AAB Chemistry Exam 2025 With 100%
Correct Answers
In the classic Schales-Schales (mercurimetric titration) method for chloride, what substance
reacts with the indicator to form a violet color? a. AgCl2 b. excess Hg с. ferric nitrate d. mercuric
thiocyanate - correct answers ✔✔B excess Hg
4%-10% beta-globulin, and 45% If an electrophoretic pattern shows 30 % albumin, 4 %-10 %
alpha-globulin, gamma-globulin, then what condition may exist in the patient? a. cirrhosis b.
inflammation c. nephrotic syndrome d. monoclonal gammopathy - correct answers ✔✔d.
monoclonal gammopathy
A 40-year-old male has a random glucose of 470 mg/dL. This lab finding is consistent with which
one of the following clinical conditions? a. glycogen storage disease b. diabetes insipidus c.
diabetes mellitus d. insulinoma - correct answers ✔✔c. diabetes mellitus
A glitter cell is a term used to describe a specific type of which one of the following? a.
leukocyte b. fat droplet c. lysed red cell d. oval fat body - correct answers ✔✔leukocyte
A granular cast is thought to represent the decomposition of which of these casts? a. cellular b.
hyaline C. waxy d. fatty - correct answers ✔✔cellular
A high alkaline phosphatase level in the presence of other negative liver function tests is
indicative of which disorder? a. bone disorder b. viral hepatitis C. prostate cancer d. ectopic
pregnancy - correct answers ✔✔a. 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? a. hyponatremia b.
hyperkalemia c. hypocalcemia d. hypermagnesemia - correct answers ✔✔hypermagnesemia
,A low parathyroid hormone level will cause which of the following? a. high urine calcium b. low
serum calcium c. high serum calcium d. low serum phosphorus - correct answers ✔✔low serum
calcium
A potassium result of 6.8 mmol/L is obtained from a dialysis patient. Before reporting this
result, what is the most appropriate action? a. check for hemolysis b. rerun quality control c.
recalibrate potassium d. call the critical result - correct answers ✔✔check for hemolysis
A smoky red-brown urine should be suspected of containing which of the following? a. bilirubin
b. erythrocytes c. porphyrins d. urobilinogen - correct answers ✔✔erythrocytes
A urine that turns brown-black upon standing may contain which substance? a. homogentisic
acid b. myoglobin c. porphyrin d. erythrocytes - correct answers ✔✔homogentisic acid
All of the following are glycoproteins EXCEPT which one? a. ceruloplasmin b. follicle-stimulating
hormone c. fibrinogen d. cryoglobulin - correct answers ✔✔d. cryoglobulin
All of the following can cause low chloride levels EXCEPT which one? a. diabetic acidosis b. renal
failure c. prolonged vomiting d. dehydration - correct answers ✔✔dehydration
All of the following regulate calcium levels EXCEPT which one? a. vitamin D b. calcitonin c.
aldosterone d. parathyroid hormone - correct answers ✔✔aldosterone
All of the following specimens can be analyzed for carbon dioxide EXCEPT which one? a. urine b.
serum c. plasma d. whole blood - correct answers ✔✔a. urine
All of the following tests are good indicators of hypothyroidism EXCEPT which one? a. FT4 b. TT4
c. s-TSH d. T3 uptake - correct answers ✔✔T3 uptake
, An elevated creatinine value is most likely to be accompanied by which of these values? a.
normal uric acid b. elevated uric acid, 10X creatinine value c. normal blood urea nitrogen d.
elevated blood urea nitrogen, 10X creatinine value - correct answers ✔✔d. elevated blood urea
nitrogen, 10X creatinine value
An increase in indirect-reacting bilirubin is suggestive of which condition? b. lipid accumulation
a. bile acid reflux d. gammaglobulinopathy c. hemoglobin breakdown - correct answers ✔✔c.
hemoglobin breakdown
An increased CSF IgG index is characteristically seen in which condition? a. traumatic tap b.
multiple sclerosis c. bacterial meningitis d. subarachnoid hemorrhage - correct answers
✔✔multiple sclerosis
An LD isoenzyme electrophoretic pattern that shows an increase in LD1, LD2 and LD3 is seen in
which disease state? a. renal disease b. pernicious anemia c. acute liver disease d. myocardial
infarction - correct answers ✔✔b. pernicious anemia
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? а. 6 mL/minute b. 38 mL/minute c. 64 mL/minute d. 924 mL/minute - correct
answers ✔✔c. 64 mL/minute
Aspartate transaminase is elevated in all of the following conditions EXCEPT which one? a.
myocardial infarction b. muscular dystrophy с. acute pancreatitis d. liver disease - correct
answers ✔✔b. muscular dystrophy
At a pH of 7.4, most of the phosphorus in the body is in which form? a. bone b. ATP/ADP c. 2,3
DPG d. DNA/RNA - correct answers ✔✔d. DNA/RNA
Because ionized calcium can be changed without affecting the total calcium level, what other
parameter(s) must be known to properly evaluate calcium? a. vitamin D b. magnesium c.
