The key to reducing the prevalence of antibiotic resistance is to:
a. prescribe antibiotics for all cases of the flu.
b. order antibiotics for a minimum of 2 days.
c. limit the use of antibiotics to one that is specific to the pathogen.
c. limit the use of antibiotics to one that is specific to the pathogen.
TRUE OR FALSE Microbiology specimens must be collected in sterile containers.
TRUE
Sterile containers prevent contamination of the specimen by outside microbes.
when is a syringe is preferred over a Vacutainer collection device when:
a. the patient’s veins are fragile.
A urinary tract infection of one or both of the kidneys is:
Polynephritis
The valve between the left upper and lower chambers of the heart is the:
The bicuspid or mitral valve is found between the left atrium and left ventricle.
Which of the following requires the laboratory employer to have a written exposure control plan to protect the lab’s employees?
a. OSHA’s Bloodborne Pathogens Standard
b. CDC’s universal precautions
c. CDC’s standard precautions
d. OSHA’s SDS standard
a. OSHA’s Bloodborne Pathogens Standard
The Bloodborne Pathogens Standard requires that the laboratory employer have a written exposure control plan that proves the following steps have been taken to protect the lab’s employees.
Spermatogenesis takes place in the seminiferous tubules.
a. True
A test that determines long-range blood glucose control is the:
. A1c.
A method of determining long-range blood glucose control is with the A1c or glycosylated hemoglobin test.
A patient with an inflammation of the gland inferior to the urinary bladder and surrounding the urethra has?
d. prostatitis.
Cardiomegaly is a ______ of the heart muscle.
enlargement
The microscope component that directs the light up through the slide is the:
condenser.
The condenser directs light up through the stage, and the iris diaphragm regulates the amount of light passing through the specimen.
The WBC count is lowest in newborns and highest in adults.
False
The normal WBC count varies with age. It is higher in newborns and declines throughout life.
The needle size most commonly used by a blood bank for donations units is:
16 G
The ___________ brings blood into the glomerulus and the ___________ takes blood away from the glomerulus.
afferent arteriole; efferent arteriole
A protrusion of one or both cusps of the valve on the left side of the heart back into the left upper chamber is:
d. mitral valve prolapse.
Mitral valve prolapse is a protrusion of one or both cusps of the mitral valve back into the left atrium during ventricular systole.
What is a multistage STD caused by the spirochete Treponema pallidum?
Syphilis
The average person produces approximately 3 L of urine each day.
b. False
The average volume of urine produced on a daily basis is 750 to 2,000 mL.
Which color Vacutainer tube is routinely used for hematology testing?
Lavender
The structure located where the vas deferens joins the urethra is the:
a. ejaculatory duct.
The ejaculatory duct begins where the seminal vesicles join the vas deferens, and this “tube” joins the urethra.
A blood test to measure the amount of LDH and CPK in the blood is a(n):
A cardiac enzymes test is a blood test that measures the amount of cardiac enzymes characteristically released during a heart attack (myocardial infarction). It determines the amount of lactate dehydrogenase (LDH) and creatine phosphokinase (CPK) in the blood.
The prefix staphylo- means that bacteria appear:
in grapelike clusters.
Rod-shaped bacteria are called bacilli, and spiral bacteria are called spirilla. Tightly coiled spirilla are called spirochetes. When bacteria are found in pairs, the prefix diplo-is used, and when they are found in grapelike clusters, the prefix staphylo- is used.
Somatic artifact appears as jagged peaks with irregular height and spacing.
a. True
Somatic tremor artifact appears as jagged peaks with irregular heights and spacing.
White blood cells with tiny grains within their cytoplasm are termed granulocytes or
polymorphonucleocytes.
Which substance when found in urine may indicate kidney damage?
c. Protein
Protein and blood cells are too large to be filtrated; therefore, when these substances appear in the urine, it may indicate kidney damage.
What is the medication classification of enoxaparin (Lovenox)?
Anticoagulant