MLS 1113 EXAM 3 Latest Update 2024-2025 Exam 370 Questions and 100% Verified Correct Answers Guaranteed A+
Are there any non pathogenic that may cause hematuria? - CORRECT ANSWER: Yes,
menstruation.
How do we tell the difference between the three different bloods? - CORRECT
ANSWER: The color and the clarity.
How do you correct a specific gravity by refractometry? - CORRECT ANSWER: 1.032 -
[2(.004) + 3(.003)] = 1.015
How does a refractometer work? - CORRECT ANSWER: With refractive index, the way
a sample bends light.
How is specific gravity measured? - CORRECT ANSWER: With a refractometry
How long does it take for nitrate to convert into nitrite? - CORRECT ANSWER: At least
- hours.
If someone has a high SG what will be noticed? - CORRECT ANSWER: Concentrated
urine, dehydration, x-ray contrast, and diabetes.
If someone has a low SG what will be noticed? - CORRECT ANSWER: Dilute urine,
renal failure - tubular necrosis, and diabetes insipidus - ADH problems.
Normal pH range? - CORRECT ANSWER: 4.5 - 8.0.
Normal range for blood in urine? - CORRECT ANSWER: Negative.
Normal range for glucose? - CORRECT ANSWER: Negative
Pathology for specific gravity? - CORRECT ANSWER: This is an indicator of hydration.
Pathology of pH? - CORRECT ANSWER: Not usually that significant to one
sickness/disease.
The normal range for specific gravity are what? - CORRECT ANSWER: 1.005 -1.030
The presence of bilirubin on the RTS are conformed by what? - CORRECT ANSWER:
Ictotest.
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The presence of protein on the RTS could explain the presence of what under the
microscope? - CORRECT ANSWER: Mucous and casts.
TRUE OR FALSE Excess protein in the blood can lead to proteinruria. - CORRECT
ANSWER: TRUE
Urine with large amounts of protein my appear? - CORRECT ANSWER: Foamy
What are Glomerulonephritis symptoms? - CORRECT ANSWER: Fever, malaise,
nausea, oliguria, hypertension,and edema.
What are ketones? - CORRECT ANSWER: They happen when the metabolism of fat is
used as a primary energy source, then ketones are made.
What are other methods used in chemical analysis? - CORRECT ANSWER: Specific
Gravity, Osmolality, and Solute concentration.
What are some interfering substances that can produce a WBC false positive? -
CORRECT ANSWER: Vaginal discharge, medications, food byproducts, and UTI
medications.
What are some of the tablet/reagent tests? - CORRECT ANSWER: Ictotest, Clinitest, and SSA test.
What are tablet/reagent tests? - CORRECT ANSWER: These are usually confirmatory
tests
What are the 3 types of blood found in urine? - CORRECT ANSWER: Hematuria,
hemoglobinuria, and myoglobin.
What are the chemical findings of ATN? - CORRECT ANSWER: Low S.G., maybe
blood and protein.
What are the chemicals on the RTS pad that detect nitrite/bacteria? - CORRECT
ANSWER: The pad contains an amine and an anomatic compound. Then it turns in to
diazo salt.
What are the different reactions on the strips? - CORRECT ANSWER: colorimetric,
enzymatic, or catalytic.
What are the glomerular diseases? - CORRECT ANSWER: Glomerulonephritis and
Nephrotic syndrome
What are the hepatic pathology? - CORRECT ANSWER: Hepatitis, Neonatal jaundice
liver problems -not conjugating and cant transport.
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What are the microscopic findings of ATN? - CORRECT ANSWER: Renal epis and
renal epi casts.
What are the normal ranges for leukocyle esterase? - CORRECT ANSWER: Negative
What are the pathogenic causes of hematuria? - CORRECT ANSWER: Kidney
dysfunction, kidney damage, kidney stones, UTI, and trauma.
What are the pathogenic causes of hemoglobinuria? - CORRECT ANSWER:
Intravascular hemolysis, hemolytic anemia/ sickle cell, blood transfusion issue, and extreme trauma.
What are the pathogenic causes of myoglobin? - CORRECT ANSWER: Muscle trauma,
seizures, muscle diseases, electric shock, alcoholism.
What are the post-hepatic pathology? - CORRECT ANSWER: Obstruction/tumor, white
or gray poop.
What are the pre-hepatic pathology? - CORRECT ANSWER: Hemolytic anemia, sickle
cell, transfusion reaction, and sever trauma.
What are the quantitative results like? - CORRECT ANSWER: They give
numbers/approximation ex. specific gravity
What are the quantitative results like? - CORRECT ANSWER: They give positive and negative. ex. nitrite
What are the semi quantitative results like? - CORRECT ANSWER: They give
estimates like 1+, 2+, 3+ and 4+
What are the symptoms of ATN? - CORRECT ANSWER: Azotema: nitrogen coating
and oliguria: not peeing.
What are the symptoms of Nephrotic syndrome? - CORRECT ANSWER: Edema, high
lipids, blood pressure changes.
What are the three metabolic disease causes? - CORRECT ANSWER: 1. Too much of
something
- Filtration issues
- Reabsorption problems
What are the three reasons your body uses fat instead of carbs? - CORRECT
ANSWER: Diabetes, low carb diet, and diarrhea/vomiting.
What are the three types of ketone bodies we see in urine? - CORRECT ANSWER:
78% betahybroxy butric acid
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