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Med 232
| Question | Answer |
|---|---|
| Which of the following is an advantage of completing laboratory tests in the physician’s office laboratory (POL)? | Turnaround time is faster for finding out results. |
| Which of the following routine tests are most often performed at the physician’s office laboratory (POL)? | chemistry and hematology |
| Which laboratory test uses samples of whole blood to identify problems with the count, size, or shape of blood cells that could indicate disease? | hematologic test |
| Which laboratory tests examine blood, urine, sputum, reproductive fluids, and fluids from wounds to identify the presence of pathogenic organisms? | microbiologic tests |
| Sterilization, or eradication of all organisms on the surface of instruments and equipment before they can be used on patients or in a procedure, is performed by a(n) ________ | autoclave |
| A device for spinning a specimen at high speed until it separates into its component parts is a ________ | centrifuge |
| Which of the following uses light, concentrated through a condenser and focused through the object being examined, to project an image? | optical microscope |
| What is the name for the eyepiece of the optical microscope through which an image is viewed? | ocular |
| Which part of an optical microscope contains a magnifying lens? | objective |
| The optical microscopes used in physicians' office laboratories usually have ________ objectives. | three |
| Which of the following is designed to be lowered into a drop of immersion oil placed directly above the prepared specimen under examination? | oil-immersion objective |
| Which of the following is characteristic of an oil-immersion objective? | It is used for specimens that need very high magnification. |
| Where are the focus controls on a microscope located? | arm |
| Which of the following is the function of the focus controls? | They bring the objects being examined into clear view. |
| Which part of an optical microscope is the platform on which the specimen slide rests? | stage |
| The part of the optical microscope that concentrates the light being directed through the sample is the ________ | condenser |
| The iris of the optical microscope is ________ | a diaphragm that opens and closes to change the amount of light illuminating the specimen |
| Which of the following support and position the specimen and prevent contamination of the microscope by the specimen? | coverslip and slide |
| Which of the following measures light intensity and is a basic electronic component of many pieces of analytic laboratory equipment? | photometer |
| Patients with diabetes and clinical personnel use which of the following to monitor blood glucose levels? | glucometer |
| Which of the following is used to measure small amounts of liquids and can be either mechanical or manual? | pipette |
| A slide calibrated to the exact measurements needed to count blood cells or sperm under a microscope is a ________ | hemocytometer |
| Which of the following is used to measure the large amounts of liquids necessary for reagents? | volumetric beaker |
| Which of the following is included in the guidelines for Standard Precautions? | Wear eye protection and face masks when there is a risk that droplets or spray may come in contact with your eyes, nose, or mouth. |
| When testing specimens that may be contaminated with blood-borne or other pathogens, which of the following would apply? | Avoid working when you have cuts, lesions, or sores on your hands. |
| Which of the following is an appropriate solution for cleaning a surface contaminated with blood, blood products, or body fluids? | 10% bleach |
| A quality assurance program ________ | is designed to monitor the quality of patient care a medical laboratory provides |
| Which of the following was created in response to public concern over the accuracy of laboratory testing? | Clinical Laboratory Improvement Amendments of 1988 |
| The Clinical Laboratory Improvement Amendments of 1988 had an impact on physician's office laboratories in which way? | They caused many doctors to close their laboratories. |
| Certificate of Waiver tests are classified as such if they ________ | pose an insignificant risk to the patient if they are performed or interpreted incorrectly |
| Laboratories that perform moderate-complexity tests ________ | must be run by a pathologist |
| Which of the following types of tests may be performed in a physician’s office laboratory (POL) or as point-of-care tests (POCT) if a Certificate of Waiver has been granted? | erythrocyte sedimentation rate and urinalysis |
| Moderate-complexity tests include ________ | chemistry, immunology, bacteriology, and virology |
| Which of the following are considered high-complexity tests? | tests in clinical cytogenics, histopathology, histocompatibility, and cytology |
| The focus of a quality control program is to ________ | ensure accuracy in test results through careful monitoring of test procedures |
| Which of the following is a characteristic of control samples that are run in the POL? | They serve as a check on the accuracy of the test. |
| Which of the following are chemicals or chemically treated substances used in test procedures? | reagents |
| A foreign object that is visible through a microscope, but is unrelated to the specimen and may be misinterpreted when the specimen is examined, is a(n) ________ | artifact |
| The chemically coated strip used in urine glucose and ketone monitoring is an example of a(n) ________ | reagent |
| Which of the following communications should be used when preparing a patient for a laboratory test? | Let the patient be your guide in determining how much information to provide. |
| The abbreviation for milligram is ________ | mg |
| What does QNS on a lab report mean? | The specimen that was sent to perform the test was not large enough. |
| Numbers 2 and 3 on this microscope are the ________ | focus controls |
| Number 10 on this microscope is the ________blank, which contains the condenser and iris. | substage |
| Number 6 on this microscope is the ________ | revolving nosepiece |
| Number 8 on this microscope represents the ________blank that hold the specimen slide in place. | slide clips |
| Number 12 on this microscope is the ________ | light source |
| Mr. Pierce arrived for his scheduled blood test at 10:00 this morning. When you asked if he followed instructions and fasted since midnight, he proudly states that he hasn't had anything "except my morning coffee." What should you do? | Inform the physician to determine whether the blood still can be collected. |
| Sammy is a 6-year-old patient who needs to have blood drawn for testing. He is obviously anxious about the procedure, and his mother appears to be just as upset as Sammy is. Which of the following approaches should you take to reassure Sammy and his mothe | Explain the procedure to Sammy and his mother using simple language that they can understand. |
| Mrs. Casanello had a breast biopsy last Friday. She calls Wednesday afternoon and asks if the results are back yet. The results came in Wednesday morning, and you know that the results were good: there is no malignancy. What should you tell Mrs. Casanello | Tell Mrs. Casanello that you will check with the doctor and someone will call her as soon as the results have been interpreted. |
| Which characteristic of control samples is similar to that of a standard? | They are specimens like those taken from a patient and have known values. |
| A pap smear used to detect cervical cancer is sent to which department of a reference laboratory? | cytology |
| Workforce drug testing is a type of ________blank test. | toxicology |
| Which of the following is an advantage of a point-of-care test (POCT)? | The POCT can help to monitor the patient’s condition after a diagnosis is made. |
| As a medical assistant, you may be responsible for processing tests done in the physician’s office laboratory (POL), including | All of these choices are correct. |
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