Deck 2: Regulations, Microscope Setup, and Quality Control

Question 1

Any substance in a sample, other than the one being measured or detected, whose presence affects the result of the test being performed is called a(n) _________________________.

Answer 1

interfering substance

Question 2

The setting of an optical instrument prior to testing controls and specimens is required by the manufacturer and is called:

A) quality control.
B) assay.
C) calibration.
D) proficiency labeling.

Answer 2

C

Question 3

The federal law that requires all physician's office laboratories (POLs) to meet acceptable standards of accuracy in test results is:

A) MSDS.
B) HIPAA.
C) CLIA 1988.
D) HMIS.

Answer 3

C

Question 4

The HIPAA privacy rule and risk management affect the laboratory in the all following situations except:

A) tests results are considered protected health information and cannot be seen or heard by others.
B) the patient is provided with information regarding how to prepare for a lab test.
C) test results are properly documented on the lab log and on the patient's health record.
D) patients do not have control over the use and disclosure of their health information.

Question 5

What changes the refraction of light with the100´ objective and increases the upper limit of magnification?

A) Immersion oil
B) Fine-focus adjustment knob
C) Mechanical stage
D) Multiple lens system

Question 6

The total magnification of a microscope is determined by both the power of the objective lens and the:

A) stage.
B) focal adjustment.
C) nosepiece.
D) ocular lens.

Question 7

A result indicating the absence of the substance that the test is designed to detect is a(n) _____________________ result.

Question 8

What causes the microscopic image to be clearer and sharper?

A) Focus controls
B) Mechanical stage
C) Condenser
D) Nosepiece

Question 9

Which of the following microscope maintenance actions is incorrect?

A) Clean all lenses with lens paper only.
B) When cleaning the lenses, start with the oil immersion lens.
C) Store the microscope in a dust-free area with a cover over it.
D) Carry the microscope with two hands by the base and arm.

Question 10

Which of the following is an example of a CLIA-waived test using a specimen?

A) Pap test
B) Dipstick urinalysis test
C) Pulmonary function test
D) TB skin test

Question 11

The system of monitoring every aspect of the laboratory testing process, starting with the physician's order and ending with the evaluation and communication of the test result, is known as:

A) quality assurance.
B) proficiency testing.
C) quality control.
D) calibration.

Question 12

Which statement is false regarding quality control documentation?

A) Levey-Jennings quality control charts have the advantage of showing the results of quality control tests over a period of time.
B) Shifts, trends, and random errors are quickly apparent on a Levey-Jennings chart.
C) Only abnormal test controls should be recorded on a Levey-Jennings chart.
D) A worker may obtain very precise but inaccurate test results.

Question 13

Quality control data should be recorded:

A) as OSHA requests it.
B) on the master quality control log and dated after receiving the control result.
C) when the weekend arrives.
D) when the proficiency lab requests it.

Question 14

When the internal control area on a qualitative test shows no reaction during the testing process, it is called a(n) _________________________________.

Question 15

When an explanation of laboratory test results is requested by the patient, how should lab workers respond?

A) Give the patient the test results.
B) Refer the patient to the physician.
C) Refer the patient to the front desk.
D) Educate the patient about the normal values of the test.

Question 16

Which of the following statements is true?

A) To obtain the total magnification, multiply the power of the objective lens by the power of the condenser.
B) When observing a densely stained slide on oil, move the condenser all the way down and close the iris diaphragm.
C) To obtain maximum magnification, immersion oil is added when using the 45´ objective.
D) You should focus a specimen under the 100´ objective with only the fine-focus adjustment knob.

Question 17

A substance or ingredient used in a laboratory test to detect, measure, examine, or produce a reaction is a(n) ____________________.

Question 18

If a POL is performing moderate-complex tests, CLIA requires all of the following except:

A) daily quality control monitoring using internal and/or external controls.
B) external proficiency testing every week.
C) instrument maintenance checks using calibrators and optics checks.
D) quality assurance system to identify patient specimens throughout the testing process.