BLD 313 Final Comprehensive Resource To Help You Ace
2026-2027 Exams Includes Frequently Tested Questions
With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. The pH of acetic acid is 4.76. What is the pH of a 0.05 M solution of acetic
acid?
a) 1.0
b) 3.0
c) 2.0
d) 4.0 - Correct Answer: B
2. In 1 liter of solution that contains 0.05 moles of sodium acetate and 0.02
moles of acetic acid. What is the final pH of this solution? pK of acetic acid
is 4.76.
a) 5.2
b) 5.1
c) 5.4
d) 5.3 - Correct Answer: A
3. To 10 ml of a 0.10 M solution of HCl is added 5.0 ml of a 0.02 M solution of
NaOH. What is the final pH of this mixture?
a) 1.24
b) 1.22
c) 1.21
4. d)1.23 - Correct Answer: B
,5. Which of the following is a role of the clinical laboratory in managing a
patient who has been diagnosed with AIDS?
a) Contact the people who have sexual contact with the patient
b) Initiate antiviral treatment
c) Obtain previous medical history of the patient
d) Determine the virus load - Correct Answer: D
6. Which of the following statements best describes a quality assurance
program of clinical laboratories?
a) To maintain the high quality patient care by constantly examining
every aspect of an entire operation of the hospital that provides the
care
b) The requirements of quality assurance program of clinical
laboratories are regulated by FDA..
c) Check every aspect of the entire testing process including pre-
analytical, analytical and post-analytical phases
d) Clinical laboratories' delivery of the accurate and reliable testing
results promptly to other healthcare professionals - Correct
Answer: C
7. Which of the following is an example of pre-analytic error?
a) It covers all policies and procedures of a clinical laboratory.
b) It is the same as quality assurance.
c) It ensures the test results are reported properly to other health
professionals.
d) It ensures a particular test method is working properly. - Correct
Answer: C
8. Which of the following best describes quality control in clinical
laboratories?
, a) It covers all policies and procedures of a clinical laboratory.
b) It is the same as quality assurance.
c) It ensures the test results are reported properly to other health
professionals.
d) It ensures a particular test method is working properly. - Correct
Answer: D
9. Which of the following is NOT a part of the quality assurance program of a
clinical laboratory?
a) A safety program for both staff and patients
b) Refer patients to specialists based on appropriate test results
c) Quality control
d) Staff performance evaluation - Correct Answer: B
10.A patient has a new screening test for HIV. The test indicates that the
patient is well although he is infected. Which of the following properly
describe the test result?
a) True negative
b) True positive
c) False negative
d) False positive - Correct Answer: D
11.To identify all patients infected by a virus, the cut-off point for this test
should be set at the point of highest _______.
a) Sensitivity
b) Accuracy
c) Reliability
d) Specificity - Correct Answer: A
, 12.A disease is treatable and has very poor prognosis if untreated. There is no
serious consequence associated with false positive result. Which of the
following test is desirable for diagnosis of such disease?
a) A test of high specificity
b) A test of high sensitivity
c) A test with low positive predictive value
d) A test with high negative predictive value - Correct Answer: B
13.If the new screening test has a sensitivity of 90% and a specificity of 70%.
What is the positive predictive value of this test?
a) 30%
b) 75%
c) 25%
d) 88% - Correct Answer: B
14.If the new screening test has a sensitivity of 90% and a specificity of 80%.
What is the diagnostic efficiency of this test?
a) 90%
b) 75%
c) 80%
d) 85% - Correct Answer: D
15.If the prevalence of a disease increases, the sensitivity of the related
screening test would change in which of the following ways?
a) Could be decrease or increase
b) Decrease
c) Increase
d) Does not change - Correct Answer: D
2026-2027 Exams Includes Frequently Tested Questions
With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. The pH of acetic acid is 4.76. What is the pH of a 0.05 M solution of acetic
acid?
a) 1.0
b) 3.0
c) 2.0
d) 4.0 - Correct Answer: B
2. In 1 liter of solution that contains 0.05 moles of sodium acetate and 0.02
moles of acetic acid. What is the final pH of this solution? pK of acetic acid
is 4.76.
a) 5.2
b) 5.1
c) 5.4
d) 5.3 - Correct Answer: A
3. To 10 ml of a 0.10 M solution of HCl is added 5.0 ml of a 0.02 M solution of
NaOH. What is the final pH of this mixture?
a) 1.24
b) 1.22
c) 1.21
4. d)1.23 - Correct Answer: B
,5. Which of the following is a role of the clinical laboratory in managing a
patient who has been diagnosed with AIDS?
a) Contact the people who have sexual contact with the patient
b) Initiate antiviral treatment
c) Obtain previous medical history of the patient
d) Determine the virus load - Correct Answer: D
6. Which of the following statements best describes a quality assurance
program of clinical laboratories?
a) To maintain the high quality patient care by constantly examining
every aspect of an entire operation of the hospital that provides the
care
b) The requirements of quality assurance program of clinical
laboratories are regulated by FDA..
c) Check every aspect of the entire testing process including pre-
analytical, analytical and post-analytical phases
d) Clinical laboratories' delivery of the accurate and reliable testing
results promptly to other healthcare professionals - Correct
Answer: C
7. Which of the following is an example of pre-analytic error?
a) It covers all policies and procedures of a clinical laboratory.
b) It is the same as quality assurance.
c) It ensures the test results are reported properly to other health
professionals.
d) It ensures a particular test method is working properly. - Correct
Answer: C
8. Which of the following best describes quality control in clinical
laboratories?
, a) It covers all policies and procedures of a clinical laboratory.
b) It is the same as quality assurance.
c) It ensures the test results are reported properly to other health
professionals.
d) It ensures a particular test method is working properly. - Correct
Answer: D
9. Which of the following is NOT a part of the quality assurance program of a
clinical laboratory?
a) A safety program for both staff and patients
b) Refer patients to specialists based on appropriate test results
c) Quality control
d) Staff performance evaluation - Correct Answer: B
10.A patient has a new screening test for HIV. The test indicates that the
patient is well although he is infected. Which of the following properly
describe the test result?
a) True negative
b) True positive
c) False negative
d) False positive - Correct Answer: D
11.To identify all patients infected by a virus, the cut-off point for this test
should be set at the point of highest _______.
a) Sensitivity
b) Accuracy
c) Reliability
d) Specificity - Correct Answer: A
, 12.A disease is treatable and has very poor prognosis if untreated. There is no
serious consequence associated with false positive result. Which of the
following test is desirable for diagnosis of such disease?
a) A test of high specificity
b) A test of high sensitivity
c) A test with low positive predictive value
d) A test with high negative predictive value - Correct Answer: B
13.If the new screening test has a sensitivity of 90% and a specificity of 70%.
What is the positive predictive value of this test?
a) 30%
b) 75%
c) 25%
d) 88% - Correct Answer: B
14.If the new screening test has a sensitivity of 90% and a specificity of 80%.
What is the diagnostic efficiency of this test?
a) 90%
b) 75%
c) 80%
d) 85% - Correct Answer: D
15.If the prevalence of a disease increases, the sensitivity of the related
screening test would change in which of the following ways?
a) Could be decrease or increase
b) Decrease
c) Increase
d) Does not change - Correct Answer: D
