Long exam 1 Flashcards

1
Q

The normal straw color of urine is largely due to the presence of

A

Urochrome

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2
Q

Emptying the bladder or urine voiding is otherwise known as

A

micturition

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3
Q

set of parts involved in urine formation is correctly sequenced?

A

glomerulus, proximal convoluted tubule, loop of Henle, collecting ducts, renal pelvis, ureter, urinary bladder, urethra

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4
Q

The procedure of wet urinalysis starts with the

A

sample identification

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5
Q

Amino acid disorders are characterized by the passage of urine with

A

characteristic odors

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6
Q

The presence of smoky urine is most likely indicative of

A

hematuria

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7
Q

One of the following is characterized by a turbid urine due to leakage of lymph:

A

chyluria

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8
Q

Brick dust refers to which of the following crystals?

A

amorphous urates

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9
Q

Gross examination of urine samples involve all of the following except

A

pH and specific gravity testing

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10
Q

The clearing of turbidity due to the addition of a dilute acid confirms the presence of

A

amorphous phosphates

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11
Q

The presence of casts in the urine is called

A

cylindruria

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12
Q

The purpose of collecting timed urine samples is for obtaining

A

higher concentration of a particular substance tested

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13
Q

Any transient increase in urinary volume is termed

A

diuresis

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14
Q

The most commonly encountered abnormal color of urine is

A

red-brown

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15
Q

The TS (Total Solids) meter or refractometer is used to measure

A

specific gravity

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16
Q

The presence of many mucus threads in the urine indicates

A

renal inflammatory episode

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17
Q

PKU or phenylketonuria is a disease characterized by the voiding of a

A

mousy-smelling urine

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18
Q

A reagent strip is sometimes referred to as the

A

dipstick

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19
Q

Regarded as the routine or basic urinalysis is the

A

wet urinalysis

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20
Q

Macroscopic examination of urine includes the following except

A

chemical testing using multistix

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21
Q

In the event that only one urine specimen is obtained, which correct sequence should be followed in wet urinalysis?

A

check for contamination - bacteriologic examination - glucose testing - examination for crystals and casts

22
Q

The patient’s degree of hydration and urine concentration can be estimated by examining

A

urine color

23
Q

Small cloudy patches in normal urine due to the presence of mucus is called

A

nubecula

24
Q

Which pigment causes the production of yellow foam ?

A

bilirubin

25
Q

Presence of intact red blood cells is called

A

hematuria

26
Q

Homogentisic acid forms brown-black urine upon long standing – a condition known as

A

alkaptonuria

27
Q

Which of these urinary constituents can be cleared through acidification?

A

amorphous phosphates

28
Q

The dye Oil Red O is used to demonstrate the presence of

A

lipiduria

29
Q

Excretion by an adult of more than 500 mL. of urine with a specific gravity of 1.018 at night is known as

A

nocturia

30
Q

Which of the following statements is not true?

A

Aside from urochrome, there are other pigments that give normal urine a yellow color.

31
Q

A urine sample with a specific gravity of 1.010 is described as

A

isosthenuric

32
Q

Which parameter cannot be measured using reagent strip technology?
A. specific gravity C. glucose
B. urinary pH D. osmolality

A

osmolality

33
Q

Sound wave frequency and falling drop method are performed to assess the urine

A

specific gravity

34
Q

The state of hydration of the patient can be assessed by all of the following except
A. urine osmolality C. urine specific gravity
B. urine volume and color D. urine pH

A

urine pH

35
Q

The presence of high amounts of indican will give a urine sample a

A

blue-green color

36
Q

The average adult on a normal diet produces a 24-hour urine with a pH of about

A

6.0

37
Q

At night, during the mild respiratory acidosis of sleep, a more acidic urine is formed. The acidity is largely due to the buildup of

A

carbon dioxide

38
Q

A diet high in meat and cranberries will

A

lower urinary pH

39
Q

The ill effects of salicylic acid poisoning would be aggravated by which of the following:
A. diet rich in meat
B. intake of sodium bicarbonate
C. diet high in citrus fruits
D. prohibition of acid phosphate ingestion

A

diet rich in meat

40
Q

In the tubular cells, the passing filtrate acquire hydrogen ions in exchange for

A

sodium ions

41
Q

Which pair of dipstick and its number of chemical parameters is incorrect?
A. Multistix 10 SG - 10
B. Uristix -2
C. Diastix – 2
D. Chemstrip G – 1

A

Diastix – 2

42
Q

The Uristix reagent strip can detect

A

Glucose and protein only

43
Q

The titratable acidity of a 24-hour urine collected in ice utilizes as titrant the

A

0.1N NaOH

44
Q

Bacterial growth in urine specimen is characterized by all of the following except
A. clouding that cannot be cleared by acidification
B. clouding that can be removed by paper filtration
C. marked alkaline shift to a pH > 8.0
D. marked unsuitability as sample for bacterial culture

A

clouding that can be removed by paper filtration

45
Q

The most accurate means of determining the pH of urine samples is the

A

pH meter with a glass electrode

46
Q

The protein uromucoid is secreted by the cells in the distal tubular cells and ascending loop of Henle. It is highly associated with cast formation. It is also referred to as the

A

Tamm-Horsfall glycoprotein

47
Q

The presence of Bence Jones protein the urine is suggestive of

A

Multiple myeloma

48
Q

A hazy urine with high protein content collected after a heavy exercise is an example of

A

Functional proteinuria

49
Q

To detect the kinds of protein in the urine, what is needed is

A

Electrophoresis

50
Q

The catabolic products derived from lipids which can become potentially toxic are the

A

ketone bodies