Clinical Procedures Final
Terms in this set (154)
Which of the following assists the physician in making a diagnosis?
Which of the following occurs when the body is in homeostasis?
Laboratory test results fall within normal range
Which of the following is an example of using a laboratory tests to regulate treatment?
A diabetic patient tests his or her blood to determine how much insulin to administer
What is the purpose of performing a routine test?
To assist in the early detection of disease
Which of the following is an example of using a laboratory tests to assist in the differential diagnosis of a patients condition?
Performing a strep test to determine if a patient has strep throat or pharyngitis
Which of the following is NOT found in laboratory directory?
Instructions for testing specimens
All of the following are included on a laboratory request form EXCEPT the:
Laboratory test results
What is a profile?
A number of laboratory tests providing related information
All of the following are included in a lipid profile EXCEPT:
All of the following are reasons for indicating the clinical diagnosis on the laboratory request form EXCEPT:
To inform laboratory personnel as to the source of the specimen
What is the purpose of a laboratory report?
To relay the results of laboratory tests to the physician
What is the purpose of the patient's accession number found on the laboratory report?
To provide identification of each specimen in the laboratory
The purpose of patient preparation for a laboratory test is to
Provide a specimen that yields accurate test results
A patient who is fasting is allowed to consume:
Which of the following laboratory tests require fasting?
Glucose tolerance test
Comprehensive metabolic profile
Antibiotics taken by the patient before the collection of a throat specimen for culture may result in:
A false negative report
A small sample taken from the body to represent the nature of the whole is known as:
If a laboratory report is returned to the medical office marked QNS, this means that:
An insufficient amount of the specimen was submitted
Why is it important to handle and store a specimen properly?
To maintain the in vivo qualities of the specimen
The purpose of the Clinical Library Improvement Amendment (CLIA) is to:
Improve the quality of laboratory testing
Which of the following is an example of a CLIA waived test?
Urine pregnancy testing
If a POL is performing moderate-complexity tests, CLIA requires:
All of the above
Which of the following is an advantage of using automated equiptment?
A specimen can be tested in a short time
The purpose of quality control is to:
Ensure accurate and valid test results
Which of the following is a quality control method?
Discarding outdated reagents
The study of blood and the blood-forming tissues is known as:
The detection of the presence of abnormal cells in known as:
Which of the following is a violation of laboratory safety precaution?
Opening a centrifuge before it comes to a complete stop
Antibiotic therapy administered before collection of a throat specimen may cause a:
When collecting a blood specimen using the vaccum tube method of venipuncture, venous refluc is prevented by:
Keeping the patients arm in a downward position
The purpose of applying a tourniquet when performing venipuncture is to:
Make the patient's veins more prominent
All of the following are correct techniques for applying a tourniquet EXCEPT:
Leaving the tourniquet on for atleast 2 minutes before drawing the specimen
Why should the veins of the hands be used as a venipuncture site only as a last resort
All of the above
Which of the following may occur if a tourniquet is applied too tightly?
All of the above
Which of the following antecubital veins is considered the best vein to use for a venipuncture?
Median cubital vein
Which of the following represents an ERROR in technique when selecting a vien for venipuncuncture
Using the thumb to papate the vein
On standing, a blood specimen to which an anticoagulant has been added separates into:
Plasma, buffy coat, and blood cells
How is serum obtained?
From clotted blood that has been centrifuged
Whole blood is obtained by:
Using a tube containing an anticoagulant
When performing a venipuncture, which of the following techniques represents a violation of the OSHA standard?
Removing the plastic holder from the needle for reuse
Which of the following gauge needles should be used to perform a venipuncture
The size of the evacuated tube you choose to obtain a venous blood specimen depends on the:
Amount of specimen required for the test
An evacuated glass tube with a lavender stopper contains:
An evacuated glass tube with a red stopper contains
What color stopper tube is used to collect a blood specimen for a prothrombin time test?
