Medical Assisting - Chapter 48
What wording should be imprinted on a box or bag containing bodily fluids? 1) "Contains glass" 2) "Human specimen" 3) "Fragile" 4) "Body fluids"
"Human specimen" "Body fluids"
The patient question medical assistants performing phlebotomy probably hear most often is 1) "Can I lie down?" 2) "Where is the doctor?" 3) "Will this hurt?" 4) "Can I chew gum?"
"Will this hurt?"
The incision depth for a capillary puncture in an adult is 1) 2.5 to 3.0 mm 2) 1.0 to 2.0 mm 3) 1.5 to 2.0 mm 4) 2.0 to 3.0 mm
2.0 to 3.0 mm
When using the needle and syringe system, it is best to use a needle no smaller than a 1) 21-gauge 2) 16-gauge 3) 23-gauge 4) 19-gauge
23-gauge
A spreader slide should be held at approximately a 1) 15 to 30-degree angle 2) 40 to 45-degree angle 3) 30 to 35-degree angle 4) 25 to 30-degree angle
30 to 35-degree angle
HgBA1c gives information over a period of 1) 30 to 40 days 2) 90 to 120 days 3) 3 to 6 months 4) 30 to 60 days
90 to 120 days
Most bruising is caused by 1) A hematoma 2) Platelets 3) Hemolysis 4) Leukocytosis
A hematoma
Microtainer tubes have differently colored tops, indicating the 1) Additive 2) Tests 3) Specimen 4) Volume
Additive
The butterfly system can be used with 1) An evacuated collection tube 2) A syringe 3) Intravenous injections 4) An injection
An evacuated collection tube A syringe
Which of the following patients is more likely to experience a fainting episode? 1) A lost patient 2) A healthy patient 3) An ill patient 4) A concerned patient
An ill patient
Which of the following causes blood to remain in a liquid, uncoagulated state? 1) Serum separator 2) Anticoagulant 3) Stain 4) Plasma
Anticoagulant
Which of the following chemicals would you encounter in a lab? 1) Anticoagulants 2) Autoclave 3) Stains 4) Serum separators
Anticoagulants Stains Serum separators
Match the key terms associated with collecting, processing, and testing blood specimens with their definitions.
Anticoagulants - Substances that prevent clotting Buffy coat - Layer between the packed red blood cell and plasma in a centrifuged sample Hematoma - Swelling caused by blood under the skin Hemolysis - Rupture of red blood cells, which releases hemoglobin
The first steps in preparing to draw blood for testing are to 1) Assemble the equipment and supplies 2) Call the physician to verify the orders 3) Review the written testing request 4) Count the blood vials
Assemble the equipment and supplies Review the written testing request
Which of the following are guidelines for performing an ESR? 1) Avoid bumping or vibrating the rack during the test 2) Carefully watch the time and read the results 3) Maintain the laboratory temperature at 82 degrees 4) Avoid introducing bubbles into the sample
Avoid bumping or vibrating the rack during the test. Carefully watch the time and read the results. Avoid introducing bubbles into the sample.
