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UA Review

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The presence of "orange sand" in an infant's diaper is indicative of:
a. cystinuria
b. bilirubinuria
c. maple syrup urine disease
d. Lesch-Nyhan disease
d. Lesch-Nyhan disease
The nephrotic syndrome frequently occurs as a complication of:
a. systemic shock
b. upper respiratory infection
c. systemic lupus erythematosus
d. vasculitis
a. systemic shock
Reagent strip reactions for ketones react primarily with:
a. acetone
b. acetoacetic acid
c. beta-hydroxybutyric acid
d. all of the above
b. acetoacetic acid
Symptoms of inherited porphyrias include all of the following except:
a. Fanconi syndrome
b. neurologic
c. psychiatric
d. photosensitivity
a. Fanconi syndrome
Damage to the glomerulus can occur as a result of all of the following except:
a. increased filtration of electrolytes
b. deposition of immune complexes
c. deposition of amyloid materials
d. cellular infiltration
a. increased filtration of electrolytes
Calibration of refractometers in done by measuring the specific gravity of :
a. distilled water and protein
b. distilled water and glucose
c. distilled water and sodium chloride
d. distilled water and urea
c. distilled water and sodium chloride
Urine with an odor of "sweaty feet" and a positive ketone test is indicates:
a. cystinuria
b. alkaptonuria
c. organic acidemia
d. tyrosyluria
c. organic acidemia
Using a bright-field microscope, the final magnification of a high-power field is: objective only- not objective plus eyepiece
a. 10
b. 40
c. 400
d. 1000
b. 40
Marks: 1 The presence of maple syrup urine disease is first suspected by the presence of abnormal urine:
a. color
b. protein
c. odor
d. amino acids
c. odor
The finding of a "blue diaper" is indicative of a defect in the metabolism of:
a. phenylalanine
b. tyrosine
c. tryptophan
d. cystine
c. tryptophan
Patients who produce kidney stones at an early age should be tested for the presence of:
a. organic acidemia
b. cystinuria
c. maple syrup urine disease
d. PKU
b. cystinuria
The presence of tyrosine and leucine crystals in the urine is associated with:
a. alkaptonuria
b. mental retardation
c. PKU
d. severe liver disease
d. severe liver disease
Which of the following renal disorders may be inherited?
a. Nephrotic syndrome
b. Acute interstitial nephritis
c. Acute tubular necrosis
d. Fanconi's syndrome
d. Fanconi's syndrome
A laboratory error that can result in an infant developing severe mental retardation is failure to perform a(an):
a. Acetest
b. SSA test
c. Ictotest
d. Clinitest
d. Clinitest
A urine sample that tests positive for ketones and negative for glucose is most likely from a patient suffering from:
a. diabetes insipidus
b. diabetes mellitus
c. polydipsia
d. starvation
d. starvation
Dipstick reactions for blood are based on the:
a. peroxidase activity of hemoglobin
b. oxidation of hemoglobin peroxidase
c. reaction of hemoglobin with bromthymol blue
a. peroxidase activity of hemoglobin
PICTURE
b. cholesterol crystal
Acetic acid may be used to differentiate red blood cells from
a. white blood cells
b. yeast
c. RTE cells
d. oval fat bodies
b. yeast
Following rejection of a specimen, a technologist must:
a. document the problem
b. assist in the collection of an acceptable specimen
c. document corrective actions taken
d. both A and C
d. both A and C
Dilution of CSF prior to performing a total cell count should be made using:
a. normal saline
b. deionized water
c. acetic acid
d. acetic acid containing methylene blue
a. normal saline
This parasite causes vaginitis as well. You have to see the flagella to diagnose it.
a. trichomonas
Which of the following disorders results in the accumulation of large amounts of homogentisic acid in the urine?
a. Alkaptonuria
b. Tyrosyluria
c. PKU
d. Homocystinuria
a. Alkaptonuria
The normal brown color of the feces is produced by:
a. undigested foodstuffs
b. urobilin
c. pancreatic enzymes
d. cellulose
b. urobilin
Three tubes of CSF labeled #1, #2, and #3 are received in the laboratory. They should be distributed as follows:
a. hematology #1, chemistry #2, and microbiology #3
b. hematology #2, chemistry #3, and microbiology #1
c. hematology #3, chemistry #1, and microbiology #2
d. hematology #1, chemistry #3, and microbiology #2
c. hematology #3, chemistry #1, and microbiology #2
Which of the following urinary parameters are measured during the course of concentration and dilutions tests to assess renal tubular functions?