WHat color stopper tube is used to collect a blood speciment for most blood chemistry tests?
What may occur if an outdated evacuated tube is used to collect the blood specimen?
The tube may no longer have a vacuum
Which of the following indictates the correct order of draw for the vacuum tube method
Red, green, lavender, gray
Which of the following represents an ERROR in technique when working with evacuated tubes?
Shaking a tube containing an anticoagulant after drawing it
What may occur if an angle of less than 15 degrees is used to perform the venipuncture
The needle may enter the skin above the vein and not puncture it
What may occur if the needle is removed from the arm before removing the tourniquet
Bleeding may occur around the puncture site
Which of the following results in patient discomfort during the venipuncture procedure?
Moving the needle after it has been inserted into the vein
Which of the following is a disadvantage of using the syringe method?
The amount of blood specimen that can be collected is limited by the size of the syringe
Which of the following should NOT be used as a venipuncture site
An area that is painful
On palpation, a scarred vein feels
Stiff and hard
Which of the following techniques can be used to prevent a vein from rolling
Applying firm pressure below the vein
Which of the following veins is most likely to collapse when performing a venipuncture
If you suspect a vein selected for venipuncture might collapse, you should
Use the butterfly method to perform the venipuncture
During venipuncture, a sudden swelling occurs in the area around the puncture site. You should:
Immedietly remove the tourniquet and then the needle
Which of the following may result in hemolysis of the blood specimen
Using a needle with a small lumen to collect the specimen
Hemolysis of blood specimen results in:
Inaccurate test results
You are performing a venipuncture and the pt becomes dizzy and is about to faint. Your first priority in this situation should be to;
Protect the patient from injury
Which of the following is found in serum of the blood
Your physician has requested an electrolyte profile on a patient. The lab directory indicates this test requires 4 ml of serum. Which of the following test tubes should be used to collect the specimen?
A 10 ml red stoppered tube
After drawing blood for an electrolyte profile, the next step is to
Allow the specimen to stand in an upright position
If a fibrin clot formed in the serum later of blood specimen, it would:
Interfere with adequate serum collection
Which of the following sites can be used to make a skin puncture on an adult?
Lateral part of the third fingertip
What may occur if a finger puncture is made that is deeper than 3.1 mm?
Penetration of the bone
Which of the following represents an ERROR in technique when obtaining a capillary blood specimen?
Using the first drop of blood for the test
When performing a capillary puncture, the finger should NOT be squeezed to avoid:
Diluting the blood sample with tissue fluid
List order of draw
Red or Gold
Which of the following tests is NOT included in a CBC
The plasma functions in
All of the aboce
In an adult, red blood cells are formed in the red bone marrow of the
All of the above
A mature erythrocyte is
Biconcave in shape and does not contain a nucleus
What is the normal range for a red blood count for a woman
The function of hemoglobin is to
Transport oxygen to the body
Mr. Peterson as a hemoglobin reading of 16. This is considered
Within normal range
Mrs. Nelson has a white blood cell count of 14,500. This is considered
Above normal range
Leukocytes do their work in the
The movement of leukocytes through the pores of the capillaries is known as
Pus contains all of the following EXCEPT
What is the normal range for a platelet count for an adult
150,000 to 400,000
A low hemoglobin reading occurs with:
Mr. Johnson has a hemocrit reading of 60. This is considered
When using a microhematocrit centrifuge, the hematocrit test results should be read at the:
Top of the red cell collumn
Which of the following results in leukopenia
Which of the following is NOT a granular leukocyte
The nucleus of a neutrophil generally contains
Three to five lobes
An immature form of a neutophil is known as a
An increase in neotrophils occurs during:
An acute infection
The primary function of a neutrophil is to:
Engulf pathogens through phagocytosis
Which type of the following white blood cells has granules in the cytoplasm that stain a bright reddish orange?
Which is the largest of white blood cells?
