test: POCT, special handling, and preparation Flashcards
Problems in fetal development can be detected by measuring what?
Alpha-fetoprotein
All but one refers to donor eligibility:
Adults over the age of 66 may be allowed to donate at the discretion of the blood bank physician
Weight should be at least 110 lbs
Should be within the ages 17 and 66 years
Minors must be verbal permission from their parents
Minors must be verbal permission from their parents
Which of the following is the preferred specimen for drug screening?
Serum
24-Hour urine
Whole Blood
Random urine
Random urine
Cross-matching involves the patient’s ______ and donor’s ___________.
plasma; red blood cells
red blood cells; plasma
serum; platelets
serum; plasma
plasma; red blood cells
Blood pressure cuff for bleeding time is maintained at _______ mmHg
40
Bleeding Time evaluates platelet plug formation.
True or False
True
What is detected in urine sample for pregnancy testing?
Human Chorionic Gonadotropin
What analyte is measured in sweat in diagnosing Cystic Fibrosis?
Chloride
hat is a clear, colorless liquid that circulates within the cavities surrounding the brain and spinal cord?
Cerebrospinal fluid
Which of the following is used to monitor heparin therapy?
None of the above
ACT
Both
HMT
Both
What is the common specimen used for routine drug screening?
Urine
Blood culture bottles are always collected first in the order of draw to prevent killing the microorganisms with other tubes.
True or False
False
For Oral Glucose Tolerance Test, the patient must eat balanced meals containing approx. 150 grams of carbohydrates for 3 days before the test.
True or False
True
Gastric fluid analysis measures hydrochloric acid and hydrogen concentration to evaluate stomach acid production.
True or False
False
Lactose Tolerance Test is used to determine if a patient lacks an enzyme (mucosal lactase).
True or False
True
What fluid is described to be clear which fills the membrane that surrounds and cushions a fetus in the uterus?
Amniotic fluid
Which of the following can a laboratory isolate the pathogen for whooping cough?
Nasopharyngeal swab
Midstream clean-catch urine
Amniocentesis
Lumbar tap
Nasopharyngeal swab
What is the molecule detected in stool samples for Guaiac test?
Hemoglobin
Glycosylated hemoglobin reflects average blood glucose during the preceding 4-6 weeks.
True or False
True
Sputum is the most frequently analyzed nonblood body fluid.
True or False
False
What is described to be a yellow watery fluid found between the double-layered membranes that enclose the pleural, pericardial, and peritoneal cavities?
Serous fluid
Which of the following is tested to identify or differentiate arthritis, gout, and other inflammatory conditions?
Saliva
Pericardial fluid
Synovial fluid
Pleural fluid
Synovial fluid
Which of the following is not routinely measured in the chemical analysis of urine?
Bacteria
RBCs
WBCs
Platelets
Platelets
What is the procedure performed for patients with polycythemia and hemochromatosis?
Therapeutic Phlebotomy
Alternate site testing is another name for Point-Of-Care Testing.
True or False
True
One of the most common tests performed by the blood bank is blood typing and screening.
True or False
True
First morning sputum specimens are preferred for diagnosis or monitoring of lower respiratory tract infections such as tuberculosis .
True or False
True
Saliva specimens should be refrigerated at 4 degree Celsius to ensure stability for laboratory testing.
True or False
False
Breath samples are collected and analyzed to detect what specific pathogen?
Helicobacter pylori
