8 - Part 3 Flashcards by D Roy

Which of the following is the specimen of choice for testing acid-base balance and respiratory status of a patient?

arterial blood

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By far, the most Americans die each year from:

septecemia

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Which of the following is used to help in the diagnosis of diabetes mellitus?

HbA1c

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Postprandial refers to:

after eating

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Which of the following evacuated tubes is appropriate for the collection of a blood culture specimen?

yellow topped tube

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To obtain the blood trough level for a medication, the patient’s blood should be collected:

Immediately before administering the medication

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Which of the following is the minimum hematocrit value a blood donor must have to give a blood donation?

38%

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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

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Which of the following medications has a shorter half-life and therefore requires exact timing in blood collection for its therapeutic level?

gentamicin

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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

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Milk Sugar

Lactose

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Therapeutic phlebotomy is used in the treatment of:

polycythemia

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For a donor to donate blood, his or her oral temperature must not exceed:

37.5 celcius

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When is postprandial glucose test, a blood specimen is collected?

2 hours after a meal

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The preferred, noninvasive method for testing lactose tolerance is measuring ___hydrogen content.

breath

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What is Therapeutic phlebotomy?

It is the intentional removal of blood for therapeutic reasons.

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Most TDM assays should be performed on ___ or ____

serum, plasma

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Blood cultures are often collected from patients who have fevers of ________ _____.

unknown origin

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Presence of bacteria in the blood is referred to as ________.

bacteremia

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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.

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For the GTT, it is not recommended to exercise for ________ hours before the test procedure.

12 hours

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ABGs stands for ________.

Arterial Blood Gases

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A, B, AB, and O are blood ________.

types

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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.

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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

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

Sometimes soap is used as an adulterant for urine specimens that are to be tested for drugs. T or F

Anabolic steroids are banned for student-athletes by the NCAA. T or F

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