How should you explain the procedure to a patient when collecting a blood sample? Select all that apply. 1) Be brief 2) Be as detailed as possible 3) Speak in technical terms 4) Speak clearly
Be brief Speak clearly
Hematologic tests include 1) Blood cell counts 2) Morphologic studies 3) Serological studies 4) Coagulation studies
Blood cell counts Morphologic studies Coagulation studies
Which of the following tests for the presence of bacteria in the blood? 1) Blood cultures 2) Serological studies 3) Blood glucose tests 4) Electrolyte studies
Blood cultures
Testing of HgBA1c should always be done in conjunction with routine 1) Daily urinalysis 2) Serum levels 3) Daily meals 4) Blood glucose monitoring
Blood glucose monitoring
Which of the following items are needed for measuring hematocrit percentage using a centrifuge? 1) ESR rack 2) Gray top tube 3) Blood specimen 4) Centrifuge
Blood specimen Centrifuge
Serologic testing methods can be used to detect 1) Blood types 2) Hormones 3) Inflammation 4) Drugs
Blood types Hormones Drugs
Glucose monitoring systems require sterile lancets to perform a(n) _____________________ puncture. 1) Artery 2) Skin 3) Capillary 4) Vein
Capillary
Micropipettes are used to collect 1) Syringe blood 2) Capillary blood 3) Serous fluid 4) Urine
Capillary blood
Which of the following requires a superficial puncture of the skin with a sharp point? 1) Venisection 2) Blood smear 3) Capillary puncture 5) 19-gauge needle
Capillary puncture
The Vacutainer system consists of 1) A butterfly needle 2) Collection tubes 3) A plastic needle holder 4) A double-pointed needle
Collection tubes A plastic needle holder A double-pointed needle
Which of the following items are needed to perform a venipuncture using the VACUTAINER method? 1) Collection tubes 2) Safety needle 3) Syringe and needle 4) Needle holder
Collection tubes Safety needle Needle holder
A morphologic study examines a blood smear sample and records the appearance and shape of cells for abnormal 1) Color 2) Content 3) Size 4) Shape
Content Size Shape
Which of the following are signs of postvenipuncture infection? 1) Platelet plug 2) Drainage 3) Redness 4) Heat
Drainage Redness Heat
Reviewing a written test request and assembling the phlebotomy equipment and supplies are the first steps in preparing to 1) Draw blood 2) Give a TB test 3) Start an IV 4) Start medication
Draw blood
What is the main role of a phlebotomist? 1) Patient referrals 2) Drawing blood 3) Urine testing 4) Capillary testing
Drawing blood
Which of the following tests measures the rate at which red blood cells settle to the bottom of a blood sample? 1) C-reactive protein 2) Prothrombin time 3) Red blood cell count 4) Erythrocyte sedimentation rate
Erythrocyte sedimentation rate
Match the collecting, processing, and testing blood specimens key terms with their definitions.
Formed elements - Red blood cells, white blood cells, and platelets Lancet - Instrument used for capillary puncture Complete blood count - Red blood cell indices and count, white blood cell count, hematocrit, hemoglobin, platelets, and differential blood count Morphology - Study of the shape or form of objects
Before beginning a phlebotomy procedure, it is important to ask patients to state their 1) Full name 2) Place of birth 3) Address 4) Phone number
Full name
Which of the following are standard supplies for phlebotomy procedures? 1) Butterfly tubing 2) Gauze 3) Alcohol wipes 4) Adhesive bandages
Gauze Alcohol wipes Adhesive bandages
Which of the following personal protective equipment should medical assistants wear when working with blood specimens? 1) Gloves 2) Mask 3) Hair net 4) Goggles
Gloves Mask Goggles
Which of the following materials is needed to measure blood glucose? 1) Glucometer 2) Lancet 3) Reagent strips 4) Hemostat
Glucometer Lancet Reagent strips
Which of the following tests measures a patient's ability to metabolize carbohydrates and is used to detect hypoglycemia and diabetes mellitus? 1) Basic metabolic panel 2) Prothrombin time 3) Glucose tolerance test 4) Fasting blood sugar
Glucose tolerance test
