is described as lipemic in the presence of increased

lipids in a nonfasting sample

hypoglycemia is a condition of

low blood sugar

a properly collected 24hr urine sample

may contain a chemical preservative

the process of making substances or breaking down substances so that the body can function is

metabolism

the system responsible for body movement is

muscle

eye contact is a method of ______ communication

nonverbal communication

what does NPO mean

nothing by mouth

the part of the cell that controls the activities o the cell (brain of the cell) is the

nucleus

what hospital department cares for patients with cancer

oncology

where in the hospital would you expect to find a patient with a broken bone

orthopedics

which laboratory employee has the most education and is usually a consultant to other physicians

pathologist

what is the best technique the phlebotomist can use for a safe and successful venipuncture

patience and understanding

what is the major drawback of a 24hr urine collection

patient cooperation is essential and is often hard to get

the most critical step in phlebotomy is

patient identification

when a patient has had a mastectomy venipuncture should be avoided on the affected side because the

patient is more susceptible to infection

a patients info that connected to their medical info is

personal health info (PHI)

the formed elements of blood found inside a tube drawn with an anticoagulant are

plasma, buffy coat, and erythrocytes

which cells contribute to blood clotting

platelets

a test performed after a meal is called

postprandial

the primary purpose of infection control is to

prevent the spread of communicable diseases within health care facilities

which does not carry oxygenated blood

pulmonary artery

blood flows from the right atrium into the right ventricle. from this point it is pumped through the

pulmonary artery to the lungs

the artery that lies on the thumb side of the wrist is the

radial

which two arteries are occluded when the Allen test is preformed

radial and ulnar

in general, a syringe is used when drawing specimens and/or patients ECXEPT

requests or multiple testing requiring anticoagulants and multiple tubes

which statement best summarizes the quality of blood samples

samples of low quality can produce inaccurate and potentially dangerous

an unexpected occurrence in the health care facility that involves death or serious injury is

sentinel event

which is referred to as the pacemaker of the heart

sinoatrial node

in a skin puncture procedure, hemolysis can occur from

squeezing the heel or figure to hard

a CBC is collected by figure stick from a patient. the results of the CBC show a lower WBC and platelet count than blood collected the previous day. what causes this change

the blood was collected too slowly and partially clotted in the collection container

which of the following is true about microcapillary collection

the first drop of blood should be wiped away

the patient's fasting glucose can be elevated if

the patient ate before having blood drawn

preexamination errors are variables that occur to a sample before the sample is tested. the type of error caused by the phlebotomist would be

the phlebotomist putting the incorrect name on the tube of blood

what is the function of the coronary arteries

the supply oxygenated blood to the heart muscles

which one is NOT a preexamination error

the technologist running the wrong test on a sample

which of the following is NOT a leukocyte

thrombocytes

glucose tolerance test and therapeutic drug monitoring tests have which of the following collection requirements in common

timed sample

what is the purpose of the bleeding time test

to assess platelet function

why is the first tube discarded when you are drawing from an indwelling line

to remove heparin or saline contamination

why must the first drop of blood from a capillary puncture be wiped away

to remove tissue fluid

the main function of the circulatory system is to provide

transportation

when blood is drawn to monitor the therapy of a specific antibiotic, the peak level is drawn 1hr after administrating the antibiotic. the term used to refer to the antibiotic level drawn right before the antiboitic is given is called the

trough level

an unconscious, unidentified man is admitted to an emergency trauma center. what would be the system of choice to ensure patient identification

use a three-part identification system that utilizes a temporary armband and labels for specimens and blood to be transfused

to fill an evacuated tube with blood from a syringe, the phlebotomist should

use a transfer device by removing the syringe needle after the safety shield has been engaged and then attaching the syringe to the transfer device for filling the evacuated tubes

what should you do if you accidently stick yourself with a contaminated needle

wash hands and clean and bandage the puncture site. record the patients name and ID number, report the incident to your supervisor and fill out an incident report