MMSC 407 CLINICAL CHEMISTRY FINAL EXAM
WITH CORRECT 50 ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+ 2025 – 2026
T3 is characterized as which of the following?
A. The active form
B. The least potent thyroid hormone
C. Secreted by the anterior pituitary gland in response to low blood levels of TSH
D. Used to make both T3 and T4 hormones - ANSWER A. The active form
A 1 to 5 dilution must be prepared to make a total volume of 100.00 uL. How much serum must
be used?
A. 0.25 uL
B. 0.20 uL
C. 20 uL
D. 25 uL - ANSWER C. 20 uL
A 2 2s quality control rule violation is defined as:
A. Two consecutive control values that exceed +2s
B. Two non-consecutive control values that exceed +2s
C. Four consecutive control values that exceed +2s
D. Two control values that exceed +4s - ANSWER A. Two consecutive control values that exceed
+2s
A 25 year old female visits her physician complaining of lethargy and wants to take a nap all the
time. Her physician orders laboratory tests and the results are as shown below. Which of the
,following conditions best represents this patient's status? Serum Iron- Dec, TIBC- Inc, Transferrin
Saturation- Dec, Serum Ferritin- Dec:
A. Thalassemia anemia
B. Iron deficiency anemia
C. Variegated porphyria
D. Hemochromatosis - ANSWER B. Iron deficiency anemia
A 52 year old man went to his doctor for a physical examination. The patient was overweight
and had missed his last two appointments because of business dealings. His blood pressure was
elevated, his cholesterol was 270 mg/dL, and his triglyceride was 190 mg/dL. A high-density
lipoprotein (HDL) cholesterol test was performed and the result was 30 mg/dL 20-60 mg/dL).
Which of the following would be this patient's calculated low-density lipoprotein (LDL)
cholesterol value?:
A. 157 mg/dL
B. 186 mg/dL
C. 202 mg/ dL
D. Cannot be determined from the information given - ANSWER C. 202 mg/dL
A blood sample for a trough drug level should be drawn:
A. 2 hours after drug administration
B. Immediately before drug administration
C. 1 hour after drug administration
D. During drug administration - ANSWER B. Immediately before drug administration
A breakdown product of bilirubin metabolism that is produced in the colon from the oxidation
of urobilinogen by microorganisms is:
A. Porphobilinogen
B. Urobilin
, C. Stercobilinogen
D. Protoporphyrin
E. Protoheme - ANSWER B. Urobilin
Use rod a broad spectrum antibiotic can temporarily cause a deficiency of vitamin K
(menaquinone) can result in which of the following?:
A. Scurvy
B. Pellagra
C. Increased clotting time
D. Hyperglycemia - ANSWER C. Increased clotting time
A patient's CK-MB is reported as 24 ug/L and the total CK is 574 IU/L. What is the CK relative
index (CKI)?:
A. 4.18%
B. 3.2%
C. 10.0%
D. 30.0% - ANSWER A. 4.18%
A patient's creatinine is outside the linear range of the analyzer: 10 uL of serum is added to 90.0
uL of diligent and the diluted sample is reanalyed. The creatinine value of the diluted sample is
1.0 mg/dL. Which of the following creatinine values is correct?:
A. 1.0 mg/dL
B. 10.0 mg/dL
C, 9.0 mg/dL
D. 90 mg/dL - ANSWER B. 10.0 mg/dL
WITH CORRECT 50 ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+ 2025 – 2026
T3 is characterized as which of the following?
A. The active form
B. The least potent thyroid hormone
C. Secreted by the anterior pituitary gland in response to low blood levels of TSH
D. Used to make both T3 and T4 hormones - ANSWER A. The active form
A 1 to 5 dilution must be prepared to make a total volume of 100.00 uL. How much serum must
be used?
A. 0.25 uL
B. 0.20 uL
C. 20 uL
D. 25 uL - ANSWER C. 20 uL
A 2 2s quality control rule violation is defined as:
A. Two consecutive control values that exceed +2s
B. Two non-consecutive control values that exceed +2s
C. Four consecutive control values that exceed +2s
D. Two control values that exceed +4s - ANSWER A. Two consecutive control values that exceed
+2s
A 25 year old female visits her physician complaining of lethargy and wants to take a nap all the
time. Her physician orders laboratory tests and the results are as shown below. Which of the
,following conditions best represents this patient's status? Serum Iron- Dec, TIBC- Inc, Transferrin
Saturation- Dec, Serum Ferritin- Dec:
A. Thalassemia anemia
B. Iron deficiency anemia
C. Variegated porphyria
D. Hemochromatosis - ANSWER B. Iron deficiency anemia
A 52 year old man went to his doctor for a physical examination. The patient was overweight
and had missed his last two appointments because of business dealings. His blood pressure was
elevated, his cholesterol was 270 mg/dL, and his triglyceride was 190 mg/dL. A high-density
lipoprotein (HDL) cholesterol test was performed and the result was 30 mg/dL 20-60 mg/dL).
Which of the following would be this patient's calculated low-density lipoprotein (LDL)
cholesterol value?:
A. 157 mg/dL
B. 186 mg/dL
C. 202 mg/ dL
D. Cannot be determined from the information given - ANSWER C. 202 mg/dL
A blood sample for a trough drug level should be drawn:
A. 2 hours after drug administration
B. Immediately before drug administration
C. 1 hour after drug administration
D. During drug administration - ANSWER B. Immediately before drug administration
A breakdown product of bilirubin metabolism that is produced in the colon from the oxidation
of urobilinogen by microorganisms is:
A. Porphobilinogen
B. Urobilin
, C. Stercobilinogen
D. Protoporphyrin
E. Protoheme - ANSWER B. Urobilin
Use rod a broad spectrum antibiotic can temporarily cause a deficiency of vitamin K
(menaquinone) can result in which of the following?:
A. Scurvy
B. Pellagra
C. Increased clotting time
D. Hyperglycemia - ANSWER C. Increased clotting time
A patient's CK-MB is reported as 24 ug/L and the total CK is 574 IU/L. What is the CK relative
index (CKI)?:
A. 4.18%
B. 3.2%
C. 10.0%
D. 30.0% - ANSWER A. 4.18%
A patient's creatinine is outside the linear range of the analyzer: 10 uL of serum is added to 90.0
uL of diligent and the diluted sample is reanalyed. The creatinine value of the diluted sample is
1.0 mg/dL. Which of the following creatinine values is correct?:
A. 1.0 mg/dL
B. 10.0 mg/dL
C, 9.0 mg/dL
D. 90 mg/dL - ANSWER B. 10.0 mg/dL