The greatest fear of patients undergoing blood tests is contracting 1) Heart disease 2) HAV 3) HIV/AIDS 4) HBV
HIV/AIDS HBV
Which of the following identifies how much of a sample's volume is made up of RBCs after the sample has spun in a centrifuge? 1) Red blood cell count 2) Platelet count 3) Differential WBC count 4) Hematocrit determination
Hematocrit determination
Which of the following occurs when blood leaks out of a vein and collects under the skin? 1) Lysing 2) Dividing 3) Hematoma 4) Hemolysis
Hematoma
Which of the following are venipuncture complications? 1) Diarrhea 2) Hematoma 3) Infection 4) Light-headed
Hematoma Infection Light-headed
The handheld device that makes color evaluation less subjective than older methods of visually matching with color samples is called a 1) Sonicator 2) Microscope 3) Flame photometer 4) Hemoglobinometer
Hemoglobinometer
Which of the following is a disorder in which the blood does not coagulate at a wound or a puncture site? 1) Hematoma 2) Hemophilia 3) Hemolysis 4) Coagulation
Hemophilia
Which of the following additives would be found in a green-top tube? 1) EDTA 2) Heparin 3) Sodium citrate 4) SPS
Heparin
A glucose tolerance test is used to detect 1) Renal disease 2) Hypoglycemia 3) Diabetes mellitus 4) Liver disease
Hypoglycemia Diabetes mellitus
Which of the following is essential before starting a venipuncture? 1) Identify the patient 2) Identify the family 3) Call the lab 4) Notify the physician
Identify the patient
An ESR is a diagnostic tool for 1) Inflammatory disease 2) Cancer 3) Thyroid disease 4) Clotting abnormalities
Inflammatory disease Cancer Thyroid disease
Patients with Type I diabetes need to take 1) Insulin daily 2) Oral hypoglycemic medications daily 3) Heparin daily 4) Coumadin daily
Insulin daily
Select all that apply Which of the following are advantages of an evacuation system over other methods of blood collection? 1) It is easy to collect several samples from 1 venipuncture 2) It is good to use for small, fragile veins 3) The potential for specimen integrity is compromised 4) There is a reduced potential for exposure to contaminated blood
It is easy to collect several samples from 1 venipuncture. There is a reduced potential for exposure to contaminated blood.
Which of the following is a small, disposable instrument with a sharp point used to puncture the skin? 1) ETS needle 2) Syringe needle 3) Lancet 4) Hemostat
Lancet
A uric acid test checks for the presence of 1) Anemia 2) Leukemia 3) Gout 4) Diabetes
Leukemia Gout
A medical assistant drawing a coagulation study on a patient will use which color of tube? 1) Yellow 2) Green 3) Light blue 4) Royal blue
Light blue
When teaching a patient how to test their blood glucose at home, what should the medical assistant state is important to follow? 1) Additional resources 2) Manufacturer's guidelines 3) Self-monitoring complications 4) A diet
Manufacturer's guidelines
Which of the following are the most common sites for venipuncture? 1) Median cubital vein 2) Carotid artery 3) Basilic vein 4) Cephalic vein
Median cubital vein Cephalic vein
Who is responsible for collecting blood specimens from patients? 1) Medical assistant 2) Medical coder 3) File clerk 4) Referral assistant
Medical assistant
Which of the following is a small pipette that holds a small, precise volume of fluid? 1) Lancet 2) Culture bottle 3) Micropipette 4) Syringe
Micropipette
A small plastic tube with a wide-mouthed collector, similar to a funnel, that allows blood to flow quickly and freely into the tube, is called a(n) 1) Microtainer Tube 2) Micropipette Tube 3) Container Tube 4) Lancet Tube
Microtainer Tube
The _____ is the largest WBC and has a gray-blue cytoplasm when stained. 1) Basophil 2) Neutrophil 3) Monocyte 4) Eosinophil
Monocyte
The study of the shape or form of objects is 1) Morphology 2) Biology 3) Shapeology 4) Physiology
Morphology
The dark purple nucleus and pale pink cytoplasm containing fine pink or lavender granules are staining characteristics of 1) Eosinophils 2) Neutrophils 3) Monocytes 4) Basophils
Neutrophils
