Exam (elaborations)
AAB MT Chemistry- Practice questions and answers
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- AAB Medical Technologist - Chemistry
AAB MT Chemistry- Practice questions and answers
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AAB MT Chemistry- PracticeA 15-year old male complains of fever, sore throat, swollen lymph nodes and malaise.
Laboratory results are positive for both infectious mononucleosis and syphilis. What is the
best explanation for the syphilis result?
Choose one answer.
a. false negative
b. false positive
c. true negative
d. true positive - correct answer-b. false positive
A 19-year-old female is admitted with the following laboratory results
Glucose 750 mg/dl
Potassium 6.0 mmoles/L
Carbon dioxide 7.0 mmoles/L
An arterial blood gas from this patient would most likely show?
Choose one answer.
a. respiratory acidosis
b. metabolic acidosis
c. metabolic alkalosis
d. respiratory alkalosis - correct answer-b. metabolic acidosis
A 40-year-old male has a random glucose of 270 mg/dL. This laboratory finding is consistent
with which of the following conditions?
Choose one answer.
a. von Gierke disease
b. diabetes insipidus
c. insulinoma
d. diabetes mellitus - correct answer-d. diabetes mellitus
A high alkaline phosphatase level in the presence of the other negative liver function test is
indicative of which disorder? - correct answer-bone disorder
A labor and delivery patient with preeclampsia is being treated for premature contractions.
Which one of the following is the most likely laboratory finding? - correct
answer-hypermagnesemia
Acridinium esters are commonly used in which of the following immunoassays?
Choose one answer.
a. radioimmunoassay
b. enzyme immunoassay
c. fluorescence immunoassay
d. chemiluminenscence immunoassay - correct answer-d. chemiluminenscence
immunoassay
All of the following hormones regulate calcium levels EXCEPT which one?
, Choose one answer.
a. aldosterone
b. parathyroid hormone
c. vitamin D
d. calcitonin - correct answer-a. aldosterone
An elevated alkaline phosphatase level in the absence of other elevated liver enzymes is
suggestive of which of the following disorders?
Choose one answer.
a. ectopic pregnancy
b. bone disorder
c. prostate cancer
d. viral hepatitis - correct answer-b. bone disorder
An elevated concentration of what analyte decreases risk of coronary heart disease?
Choose one answer.
a. HDL cholesterol
b. LDL cholesterol
c. triglycerides
d. total cholesterol - correct answer-a. HDL cholesterol
An elevated creatinine value is most likely to be accompanied by which of these values? -
correct answer-elevated blood urea nitrogen, 10X creatinine value
An increase in indirect-reacting bilirubin is suggestive of which condition? - correct
answer-hemoglobin breakdown
At a pH of 7.4, most of the phosphorus in the body is in which form?
Choose one answer.
a. DNA/RNA
b. bone
c. 2,3 DPG
d. ATP/ADP - correct answer-b. bone
Both porphobilinogen and urobilinogen form a red-colored compound with Ehrlich's reagent.
How can they be differentiated? - correct answer-urobilinogen is soluble in chloroform
Catecholamines are secreted by which one of the following? - correct answer-drenal medulla
Creatinine kinase is frequently elevated in acute myocardial infraction and which other
disorder? - correct answer-Duchenne's muscular dystrophy
For the ultraviolet range, which of these must be employed in the spectrophotometer? -
correct answer-quartz cuvette
Given the following results, what is the anion gap?
Sodium 145 mmol/L
Potassium 4.0 mmol/L
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