AUBF LAB_Q1 Diana Core

Question 1

What is the most analyzed specimen in the laboratory?

Answer 1

Urine

Question 2

What is the primary inorganic component of urine?

Answer 2

Chlorine

Question 3

All specimens are considered as universal precautions except?

Answer 3

Sweat and urine

Question 4

What is the capacity of clear containers for urinalysis?

Answer 4

50ml

Question 5

Where is the urine usually transferred to, from the urine container to test for the dipstick?

Answer 5

Conical tube

Question 6

True or False: Urine is never colorless unless with medical condition or improper drug test collection.

Answer 6

True

Question 7

What should a label always be accompanied with?

Answer 7

Requisition form

Question 8

The integrity of the specimen is __ hours at __ temperature.

Answer 8

2; room

Question 9

What is the best way to preserve urine specimens?

Answer 9

Refrigerate

Question 10

The container should be filled up to at least __% of the cup.

Answer 10

90

Question 11

What is the required volume for a urine sample?

Answer 11

12ml (50 yung capacity ng container)

Question 12

If urine leukocyte is negative, but has high bacteria count, what does this indicate?

Answer 12

Delayed testing

Question 13

Increased/Decreased when delayed: Odor

Answer 13

Increased

Question 14

Increased/Decreased when delayed: turbidity

Answer 14

Increased

Question 15

Increased/Decreased when delayed: pH

Answer 15

Increased

Question 16

Increased/Decreased when delayed: nitrite

Answer 16

Increased

Question 17

Increased/Decreased when delayed: bacteria

Answer 17

Increased

Question 18

Increased/Decreased when delayed: glucose

Answer 18

Increased

Question 19

Increased/Decreased when delayed: ketones

Answer 19

Decreased

Question 20

Increased/Decreased when delayed: bilirubin

Answer 20

Decreased

Question 21

Increased/Decreased when delayed: urobilinogen

Answer 21

Decreased

Question 22

Increased/Decreased when delayed: RBCs WBCs

Answer 22

Decreased

Question 23

Increased/Decreased when delayed: casts

Answer 23

Decreased

Question 24

Formalin may be used only if you want to test ________ elements.

Answer 24

Formed

Question 25

What type of specimen is prone to contaminants and erroneous results?

Answer 25

Random specimen

Question 26

What is the most common type of specimen?

Answer 26

Random

Question 27

What is the ideal screening specimen?

Answer 27

First morning specimen

Question 28

What specimen is used for orthostatic protein and urine pregnancy test?

Answer 28

First morning specimen

Question 29

This type of specimen has more concentrated basal status.

Answer 29

First morning specimen

Question 30

In fasting specimen, the _____ specimen is voided, since it is metabolized.

Answer 30

Second

Question 31

What specimen is used for diabetes/glucose monitoring?

Answer 31

Fasting specimen

Question 32

In 2-hour post prandial specimen, the patient voids _____ eating routine meal.

Answer 32

Before

Question 33

What type of specimen is used for tests like Protein tests and GFR?

Answer 33

24-hour (timed) specimen

Question 34

How do you thoroughly mix a urine specimen?

Answer 34

Swirl

Question 35

Is a timed specimen a heterogenous or homogenous sample?

Answer 35

Heterogenous

Question 36

What is a less invasive type of specimen (than catheterized)?

Answer 36

Midstream clean catch

Question 37

In mid stream clean catch, the first stream is filled with __________ which should be voided first.

Answer 37

Normal flora

Question 38

What is the most invasive type of urine specimen?

Answer 38

Suprapubic aspiration

Question 39

What specimen is used for those with suspected prostate infection?

Answer 39

Prostatitis specimen

Question 40

In 3-glass collection of prostatitis specimen, which container (1/2/3) is used for chemical/quantitative test?

Answer 40

All (1,2,3)

Question 41

In 3-glass collection of prostatitis specimen, which container (1/2/3) is used for microscopy?

Answer 41

1 and 3

Question 42

In 3-glass collection of prostatitis specimen, if container 3 has higher WBC/hpf count than container 1, what does this indicate?

Answer 42

Prostatic infection

Question 43

In 3-glass collection of prostatitis specimen, which container (1/2/3) is used as control?

Answer 43

2

Question 44

In 3-glass collection of prostatitis specimen, if container 2 has tested positive, container 3 will be _______.

Answer 44

Invalidated

Question 45

In drug specimen collection, temperature must be taken within ___ minutes and ____C.

Answer 45

4; 32.5-37.7 (body temp)

Question 46

In physical examination of urine, you must observe _____, ______, and ______.

Answer 46

Color, clarity, and specific gravity

Question 47

What are the calibrators for refractometer?

Answer 47

Potassium sulfate, distilled water, 5% NaCl, 9% sucrose

Question 48

What type of results answers the question 'what is present'?

Answer 48

Qualitative

Question 49

What type of results answers the question 'how much is present'?

Answer 49

Quantitative

Question 50

Why are the reagent strip bottles black?

Answer 50

Some reagents are light sensitive

Question 51

True or False: The arrangement of the reagents in the reagent strips are always the same.

Answer 51

False

Question 52

In semiquantitative analysis of reagent strips, in the requisition form, results should be reported as ____, _____, or _____

Answer 52

Positive, negative, or trace

Question 53

For reagent strip test, what type of tube is used to observe color, clarity, and specific gravity?

Answer 53

Wasserman

Question 54

What reagent is first read in the urine dipstick?

Answer 54

Glucose (30 secs)

Question 55

What reagent is last read in the urine dipstick?

Answer 55

Leukocytes (2 mins)

Question 56

True or False: You can re-dip the urine strips in the same tube used.

Answer 56

False, it has reagents that could have possibly contaminated the sample. Use new

Question 57

What reagent is used to determine the acidity and basicity of the urine?

Answer 57

pH

Question 58

Urine is slightly ____ with a pH of _____

Answer 58

acidic; 4.5

Question 59

If urine becomes basic, it is probably?

Answer 59

panis / prolonged

Question 60

What is the principle of urine in the reagent strip reaction?

Answer 60

double indicator system

Question 61

What are the 2 indicators of pH in the reagent strip?

Answer 61

bromthymol blue and methyl red

Question 62

True or False: Glucose is not normally secreted.

Answer 62

True

Question 63

What is the principle of glucose in the reagent strip reaction?

Answer 63

double sequential enzyme reaction

Question 64

What are the 2 enzymes used in the glucose reaction?

Answer 64

glucose oxidase and peroxidase

Question 65

What is the indicator of glucose in reagent strip?

Answer 65

potassium iodide

Question 66

What does the principle of ketone in the reagent strip reaction use to measure ketones?

Answer 66

sodium nitroprusside

Question 67

What may a speckled appearance in the blood portion of the urine dipstick indicate?

Answer 67

A hemolyzed sample

Question 68

What is a photosensitive analyte?

Answer 68

Bilirubin

Question 69

What is an analyte based on diazo reaction?

Answer 69

Bilirubin

Question 70

What is the principle of urobilinogen reaction in reagent strip?

Answer 70

Ehrlich’s aldehyde reaction and azo-coupling (diazo) reaction

Question 71

What is an analyte in the reagent strip that usually tests positive in UTI?

Answer 71

Nitrite

Question 72

What is the principle of nitrite reaction in reagent strip?

Answer 72

Greiss reaction (nitrate to nitrite)

Question 73

What is the indicator of specific gravity in reagent strip?

Answer 73

Bromthymol blue