MXT 2 EXAM 2

Question 1

a 24- hour urine specimen may be collected to

Answer 1

determine the cause of kidney stone formation

Question 2

a patient who is fasting( in preparation for a laboratory test) can consume

Answer 2

water

Question 3

a pH reading of 8 means that the urine specimen is

Answer 3

alkaline

Question 4

a small sample taken from the body to represent the nature of the whole is known as a

Answer 4

specimen

Question 5

a urinalysis may be performed for all of the following except to

Answer 5

treat a patient’s condition

Question 6

all of the following are advantages of the laboratory component of EHR program except

Answer 6

a type of tests required by the patient can be determined by the program

Question 7

all of the following are characteristics of a CUA waived tests except

Answer 7

they require the use of highly sophisticated automated equipment

Question 8

all of the following are examples of CLIA- waived test except

Answer 8

microscopic analysis of urine sediment

Question 9

all of the following are found in the laboratory directory except

Answer 9

instruction for testing specimens in the POL

Question 10

all of the following are guidelines for strong specimens and testing components in a labortory refrigerator except

Answer 10

check the temperature of the refrigerator once each week

Question 11

all of the following are guidlines for the collection of a test-catch urine specimen except

Answer 11

the patient should cleanse the general are before collection of the specimen

Question 12

all of the following are included in a lipid profile except

Answer 12

glucose

Question 13

all of the following are included on a laboratory request form except

Answer 13

laboratory test results

Question 14

all of the following are reasons for including the clinical diagnosis on the labortory request form except

Answer 14

to inform laboratory personnel of the source of the specimen

Question 15

all of the following may beed to be flushed out the eye using an emergency eye wash station except

Answer 15

eye discharge

Question 16

antibiotics taken by the patient before the collection of a throat specimen for culture may result in

Answer 16

a false negative report

Question 17

blood may normally be present in the urine because of

Answer 17

mensrtuation

Question 18

how are laboratory reports delivered to the medical office

Answer 18

all are correct

Question 19

how much urine does the normal adult excrete each day?

Answer 19

750 to 2000 mL

Question 20

how should urine reagent strips be stored?

Answer 20

all are correct

Question 21

if a freshly voided specimen is cloudy, it means that

Answer 21

a urinary tract infection may be present

Question 22

if a laboratory report is returned to the medical office marked QNS, it means that

Answer 22

an insufficient amount of specimen was submitted

Question 23

if a POL is performing moderate-complexity test, CLIA requires

Answer 23

all are correct

Question 24

if the internal control of the urine pregnancy test does not perform as expected, the test results are interpreted as

Answer 24

invalid

Question 25

most of the urine is composed of what substance

Answer 25

water

Question 26

polyuria may be caused by

Answer 26

all are correct

Question 27

the pH of most urine specimens is

Answer 27

acidic

Question 28

the presence of bile pigments in a urine specimen causes the specimen to be

Answer 28

yellow-brown

Question 29

the purpose of quality control is to

Answer 29

ensure accurate and valid test results

Question 30

the purpose of the clinical laboratory improvement amendment(CLIA) is to:

Answer 30

improve the quality of laboratory testing in the United States

Question 31

what effect does concentrated urine have on red blood cells?

Answer 31

it causes them to shrink and become crenated

Question 32

All of the following are characteristics of a CLIA waived test except

Answer 32

they require the use of highly sophisticated automated equipment

Question 33

what is a profile

Answer 33

a combination of laboratory tests for identifying a disease

Question 34

what is included in a complete urinalysis?

Answer 34

all are correct

Question 35

what is the name for a control that is built into the test system?

Answer 35

internal control

Question 36

what is the name of the hormone present only in the urine and blood of a pregnant women?

Answer 36

human chorionic gonadotropin

Question 37

what is the normal range for a specific gravity of urine?

Answer 37

1.003 to 1.030

Question 38

what is the purpose of a laborotory report?

Answer 38

to relay the results of laboratory tests to the provider

Question 39

what is the purpose of patient preparation for a laboratory test?

Answer 39

to provide a specimen that yields accurate test results

Question 40

what is the purpose of performing a routine test?

