MT AAB Chemistry | Comprehensive
Key Questions With Answers
What is the optimum pH for acid phosphatase?-correct-answer-5.0
What is the clinical significance of an elevated acid phosphatase?-correct-answer-
Prostatic disease
Which enzyme may be monitored in recovering alcoholics?-correct-answer-
Gamma-glutamyl transferase
Which enzyme is characteristically elevated in mumps?-correct-answer-Amylase
Lipase catalyzes the hydrolysis of which substrate?-correct-answer-Triglycerides
What is the substrate for the Cherry-Crandall lipase method?-correct-answer-
Olive oil
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In which disease state are the highest levels of aldolase seen?-correct-answer-
Muscular dystrophy
Because ionized calcium can be changed without affecting the total calcium level,
what other parameter(s) must be known to properly elevate calcium?-correct-
answer-pH and protein
All of the following regulate calcium levels:-correct-answer-Vitamin D, calcitonin,
and parathyroid hormone
All of the following regulate calcium levels, EXCEPT:-correct-answer-Aldosterone
Which one of the following specimens is acceptable for the determination of total
calcium?-correct-answer-Heparinized calcium
In the complexometric titration (EDTA) method for calcium, the pH must be
adjusted to prevent what occurrence?-correct-answer-Interference by magnesium
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The classic Clark-Collip method for calcium is based on which assumption?-
correct-answer-Calcium will be precipitated as an oxalate
What is the purpose of lanthanum in the atomic absorption determination of
calcium?-correct-answer-It will bind phosphate
At a pH of 7.4, most of the phosphorous in the body is in which form?-correct-
answer-Bone
Inorganic phosphate can be determined from a colorimetric method involving
which reagent?-correct-answer-Molybdate
A labor and deliver patient with preeclampsia is being treated for premature
contractions. Which one of the following is the most likely laboratory finding?-
correct-answer-Hypermagnesemia
The colorimetric method for magnesium employs which reagent?-correct-answer-
Titan yellow
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What is the most abundant iron-containing compound in the body?-correct-
answer-Ferritin
Why should serum iron be drawn at the same time on consecutive days?-correct-
answer-To avoid diurnal variation
Which protein transports the majority of protein in the bloodstream?-correct-
answer-Ceruplasmin
Increased serum copper is seen in which disease?-correct-answer-Wilson's
disease
Which analyte is an early indicator of tissue hypoxia?-correct-answer-Lactic acid
What is the major extracellular cation?-correct-answer-Sodium
Which hormone acts on the distal convoluted tubule to increase sodium
reabsorption?-correct-answer-Aldosterone