Chapter 43-44 Test

wet mount

A ________ preparation involves taking a specimen, placing it on a slide, and adding a drop of sterile normal saline and a cover so the physician can observe the motility of microbes. direct smear Culturette wet mount Petri dish

before beginning antibiotic treatment

A basic rule of specimen collection is that specimens should be collected ________. after antibiotic treatment if there is an insufficient quality of material before beginning antibiotic treatment if the patient did not follow pretest preparation

Staphylococcus aureus

A common cause of nosocomial infections is ________. Staphylococcus aureus Streptococcus pyogenes Borrelia burgdorferi Escherichia coli

False

A qualitative test analyzes a specimen for the presence of a substance and the amount of the substance present. True False

True

A reference laboratory handles more complex tests than an outside laboratory as well as tests that are infrequently requested. True False

exudate

A specimen of ________ contains wound drainage material made of serum, white blood cells, and fibrin, and may be collected in a Culturette unit. sputum occult blood cerebral spinal fluid (CSF) exudate

True

A virus is parasitic, that is, it depends on living cells of other organisms for growth. True False

True

A written record of the maintenance performed on laboratory equipment must be readily available. True False

incubator

A(n) ________ is used to maintain a specific temperature to achieve a specific result. photometer centrifuge incubator autoclave

violet

After Gram staining, a Gram-positive bacterium retains the ________ color of the stain used in the staining of the microorganism. pink white violet green

False

All medical assistants are trained to diagnose and to have basic knowledge of laboratory testing. True False

caps

All of the following are items of personal protective equipment that are essential in a physician's office laboratory, EXCEPT ________. masks gloves gowns caps

lipidemia

An LDL test is a CLIA-waived test for ________. lipidemia influenza infection clotting disorders HIV

False

An improperly labeled specimen should still be tested. True False

food poisoning

Bacilli are responsible for a wide variety of illnesses including enteritis, also known as ________. tuberculosis food poisoning urinary tract infection whooping cough

lens paper

Clean the eyepieces and objectives of a microscope with ________. a sterile sponge soap and water lens paper spray solution

True

Differential smears categorize types of white cells in a sample. True False

False

In a reference laboratory, test results are stored anonymously so that physicians can use them to compare to results on their own patients. True False

True

In order to determine that testing equipment is working correctly, control solutions that produce an expected result are tested instead of patients' specimens. True False

peptic ulcers

It was discovered that H. pylori is the causative agent of ________ and a risk factor in gastric malignancy in some infected persons. heart attacks heart disease cancer peptic ulcers

True

Many Certificate of Waiver Tests have been approved by the FDA for home use. True False

True

One of the most frequently requested specimens in a physician's office laboratory (POL) is the throat swab or culture. True False

True

Penicillin is now synthetically produced. True False

False

Protozoa are multi-celled parasites. True False

True

S. aureus can cause toxic shock syndrome. True False

necrotizing fasciitis

S. pyogenes is responsible for ________, a severe infection due to destruction of subcutaneous tissue that has a 30 percent mortality rate. trichomoniasis steatorrhea necrotizing fasciitis MRSA (methicillin-resistant Staphylococcus aureus)

True

Spirochetes are spiral-shaped or corkscrew-shaped organisms. True False

True

Sterile swabs are used to obtain a specimen from a wound, abscess, or incision to test for pathogenic microorganisms. True False

True

Streptococcal organisms are part of the normal flora of the upper respiratory tract and skin. True False

calibration devices

Test strips or cartridges designed to produce a predetermined result are called ________. control solutions calibration devices specimens reliable samples

skin

The ________ is (are) a common site of infection by Staphylococcus aureus. lungs liver skin larynx

condenser

The ________ is the lens system on the microscope that is used to increase light for sharper focus. objectives adjustment knobs condenser iris diaphragm

autoclave

The ________ is used for sterilizing equipment and instruments used on patients. incubator autoclave centrifuge photometer

outside

The ________ laboratory handles specimens collected from many types of facilities and performs tests ranging from simple to very complex. hospital physician office reference outside

reference

The ________ laboratory may be associated with a specific teaching hospital or medical school, or it may be independently owned. hospital physician office reference outside

resolution

The ________ of a microscope refers to the ability to distinguish clearly between two adjacent, but distinct, objects. height power magnification resolution