Capillary puncture on infants is usually performed on the 1) Outer edges of the heel 2) Plantar surface on the top of the heel 3) Big toe 4) Arch on the heel
Outer edges of the heel
The abbreviation for prostate-specific antigen is: 1) PTH 2) PSA 3) SPA 4) ASAP
PSA
Blood in a centrifuged microhematocrit tube is separated into 1) Packed red blood cells 2) Plasma 3) A buffy coat 4) Serum cells
Packed red blood cells Plasma A buffy coat
Coagulation studies include 1) Partial thromboplastin time 2) Platelet count 3) Erythrocyte sedimentation rate 4) Prothrombin time
Partial thromboplastin time Prothrombin time
All specimen-collection tubes should be labeled with the 1) Patient's name 2) Diagnosis of the patient 3) Date of collection 4) Time of collection
Patient's name Date of collection Time of collection
Medical assistants teach patients and their families how to manage diabetes, including 1) Performing the blood glucose test 2) Forming new work habits 3) Accessing additional resources 4) Managing diet and exercise
Performing the blood glucose test Accessing additional resources Managing diet and exercise
Inserting a needle or a cannula into a vein for the purpose of withdrawing blood is known as a ______. 1) Dissection 2) Biopsy 3) Phlebotomy 4) Lobectomy
Phlebotomy
Whole blood contains which of the following? 1) Plasma 2) Buffy coat 3) Formed elements 4) Chemistry
Plasma Formed elements
Formed elements consist of 1) Platelets 2) WBCs 3) Plasma 4) RBCs
Platelets WBCs RBCs
Hemoglobin resides within 1) Plasma 2) WBCs 3) RBCs 4) The buffy coat
RBCs
Which of the following materials are needed for a capillary puncture? 1) Needle holder 2) Reagent strips 3) Lancet 4) Smear slides
Reagent strips Lancet Smear slides
Capillary puncture in adults and children is usually performed on the 1) Index finger 2) Thumb 3) Ring finger 4) Middle finger
Ring finger Middle finger
The introduction of an antigen or antibody into a specimen and the detection of a specific reaction to the antigen or antibody is called a(n) 1) Serologic test 2) Hematologic test 3) Coagulation study 4) Immunoassay
Serologic test Immunoassay
To determine the presence of antibodies associated with infectious mononucleosis, which of the following blood products can be used? 1) Serum 2) Plasma 3) Whole blood 4) Platelets
Serum Plasma Whole blood
An erythrocyte sedimentation rate checks for 1) Sickle cell anemia 2) Electrolyte balance 3) Malignant neoplasms 4) Inflammation
Sickle cell anemia Malignant neoplasms Inflammation
Which of the following should be labeled with the patient's name, the date and time of collection, and the initials of the person collecting the specimen? 1) Slides 2) EOB 3) Specimen-collection tubes 4) Patient medical charts
Slides Specimen-collection tubes
Medical assistants must not downplay the importance of following 1) Carelessness 2) Patients' orders 3) Standard Precautions 4) Unreadiness
Standard Precautions
Which of the following skin organisms can cause a false-positive blood culture test? 1) H. pylori 2) Streptococcus 3) E. coli 4) Staphyloccus
Streptococcus Staphyloccus
Venipuncture requires puncturing a vein with a needle and collecting blood into a 1) Catheter 2) Syringe 3) Tube 4) Bowl
Syringe Tube
Some patients become very anxious before a blood draw; medical assistants can help put them at ease by telling them to 1) Text friends and family members 2) Offer anti-anxiety medication 3) Take a deep breath and let it out slowly 4) Focus on something else in the room
Take a deep breath and let it out slowly Focus on something else in the room
Which of the following can be done to keep a patient from fainting during a blood draw? 1) Talking to the patient 2) Having the patient lie down 3) Having the patient stand up 4) Having the patient sit on the exam table
Talking to the patient Having the patient lie down
Which of the following are reasons to use a needle and syringe system when drawing blood? 1) The patient is difficult to stick 2) The patient has small or fragile veins 3) It is necessary to control the vacuum 4) The patient has good veins
The patient is difficult to stick. The patient has small or fragile veins. It is necessary to control the vacuum.
