QA quiz 1

Question 1

What type of test is a urinalysis?

Answer 1

Screening test,

Question 2

When is a screening test most effective?

Answer 2

When results are confirmed with another test

Question 3

What can a urinalysis detect?

Answer 3

UTI, Renal disease, metabolic disorders

Question 4

what should be put on lab sample

Answer 4

name, date and time taken

Question 5

how much urin is required?

Answer 5

10-12 ml

Question 6

how long can urine be saved? 3

Answer 6

1 hr at room temp, 4-6 hours if refrigerated, 48 hour if preserved

Question 7

when should I use a clean catch?

Answer 7

if looking for bacteria, ie, uti

Question 8

what are the three parts of urinalysis procedure?

Answer 8

macroscopic observation, chemical tests (dip), compare, then maybe microscopic

Question 9

what will cause urine to be pale? 4

Answer 9

dilute, diabetes militus and insipidus, diuresis

Question 10

what will cause urine to be red? 3

Answer 10

blood, beets, porphyrinuria

Question 11

what will cause urine to be brown/black? 3

Answer 11

alkaptonuria, melanoma, Flagyl - an importaint drug to know

Question 12

what will cause urine to be amber? 2

Answer 12

hepatitus and bile pigments

Question 13

What will cause urine to be yellow/green?

Answer 13

bile pigments

Question 14

what will cause urine to be orange?

Answer 14

pyridium - OTC drug to reduce UTI pain

Question 15

Urine blue/green?

Answer 15

methylene blue for UTI pain

Question 16

bright yellow?

Answer 16

riboflavin, B

Question 17

what are the 10 tests of dip stick?

Answer 17

Ph, Protein, specific gravity, glucose, keytones, blood/hemi, bilirubin, uribilinogen, nitrites, WBC

Question 18

of the 10 tests, which 4 are uneffected by high vitamen C?

Answer 18

Ph, protein, specfic gravity and keytones

Question 19

What does high Vit C do to dip stick tests?

Answer 19

gives a false negative to all those effective except for WBC which is a false positive.

Question 20

Which tests get a false negative with vitamin C? 5

Answer 20

glucose, blood/hemi, biliruben, uribilrubinigen, nitrites

Question 21

which tests have no known false results? 2

Answer 21

specific gravity and pH

Question 22

What can cause a false positive for protein? 1

Answer 22

a high pH, basic around 8.5 can give a false positive for protein. So if super basic, watch out for this.

Question 23

what can cause a false positive for glucose? 1

Answer 23

phenylkeytones can cause a false positive, this is when you should have low glucose

Question 24

what gan give glucose a false negative? 4

Answer 24

Vitamin C, cephelosporins, keytone uria, low GFR so pay attention if kidney damage

Question 25

what can give blood in urine a flase neg? 1

Answer 25

Vitamin C

Question 26

what can cause false negative for keytones? 1

Answer 26

old urine, they evaporate or degrade out

Question 27

what can give blood a false positive? 1

Answer 27

myoglobinuria

Question 28

what would give bilirubin a false positive? 2

Answer 28

pyridium - OTC drug to reduce UTI pain, chlorpromazine

Question 29

what would give bilirubin a false negative? 1

Answer 29

vit C

Question 30

uribilinogen false negative? 3

Answer 30

light exposure, formaldehyde, antibiotics

Question 31

urobilinogen false positive? 3

Answer 31

phenylopyridine, AZO dies, PABA

Question 32

Nitrites false positive? 3

Answer 32

bacteria, because they produce nitrites, old sample that lets bacteria grow, Pyridium (OTC UTI pain reliever) beet pigment

Question 33

Nitrites false negative? 1

Answer 33

Vit c.

Question 34

WBC false neg? 1

Answer 34

unknown

Question 35

WBC false positive 4

Answer 35

Vit C, trichomonas, heavy mucus, vaginal contamination

Question 36

where do we assess vein for blood draw?

Answer 36

anticubital fossa, wrist, forearm, back of hand

Question 37

where do we put turniqueit?

Answer 37

2-3 inches above site

Question 38

what is the time limit for torniquite?

Answer 38

2 minutes

Question 39

what does vein feel like?

Answer 39

large and rubbery

Question 40

Why would it be difficult to find vein

Answer 40

dehydration

Question 41

how to make a vein easier to find?

Answer 41

well hydrated, heat, exercise, gravity.