Nursing continuing education $3/hr

Exam & Evaluation (Understanding Urinalysis)
Questions: Please respond to following statements.

1 A specimen of urine for a routine UA should be:
  At least 60 ml
  Put into a sterile container
  An early a.m. specimen if possible
  Sent to the lab as a stat procedure
2 Mr. Jones has a regular diet, including meat and dairy products and has not been NPO before urine collection. Which of Mr. Jones' UA results is abnormal?
  pH 5.5, few hyaline casts
  Specific gravity 1.012, 2-3 red blood cells
  20-25 white blood cells, pH 7.5
  Crystals, specific gravity 1.025
3 Which of the following patients demonstrates the concept of a fixed specific gravity (SG)?
  A patient with a SG of 1.024 on 3 successive early morning urine specimens
  A patient with a SG of 1.010 on a random urine specimen
  A patient whose SG remains about 1.010 while on diuretics
  A fluid restricted patient whose SG stays at 1.010
4 A patient is asked to obtain a urine specimen before getting out of bed to rule out orthostatic:
5 Jane Green is in her third trimester of pregnancy. A dipstick test for nitrites and leukocyte esterase in the urine were positive. These results are evidence of:
  Normal dietary metabolites of protein
  Possible urinary tract infection
  Lack of Vitamin C in the diet
6 Which of the following tends to make the urine pH more alkaline?
  Cranberry juice
7 In interpreting the meaning of a urinary specific gravity for an infant, it is important to realize that at this age the normal specific gravity is:
  Lower than for an adult
  Higher than for an adult
  The same as the adult range
  Fixed at 1.010
8 All of the following are principal substances contained in urine except:
9 In obtaining any type of urine specimen, the nurse should:
  Observe agency protocols for collection
  Follow universal precautions
  Check with the laboratory regarding the need for preservatives or refrigeration
  All of the above
10 To obtain accurate urinalysis results, a urine specimen should be analyzed within:
  1 hour
  2 hours
  4 hours
  8 hours
11 The average amount of urine produced by a healthy adult in a 24-hour period is:
  1000 ml
  1500 ml
  2400 ml
  3000 ml
12 Urine that contains red blood cells may appear:
13 Unusual odors in the urine can be caused by:
  Urinary tract infections
  Foods or drugs
  Metabolic abnormalities
  All of the above
14 The effect of most bacterial urinary tract infections on the pH is:
  The pH increases
  The pH decreases
  There is no effect on pH
15 Which of the following substances in the urine will increase urinary specific gravity?
  Dyes used in diagnostic tests
  All of the above
16 The most common reason for an increase in urinary specific gravity is:
  Syndrome of inappropriate anti-diuretic hormone secretion
  Diabetes mellitus
17 The most important indicator of renal disease is:
18 A urine specimen collected at 7 a.m. has a pH of 5.7. If the specimen is left standing until 11 a.m. and tested again, the pH would most likely be:
19 The average renal threshold for glucose is:
  100-120 mg/dl
  150-170 mg/dl
  160-190 mg/dl
  180-200 mg/dl
20 A finding of ketones in the urine indicates that a patient is using what type of fuel for energy?
21 Which of the following tests of urine is used to diagnose a carcinoid tumor?
  Urinary porphyrins
  Addis count
22 A patient with multiple myeloma might have an increase in which of the following:
  Urinary porphyrins
  Urinary amylase
  Bence Jones proteins
  Urinary calcium
23 A patient who has had a surgical removal of the distal part of the small intestine due to inflammatory bowel disease or morbid obesity may have urine testing done to assess the potential for:
  Oxylate renal stones
  Uric acid renal stones
  Nephrotic syndrome
24 Which of the following urine tests may be used to diagnose pheochromocytoma?
  Urinary amylase
  Bence Jones proteins
  Urine vanillylmandelic acid
25 An early morning urine specimen will have a highly acidic pH due to decreased pulmonary ventilation during sleep.
True     False
26 The minimum amount of urine needed for a routine UA is 10 ml.
True     False
27 Ketonuria may occur during acute illness or severe stress.
True     False
28 The greater the width of a renal cast, the less the degree of renal impairment.
True     False
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