Treponema pallidum

The causative agent of the sexually transmitted disease syphilis is the spirochete ________. Borrelia burgdorferi Treponema pallidum Streptococcus pyogenes Trichomonas vaginalis

piece of sticky tape

The collection of specimens of the parasite Enterobius vermicularis is done using a ________. stool test loop piece of sticky tape needle

Bunsen burner

The following pieces of equipment are commonly found in the medical laboratory, EXCEPT a(n) ________. autoclave Bunsen burner centrifuge refrigerator

above eye level

The safety rule for storage of caustic material is NOT to store it ________. below eye level above eye level in the lab refrigerator within 10 feet of the autoclave

mycology

The study of fungi is known as ________. morphology mycology microbiology serology

smallpox virus

Today, because of increased reliance on treatment with antibiotics to treat low-level infections, various microorganisms are mutating to resist treatment, producing all of the following, EXCEPT ________. vancomycin-resistant enterococci (VRE) methicillin-resistant Staphylococcus aureus (MRSA) smallpox virus carbapenem-resistant enterobacteriaceae (CRE)

Contact the patient to make an appointment with the practitioner.

What would be the best action for the medical assistant to take if the physician has determined that a patient had abnormal laboratory results? Mail a letter to the patient detailing the results. Instruct the patient call the laboratory for the results. Wait until the patient's next appointment to discuss results. Contact the patient to make an appointment with the practitioner.

inoculated

When growing cultures, the agar is ________ to separate pathogenic colonies of organisms from colonies of normal flora. fixed collected inoculated agglutinated

Simple complexity

Which category does not fall under the Clinical Laboratory Improvement Amendments (CLIA)? Waived Simple complexity Moderate complexity High complexity

Determining prognosis

Which is NOT a role of the clinical laboratory? Screening for diseases Establishing baseline levels Ruling out a condition Determining prognosis

10

Which microscope settings would be used to view epithelial cells, such as skin scrapings? 10 40 70 100

Collect specimen 2 hours after the patient eats.

Which of the following could be directions for collecting a postprandial specimen collection? Patient is to fast for 8 hours before collection. Collect specimen 30 minutes before the patient eats. Patient is to fast for 12 hours before collection. Collect specimen 2 hours after the patient eats.

Malaria

Which of these diseases or conditions is caused by a parasite? Pneumonia Malaria Shingles Rheumatic heart disease

Yeast infection

Which of these is caused by a fungus? Trichomoniasis Gonorrhea Yeast infection Osteomyelitis

Cytogenetics

Which test is categorized as a Level II? Fecal occult Rapid Streptococcus Cytogenetics Hematology

Open-toed, non-skid shoes

Which would NOT be acceptable professional appearance in the laboratory? Closed-toe shoes Fingernails short, well-manicured Hair pulled back Open-toed, non-skid shoes

A wire inoculating loop

_______ is (are) an instrument that is used for quadrant streaking to isolate pathogenic colonies of organisms from normal flora in a culture grown in a Petri dish. A needle Incineration equipment A wire inoculating loop Culture media

Spirilla

________ are curved or spiral rods that can be arranged singly or in strands. Diplococci Staphylococci Spirilla Streptococci

Bacilli

________ are rod-shaped bacteria that are the causative agent of diphtheria. Rickettsia Vibrios Bacilli Cocci

Staphylococci

________ forms grapelike clusters of pus-producing organisms and is the causative agent of boils, pimples, acne, and osteomyelitis. Streptococci Staphylococci Bacilli Diplococci

Gram-negative broth

________ is a common culture medium for fecal microorganisms. Blood agar Chocolate agar Eosin-methylene blue (EMB) Gram-negative broth

Serology

________ is the study of antigen and antibody reactions of the body's immune system. Serology Microbiology Morphology Pathology

Level I

________ tests are moderately complex and include analysis of specimens in the areas of chemistry and hematology. Level I Level II Certificate of Waiver Level III

Certificate of Waiver

________ tests are the least complex and will have the least risk if they are performed incorrectly. Level II Level I Certificate of Waiver Level III