Why should you explain the procedure to obtain a blood specimen for testing, in briefly and clearly? 1) The patient may run away 2) The patient may pass out 3) The patient may become queasy 4) The patient doesn't care how it is explained
The patient may become queasy
Capillary blood is usually collected from ______. 1) The underside of the heel in adults 2) The middle finger or the ring finger in infants 3) The underside of the heel in infants 4) The middle finger or the ring finger in adults
The underside of the heel in infants The middle finger or the ring finger in adults
Why must microhematocrit tubes be processed in pairs? 1) To get more practice 2) To ensure there is enough blood 3) To keep things even 4) To balance the centrifuge
To balance the centrifuge
What is the purpose of performing a rapid infectious mononucleosis test? 1) To determine the presence of antibodies associated with infectious mononucleosis 2) To meet office quota 3) To upcode the patient 4) To perform the required quality control on the equipment
To determine the presence of antibodies associated with infectious mononucleosis
What is the rationale for performing a required quality control procedure on the glucometer? 1) To reassure the patient 2) To ensure the machine is working 3) To ensure the reagent strips are outdated 4) To code the machine for billing purposes
To ensure the machine is working
Why would a physician order coagulation tests? 1) To check the patient's renal function 2) To identify potential bleeding problems before surgery 3) To detect heart abnormalities, particularly a heart murmur 4) To monitor therapeutic drug levels when a patient is taking heparin
To identify potential bleeding problems before surgery To monitor therapeutic drug levels when a patient is taking heparin
What is the reason for warming a patient's hand before performing a capillary puncture? 1) To make the patient comfortable 2) To stop blood flow 3) To improve circulation 4) To make the patient feel uncomfortable
To improve circulation
What is the reason for using a tourniquet? 1) To make the veins stand out 2) To stop blood flow 3) To practice 4) To make the patient uncomfortable
To make the veins stand out
Several automated devices can be used for metabolic chemistry testing both in POLs and at home. These analyzers test a variety of blood chemicals, including 1) Triglycerides 2) HDL 3) Total protein 4) Glucose
Triglycerides HDL Glucose
Women who have had gestational diabetes have an increased risk of developing 1) Shingles 2) Ovarian cysts 3) Type I diabetes 4) Type II diabetes
Type II diabetes
Patients who have hemophilia or are taking blood-thinning medications are at risk for 1) Uncontrolled bleeding 2) Infection 3) Reserved bleeding 4) Weeping
Uncontrolled bleeding
When performing an ESR, medical assistants must follow guidelines to ensure the test's 1) Weakness 2) Theory 3) Ineffectiveness 4) Validity
Validity
The puncture of a vein is known as 1) Immunization 2) Venipuncture 3) Lancing 4) Probing
Venipuncture
What does the buffy coat contain? 1) WBCs 2) RBCs 3) Plasma 4) Platelets 5) Hemoglobin
WBCs Platelets
Medical assistants are responsible for collecting blood specimens from patients and sometimes for performing 1) Biopsies 2) Waived testing 3) High-complexity testing 4) Surgeries
Waived testing
The total number of WBCs in a sample is known as a 1) Differential WBC count 2) Platelet count 3) White blood cell count 4) Hemoglobin determination
White blood cell count
Hematologic tests can be performed on venous or capillary 1) Plasma samples 2) Whole blood samples 3) Serum samples 4) Fetal serum
Whole blood samples
The butterfly system is also known as the 1) Allergen test 2) VACUTAINER system 3) Syringe-needle system 4) Winged-infusion set
Winged-infusion set
Which materials are needed to prepare a blood slide? 1) Wooden applicator 2) Slide with a frosted end 3) Capillary tubes 4) Microhematocrit tube
Wooden applicator Slide with a frosted end Capillary tubes
The abbreviation for differential blood cell count is 1) ct. 2) cc. 3) diff. 4) bcc.
diff