a. Urea, nitrogen, and creatinine
b. Osmolality and specific gravity
c. sodium and chloride
d. sodium and osmolality
b. Osmolality and specific gravity
Characteristic urine odors are associated with all of the following disorders except:
a. alkaptonuria
b. PKU
c. maple syrup urine disease
d. isovaleric acidemia
a. alkaptonuria
Urine with an odor of "sweaty feet" and a positive ketone test is indicates:
a. cystinuria
b. alkaptonuria
c. organic acidemia
d. tyrosyluria
c. organic acidemia
Abnormal amounts of indigo blue in the urine are indicative of a defect in the metabolism of:
a. phenylalanine
b. tyrosine
c. tryptophan
d. cystine
c. tryptophan
PICTURE
c. calcium oxalate dihydrate form
PICTURE
d. calcium oxalate
Differential counts on CSF are performed on:
a. cells as they are counted in the hemocytometer
b. coverslipped wet preparations
c. stained smears prepared from the undiluted specimen
d. stained smears prepared from a concentrated specimen
d. stained smears prepared from a concentrated specimen
When you receive a specimen and a requisition form that do not match, you should:
a. notify the personnel who collected the specimen
b. test the specimen and note the error on the requisition
c. immediately discard the specimen
d. analyze the error and make appropriate changes to the label
a. notify the personnel who collected the specimen
When performing a routine urinalysis, the tech notes a 2+ protein result. The tech should:
a. Request a new specimen
b. Confirm with the acid precipitation (SSA) test
c. test for Bence Jones protein
d. report the result obtained without further testing
b. Confirm with the acid precipitation (SSA) test
Phenylketonuria is caused by:
a. excessive ingestion of milk products containing phenylalanine
b. inability to metabolize tyrosine
c. lack of the enzyme phenylalanine hydroxylase
d. a mousy odor in the urine
c. lack of the enzyme phenylalanine hydroxylase
A routine urinalysis is performed on a specimen that has turned dark after standing in the laboratory. The urine is acidic and has negative chemical tests except for the appearance of a red color on the ketone area of the reagent strip. One should suspect:
a. PKU
b. diabetic ketosis
c. alkaptonuria
d. melanuria
d. melanuria
PICTURE
rbc
The presence of which of the following crystals is associated with the nephrotic syndrome?
a. Cholesterol
b. Tyrosine
c. Cystine
d. Ampicillin
a. Cholesterol
Three tubes of CSF are submitted to the laboratory. They are numbered 1, 2, and 3 and show blood in all tubes but decreasing in amount as one inspects tubes 1 through 3. This observation should be interpreted as:
a. the tubes were numbered in wrong sequence as one would expect increasing amounts of blood
b. a traumatic or bloody tap, and in all likelihood, no pathogenic significance should be attached to the presence of the blood
c. the pathologic presence of RBCs and reported to your supervisor immediately
d. a pathologic presence of RBCs but because the RBC morphology is normal, there is minimal importance
b. a traumatic or bloody tap, and in all likelihood, no pathogenic significance should be attached to the presence of the blood
Variables that are included in a quality assurance program include all of the following except:
a. preanalytical
b. clinical
c. analytical
d. postanalytical
b. clinical
Phenylketonuria) is caused by:
a. excessive ingestion of milk products containing phenylalanine
b. inability to metabolize tyrosine
c. lack of the enzyme phenylalanine hydroxylase
d. a mousy odor in the urine
c. lack of the enzyme phenylalanine hydroxylase
What action would you take with the following results:
Color: YellowProtein: TraceBlood: Moderate
Clarity: HazyGlucose: NegativeUrobilinogen: 1.0 EU
Specific Gravity: 1.013Ketones: NegativeNitrite: Negative
pH: 8.0Bilirubin: NegativeLeukocyte esterase: Negative
Microscopic
4-8 WBC/hpf 20-25 RBC/hpf
a. Call the floor because the urobilinogen is over the panic value
b. Notify the floor that the specimen is too old
c. Recheck the sediment
d. Report the result
d. Report the result
The presence of tyrosine and leucine crystals in the urine is associated with:
a. alkaptonuria
b. mental retardation
c. PKU
d. severe liver disease
The primary advantage in using a commercial system for preparing the urine sediment is:
a. cost effectiveness
b. personnel safety
c. standardization
d. efficiency
c. standardization
Abnormal sperm morphology is determined by:
a. head and tail morphology and size
b. head size and shape
c. tail presence and appearance
d. staining reactions
a. head and tail morphology and size
The presence of maple syrup urine disease is first suspected by the presence of abnormal urine:
a. color
b. protein
c. odor
d. amino acids
c. odor
Oval fat bodies and fatty casts are characteristic urine sediment constituents in patients with:
a. chronic glomerulonephritis
b. acute interstitial nephritis
c. nephrotic syndrome
d. Wegener's granulomatosis
c. nephrotic syndrome
Glucosuria and generalized amino aciduria are characteristics of:
a. Fanconi's syndrome
b. nephrotic syndrome
c. focal segmental glomerulosclerosis
d. diabetes mellitus
a. Fanconi's syndrome
Infection of the bladder is termed:
a. pyelitis
b. nephritis
c. cystitis
d. bacteriuria
c. cystitis
Which of the following statements is (are) correct for glucose testing by reagent strip? 1. Glucose oxidase reacts with glucose in the urine. 2. Non-glucose-reducing substances fail to react. 3. Ascorbic acid may cause a false-negative reaction. 4. Hydrogen peroxide and peroxidase react to oxidize a chromogen.
a. 1 only
b. 1, 2, and 3
c. 1, 2, and 4
d. 1, 2, 3, and 4
d. 1,2,3, and 4
Normal semen should liquify:
a. immediately after ejaculation
b. within 1 hour
c. within 3 hours
d. after exposure to diluting fluid
b. within 1 hour