Which of the following white blood cells has a light staining nucleus that is often masked by the presence of large dark staining granules
The results od a differential white blood cell count indictate that there are 45 neutrophils. This is
The results of a differential whilte blood cell count indicate that there are no basophils. This is consireered
An increase in eosinophils often occurs:
During an allergic reaction
An increase in lymphocytes occurs:
When a patient has infectious mononucleosis
Plasma makes up approximately 99& of the blood volume
The life span of a red blood cell is 120 days
Leukocytosis is an abnormal increase in the number of leukocutes
A low hemoglobin reading occurs with polycythemia
An increase in neutrophils occurs dring an acute infection
A function of plasma is to transport antibodies, enzymes, and hormones
The normal range for hemoglobin for an adult make is 12-16 g/dL
The normal adult rang for a whilte blood cell count is 4500 to 11000
bilirubin is an organce colored pigment that is produced through the breakdown of hemoglobin
the primary function of a neutophil is to form antibodies
What type of specimen is required for most blood chemistry tests?
The use of a standard to check the precision of a blood chemistry analyzer is known as:
The results of a high abnormal control fall:
Above the normal range
According to CLIA 1988 two levels of controls must be preformed on a blood chemistry analyzer
Which of the following is a characteristic of cholesterol
All of the above
Most of the cholesterol found in the blood comes from
The buildup of fatty deposists on the walls of arteries is known as
The primary use of the cholesterol test is to
Screen for the presence of coronary heart disease
All of the following contain cholesterol EXCEPT
Cholesterol is transported in the blood as a complex molecule known as a
The function of LDL is to
Carry cholesterol to the cells
Which of the following is considered a risk factor for coronary heart disease
HDL cholesterol level of 25 mg/dL
A total cholesterol reading of 250 is considered
Patient preperation instructions for a triglyceride test include:
Do not eat or drink for 12 hours before test
The BUN test is used toe
Detect kidney disease
The function of flucose in the body is to
Provide energy for the body
What is the term for glucose that is stored in the muscle and liver tissue for later use
What hormone is required for the normal usage of glucose in the body
Which of the following should be relayed to the patient regarding a fasting blood sugar
Do not consume food or fluid for 12 hrs before the test
What is the normal range for a fasting blood sugar
Which of the following is TRUE regarding a 2 hour postprandial glucose test
A blood specimen is collected 2 hours after the patient consumes 100 g of glucose
Which of the following is NOT a function of the glucose tolerance test
To monitor insulin dosage
All of the following are restrictions that must be followed by the patient during a glucose tolerance test except
No water consumption
Which of the following is a serious side effect of the glucose tolerance test
All of the above
What is the term used to describe na abnormally low level of glucose in the blood
What is the purpose of SMBG testing
All of the above
Prolonged high blood glucose levels can call all of the following conditions EXCEPT
Before meals, it is recommended that the blood glucose level for a diabetic patient fall between
The hemoglobin A1c test measures the:
Average amount of blood glucose over a 3 month period
The recommended A1c level for an individual with diabetes is
Less than 7%
What is the term for a substance that is capable of combining with an antigen?
Which of the following is an example of an antigen
All of the above
Which of the following is a screening test for syphilis
Which of the following tests is used to detect blood incompability problem with a mother and her unborn child?
Rh antibody titer
What is the name of the microorganism that causes infectious mononucleosis
Infectious mononucleosis is transmitted through
Salina and by direct oral contract
All of the following are symptoms of infection mononucleosis EXCEPT
Where are the blood antigens (A B Rh) located?
On the surface of red blood cells
Where are the blood antibodies located
In the plasma
Why is agglutination of blood a treat to life
The clumped red blood cells hemolyze
In vivo means
In the living body
What blood antibodies are present if an individual has type AB-negative blood
What is the normal fasting blood sugar range for normal adults
Blood glucose level for a diabetic one or two hours after meals
Blood glucose level for a diabetic at bedtime