ASCP MLT CHEMISTRY EXAM LATEST ACTUAL EXAM 200 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A

ASCP MLT CHEMISTRY EXAM LATEST 2023-2024

ACTUAL EXAM 200 QUESTIONS AND CORRECT

DETAILED ANSWERS WITH RATIONALES (VERIFIED

ANSWERS) |ALREADY GRADED A

The measurement of creatinine is based on the formation of a yellow-red

color and which reagent? - ANSWER- titan yellow

The creatinine clearance test is based on what assumption? - ANSWERCreatinine passes into the ultrafiltrate

What is the most common clearance test used to measure the glomerular

filtration rate? - ANSWER- creatinine

Creatinine clearance formula - ANSWER- UV/P

or UV/P (1.73/correction factor)

1440 mls/min

A creatinine clearance test is performed. The 24-hour urine volume is

770 mL; serum creatinine is 2.0 mg/dL and urine creatinine is 240

mg/dL. What is the clearance, assuming average body surface area? -

ANSWER- 64 mL/minute

What disease state is associated with an elevation of serum uric acid? -

ANSWER- gout

Which reagent is employed in the alkaline oxidation of uric acid? -

ANSWER- phosphotungistic acid

What does the uricase method for uric acid depend on? - ANSWERultraviolet absorption at 290 nm before/after treatment with uricase

Which analytes is used as a prognostic indicator for liver failure? -

ANSWER- ammonia

Which disaccharide is composed of two glucose molecules? -

ANSWER- maltose

What term is used to describe the process of glycogen degradation? -

ANSWER- glycogenolysis

What is the renal threshold for glucose? - ANSWER- 140-160 mg/dL

Which hormone is produced by the beta cells of the islets of

Langerhans? - ANSWER- insulin

What hormones is considered a glucocorticoid? - ANSWER- cortisol

A 40-year-old male has a random glucose of 470 mg/dL. This lab

finding is consistent with what clinical conditions? - ANSWERDIABETES MELLITUS

What disease is associated with hypoglycemia? - ANSWER- von

Gierke's disease

What is the specimen of choice for glucose determinations? -

ANSWER- fluorinated plasma

What is the most frequently employed automated method for glucose? -

ANSWER- coupled enzyme system consisting of glucose oxidse and

peroxidase

Contamination of the glucose reagent with catalase is a problem with

what glucose method? - ANSWER- glucose oxidase

What is the hexokinase methodology for glucose determination based

on? - ANSWER- coupled enzymatic reaction consisting of oxidase and

peroxidase

What is the normal fasting blood glucose reference range for adults? -

ANSWER- 70-110 mg/dL

Prenatal patients with borderline blood glucose levels are further

evaluated by what test? - ANSWER- 3-hour glucose tolerance test