phosphorus d. pH and protein - correct answers ✔✔pH and protein
Correct Answers
In the classic Schales-Schales (mercurimetric titration) method for chloride, what substance
reacts with the indicator to form a violet color? a. AgCl2 b. excess Hg с. ferric nitrate d. mercuric
thiocyanate - correct answers ✔✔B excess Hg
4%-10% beta-globulin, and 45% If an electrophoretic pattern shows 30 % albumin, 4 %-10 %
alpha-globulin, gamma-globulin, then what condition may exist in the patient? a. cirrhosis b.
inflammation c. nephrotic syndrome d. monoclonal gammopathy - correct answers ✔✔d.
monoclonal gammopathy
A 40-year-old male has a random glucose of 470 mg/dL. This lab finding is consistent with which
one of the following clinical conditions? a. glycogen storage disease b. diabetes insipidus c.
diabetes mellitus d. insulinoma - correct answers ✔✔c. diabetes mellitus
A glitter cell is a term used to describe a specific type of which one of the following? a.
leukocyte b. fat droplet c. lysed red cell d. oval fat body - correct answers ✔✔leukocyte
A granular cast is thought to represent the decomposition of which of these casts? a. cellular b.
hyaline C. waxy d. fatty - correct answers ✔✔cellular
A high alkaline phosphatase level in the presence of other negative liver function tests is
indicative of which disorder? a. bone disorder b. viral hepatitis C. prostate cancer d. ectopic
pregnancy - correct answers ✔✔a. 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? a. hyponatremia b.
hyperkalemia c. hypocalcemia d. hypermagnesemia - correct answers ✔✔hypermagnesemia
,A low parathyroid hormone level will cause which of the following? a. high urine calcium b. low
serum calcium c. high serum calcium d. low serum phosphorus - correct answers ✔✔low serum
calcium
A potassium result of 6.8 mmol/L is obtained from a dialysis patient. Before reporting this
result, what is the most appropriate action? a. check for hemolysis b. rerun quality control c.
recalibrate potassium d. call the critical result - correct answers ✔✔check for hemolysis
A smoky red-brown urine should be suspected of containing which of the following? a. bilirubin
b. erythrocytes c. porphyrins d. urobilinogen - correct answers ✔✔erythrocytes
A urine that turns brown-black upon standing may contain which substance? a. homogentisic
acid b. myoglobin c. porphyrin d. erythrocytes - correct answers ✔✔homogentisic acid
All of the following are glycoproteins EXCEPT which one? a. ceruloplasmin b. follicle-stimulating
hormone c. fibrinogen d. cryoglobulin - correct answers ✔✔d. cryoglobulin
All of the following can cause low chloride levels EXCEPT which one? a. diabetic acidosis b. renal
failure c. prolonged vomiting d. dehydration - correct answers ✔✔dehydration
All of the following regulate calcium levels EXCEPT which one? a. vitamin D b. calcitonin c.
aldosterone d. parathyroid hormone - correct answers ✔✔aldosterone
All of the following specimens can be analyzed for carbon dioxide EXCEPT which one? a. urine b.
serum c. plasma d. whole blood - correct answers ✔✔a. urine
All of the following tests are good indicators of hypothyroidism EXCEPT which one? a. FT4 b. TT4
c. s-TSH d. T3 uptake - correct answers ✔✔T3 uptake
, An elevated creatinine value is most likely to be accompanied by which of these values? a.
normal uric acid b. elevated uric acid, 10X creatinine value c. normal blood urea nitrogen d.
elevated blood urea nitrogen, 10X creatinine value - correct answers ✔✔d. elevated blood urea
nitrogen, 10X creatinine value
An increase in indirect-reacting bilirubin is suggestive of which condition? b. lipid accumulation
a. bile acid reflux d. gammaglobulinopathy c. hemoglobin breakdown - correct answers ✔✔c.
hemoglobin breakdown
An increased CSF IgG index is characteristically seen in which condition? a. traumatic tap b.
multiple sclerosis c. bacterial meningitis d. subarachnoid hemorrhage - correct answers
✔✔multiple sclerosis
An LD isoenzyme electrophoretic pattern that shows an increase in LD1, LD2 and LD3 is seen in
which disease state? a. renal disease b. pernicious anemia c. acute liver disease d. myocardial
infarction - correct answers ✔✔b. pernicious anemia
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? а. 6 mL/minute b. 38 mL/minute c. 64 mL/minute d. 924 mL/minute - correct
answers ✔✔c. 64 mL/minute
Aspartate transaminase is elevated in all of the following conditions EXCEPT which one? a.
myocardial infarction b. muscular dystrophy с. acute pancreatitis d. liver disease - correct
answers ✔✔b. muscular dystrophy
At a pH of 7.4, most of the phosphorus in the body is in which form? a. bone b. ATP/ADP c. 2,3
DPG d. DNA/RNA - correct answers ✔✔d. DNA/RNA
Because ionized calcium can be changed without affecting the total calcium level, what other
parameter(s) must be known to properly evaluate calcium? a. vitamin D b. magnesium c.
phosphorus d. pH and protein - correct answers ✔✔pH and protein