Answer 40

to assist in the early detection of disease

Question 41

what is the purpose of the patient accession number found on the laboratory report?

Answer 41

to provide identification of each specimen in the laboratory

Question 42

what is the term for a substance that is being identified or measured in a laboratory test?

Answer 42

analyte

Question 43

what is the term for a test result that includes whether a substance is present in the specimen being tested and provides an approximate indication of the amount of the substance present?

Answer 43

qualitative test result

Question 44

what is the term for the presence ketone bodies in the urine?

Answer 44

ketosis

Question 45

what occurs if a urine specimen is allowed to stand for more than 1 hour at room temperature?

Answer 45

it becomes cloudy

Question 46

what should be done if a control does not perform as expected?

Answer 46

do not perform patient testing until the problem is resolved

Question 47

what temperature is usually required for storing testing materials and performing laboratory tests?

Answer 47

room temp

Question 48

what type of results are produced by a high-level control?

Answer 48

results that fall above the reference range for the test

Question 49

what type of specimen should be used to test for the presence of nitrate in the urine?

Answer 49

first voided morning specimen

Question 50

when collecting a clean-catch midstream urine specimen, a front-to-back motion is used to cleanse the urinary meatus to

Answer 50

avoid drawing microorganisms from the anal region into the area being cleansed

Question 51

when collecting a clean-catch midsteam urine specimen, a small amount of urine is voided into the toilet obtaining the specimen to

Answer 51

flush microorganisms out of the distal urethra

Question 52

when performing a microscopic examination of urine, the presence of how many white blood cells/HPF is considered normal?

Answer 52

0 to 8

Question 53

where are urinary casts formed?

Answer 53

in the lumen of the nephron tubules

Question 54

which of the following assists the provider in making a diagnosis?

Answer 54

all are correct

Question 55

which of the following doers not result in oliguria?

Answer 55

edema

Question 56

which of the following is a violation of laboratory safety precautions?

Answer 56

opening the centrifuge before it comes to a complete stop

Question 57

which of the following is an example of a quantitative test result?

Answer 57

500mg/dL

Question 58

which of the following is an example of a unique identifier?

Answer 58

patients name and date of birth

Question 59

which of the following is an example of using a laboratory test to assist in the differential diagnosis of a patients condition?

Answer 59

performing a strep test to determine if a patient has strep throat or pharyngitis

Question 60

which of the following is an example of using a laboratory test to regulate treatment?

Answer 60

a diabetic patient tests his or her blood before administering insulin

Question 61

which of the following is included in a product inserting of a testing kit?

Answer 61

all are correct

Question 62

which of the following is usually found in the urine sediment of a patient with candidiasis?

Answer 62

yeast

Question 63

which of the following laboratory tests requires fasting?

Answer 63

all are correct

Question 64

which of the following may cause a control to fail to produce expected results?

Answer 64

all are correct

Question 65

which of the following normally contains microorganisms?

Answer 65

urinary meatus

Question 66

which of the following occurs when the body is in homeostasis?

Answer 66

laboratory tests results fall within the reference range

Question 67

which of the following represents an error in technique when performing a urine pregnancy test?

Answer 67

the specific gravity of the soecimen is 1.003

Question 68

which of the following represents an error in technique when testing a urine specimen with a reagent strip?

Answer 68

touching the reagent areas with the fingers

Question 69

which of the following substances is normally present in urine?

Answer 69

urea

Question 70

which of the following test results indicates a concentrated urine specimen?

Answer 70

specific gravity 1.025

Question 71

which of the following tests is performed on a first- catch urine specimen?

Answer 71

NAA test for chlamydia and gonorrhea

Question 72

which of the following tests require a clean-catch midstream specimen?

Answer 72

urine culture

Question 73

which of the following urine specimens contains the greatest concentration of dissolved substances?

Answer 73

first-voided morning specimen

Question 74

which of the following urine test may be positive when a patient has undiagnosed diabetes mellitus

Answer 74

glucose

Question 75

which of the following urine tests may be positive when a patient has hepititus

Answer 75

bilirubin