8 - Part 3 Flashcards
Which of the following is the specimen of choice for testing acid-base balance and respiratory status of a patient?
arterial blood
By far, the most Americans die each year from:
septecemia
Which of the following is used to help in the diagnosis of diabetes mellitus?
HbA1c
Postprandial refers to:
after eating
Which of the following evacuated tubes is appropriate for the collection of a blood culture specimen?
yellow topped tube
To obtain the blood trough level for a medication, the patient’s blood should be collected:
Immediately before administering the medication
Which of the following is the minimum hematocrit value a blood donor must have to give a blood donation?
38%
The health care worker’s thumb should not be used for palpating arteries in the arterial puncture procedure because the thumb:
has a pulse that can be confused with the patient’s pulse
Which of the following medications has a shorter half-life and therefore requires exact timing in blood collection for its therapeutic level?
gentamicin
Normally, after an adult ingests the 75 grams of glucose for the glucose tolerance test, the glucose level should return to normal within how many minutes?
120 minutes
Milk Sugar
Lactose
Therapeutic phlebotomy is used in the treatment of:
polycythemia
For a donor to donate blood, his or her oral temperature must not exceed:
37.5 celcius
When is postprandial glucose test, a blood specimen is collected?
2 hours after a meal
The preferred, noninvasive method for testing lactose tolerance is measuring ___hydrogen content.
breath
What is Therapeutic phlebotomy?
It is the intentional removal of blood for therapeutic reasons.
Most TDM assays should be performed on ___ or ____
serum, plasma
Blood cultures are often collected from patients who have fevers of ________ _____.
unknown origin
Presence of bacteria in the blood is referred to as ________.
bacteremia
The ________ blood culture bottle must be inoculated first in all procedures except the butterfly assembly method.
anaerobic. Then the butterfly method is aerobic first due to the air in the line.
For the GTT, it is not recommended to exercise for ________ hours before the test procedure.
12 hours
ABGs stands for ________.
Arterial Blood Gases
A, B, AB, and O are blood ________.
types
How can veins be located in the difficult-access patient without the need to repalpate?
You can use a near infrared light device or ultra-sound for precise location of the vein.
The reason for performing the modified Allen Test is to
determine that the ulnar and radial arteries provide collateral circulation
What is a cannula?
A cannula is a tubular instrument used to gain access to venous blood
Which of the following is a milk sugar that sometimes cannot be digested by individuals?
Lactose
What supply is not used in an ABG determination?
A tourniquet. We don’t want to shut of the arterial circulation.
Which evacuated tube is used for the collection of a blood culture specimen? (color)
Yellow topped evacuated tube
During a glucose tolerance test, what do we want to encourage the patient to do?
Drink plenty of water throughout the procedure
Blood collection for lead should occur in which evacuated tube container (color)?
Tan
When blood is drawn from the radial artery for an ABG determination, the needle should be inserted at ___ degrees
30
The primary difference between plasma & serum is that only plasma contains
Fibrogen
One of the reasons that serum is more common for testing than plasma is that serum contains more
antigens
Wearing of artificial nails especially increases the risk of haboring—-
gram-negative bacteria
What is the nerve most often injured with venipuncture?
median nerve
In a blood count, a “shift to the left” usually refers to an increased number of immature
neutrophils
Agglutination of RBCs results in a reaction between
antigens & antibodies.
Agglutination is the clumping of RBCs.
At which life stage do most drug addictions first develop?
adolescence
Crime laboratories are involved in:
analyzing trace evidence at a crime scene
Another term for a medical examiner’s office is the:
coroner’s office
The chain of custody means:
the specimen is tracked at every step
Random drug testing programs are commonly used for safety- or security-sensitive jobs. In these programs, drug tests are performed:
at unpredictable times
Which of the following has an effect on the ability to detect drugs in an individual?
metabolic rate, dosage, and testing cutoffs
Which of the following is an acceptable form of identification for an individual being tested for drugs?
an employer-issued photo identification badge
A sensory examination of a urine specimen for drug testing should include:
checking the color and odor of the specimen
If testing a urine specimen for drugs, when should the temperature of the specimen be taken?
within 4 minutes after the donor provides the specimen
EPO enhances athletic performance by:
increasing oxygen-carrying capacity and endurance
When driving your personal vehicle, the legal limit in all 50 states for blood alcohol content (BAC) is:
0.08%
BAC is most commonly measured using which of the listed specimens:
breath, blood, and urine
A commin way to assess sobriety is:
asking the driver to walk a straight line, heel to toe
A device for screening BAC whereby the subject breathes into a mouthpiece is called a:
breathalyzer
A laboratory report that is either “positive or negative” would be considered a ______ result.
qualitative.
Quantitative is specific amounts ml, mg….
Reasonable suspicion or for-cause drug tests (can or cannot) be performed in the workplace.
can
Alcohol is an illicit drug. T or F
F
Sometimes soap is used as an adulterant for urine specimens that are to be tested for drugs. T or F
T
Anabolic steroids are banned for student-athletes by the NCAA. T or F
T
The term used for intoxicated driving is ________.
DUI or DWI
Another term for tampering with a specimen is ________.
adulteration
A term used to mean after death is ________.
postmortem
________ is the same in all cells of the body.
DNA
In the past decade, rates of drug abuse, addiction, and deaths from lethal overdoses have: increased or decreased
increased
What is obtained through a lumbar puncture?
cerebrospinal fluid
Nasopharyngeal culture collection may be used to diagnose:
whooping cough
Creatinine clearance is determined through the use of:
Urine specimen
A fluid examined to determine the effectiveness of a vasectomy, investigate the possibility of sexual criminal charges, and assess fertility is:
Semen
Which of the following types of urine specimens is the “cleanest,” or least contaminated?
midstream specimen
Amniotic fluid can be found:
around the fetus in the uterus
A 24-hour urine specimen can be collected to test for:
creatinine clearance
Pericardial fluid is collected from the:
heart cavity
Throat cultures are most commonly obtained to determine the presence of a:
Streptococcus infection
The fluid collected from a joint cavity is:
synovial fluid
The sweat chloride test is performed on infants with a positive:
newborn screen
The FOBT is an abbreviation for the test to detect:
Occult blood
Skin tests are used to determine whether a patient has ever had contact with:
a particular antigen and has produced antibodies to that antigen
A urine C&S should be performed on a:
clean catch midstream
The most convenient type of urine specimen to collect is the:
random specimen
The O&P analysis is requested on:
fecal specimens
What type of urine specimen is needed to detect an infection?
clean-catch
Occult blood analysis is frequently requested on:
fecal specimens
CSF stands for ____
cerebrospinal fluid
What is included in the routine UA?
The routine UA can be either a first morning specimen or a random urine specimen.
A sterile plastic UA container for urine collection. For an infant it is a bag. Label the container on the side. The container should be transported for analysis 1 hour after voiding.
What are sputum specimens collected for?
The sputum samples are microbiology tests for pathogenic organisms, including TB.
Helicobacter pylori is a type of bacteria that causes:
peptic ulcers
Peritoneal fluid is located:
in the abdominal cavity
The sweat chloride test is used to diagnose:
cystic fibrosis
Fecal specimens are commonly collected in order to detect parasites T or F
T
