40 Questions
What is the purpose of administering a gastric stimulant in the gastric sample collection procedure?
To stimulate gastric acid secretion
What is the role of the phlebotomist in the gastric sample collection procedure?
To help label specimens and draw blood for serum gastrin determinations
What is the primary purpose of collecting nasopharyngeal secretions?
To detect the presence of microorganisms that cause diseases
What type of swab is used to collect nasopharyngeal secretions?
Sterile Dacron, rayon, or cotton-tipped flexible wire swab
What is the purpose of rotating the swab in the nasopharynx?
To gently collect the secretions
What is the purpose of the transport medium in the sterile tube?
To preserve the microorganisms
What is the name of the hormone that stimulates gastric acid secretion?
Gastrin
What is the purpose of collecting gastric samples at timed intervals?
To monitor the effect of the gastric stimulant
What is the primary reason for collecting sweat specimens in patients with cystic fibrosis?
To measure the amount of chloride in sweat
What is the purpose of iontophoresis in the sweat chloride test?
To transport pilocarpine into the skin
Why is the forearm the preferred site for the sweat chloride test?
It is a more accessible area
What is the typical color of synovial fluid?
Pale yellow
What is the primary purpose of joint aspiration?
To collect synovial fluid for diagnostic purposes
What is the normal state of synovial fluid in terms of its amount?
It normally occurs in small amounts
What is the purpose of collecting sweat specimens on patches for extended periods of time?
To detect long-term illicit drug use
What is the term for the procedure that collects synovial fluid?
Arthrocentesis
What is the primary purpose of examining fecal specimens?
To diagnose diseases of the digestive tract, liver, and pancreas
What is the primary location for bone marrow collection?
Iliac crest (hip bone)
Which of the following is NOT a type of test included in stool analysis?
Radiological tests
What is the purpose of Hematologic studies in bone marrow collection?
To study blood cell characteristics
What is the purpose of the guaiac test in stool analysis?
To identify the presence of occult blood
What is the primary function of the enzyme urease in the C-urea breath test?
To break down urea
What is the purpose of O&P testing in microscopic analysis?
To look for parasites and their ova or cysts
What is the main purpose of the hydrogen breath test?
To measure digestion of carbohydrates
Which of the following microorganisms can be detected through microbiological analysis?
All of the above
Which of the following is a complication of chronic gastritis?
Peptic ulcer disease
What is the purpose of collecting hair samples?
For trace and heavy metal analysis, detection of chronic drug use, and DNA analysis
Where should nail clippings be taken from for heavy metal testing?
From all 10 nails (either fingernails or toenails)
What is the typical volume of bone marrow specimen collected?
1-1.5 mL
Which of the following tests is used to detect bacterial overgrowth in the small intestine?
Hydrogen breath test
What is the purpose of quantitative fecal fat analysis?
To measure the amount of fecal fat
What is the function of the special large-gauge needle in bone marrow collection?
To penetrate the bone marrow
What is the primary purpose of a skin prick test?
To identify allergic reactions to everyday substances
What is the purpose of the Mantoux tuberculin skin test?
To determine an individual's immune response to Mycobacterium tuberculosis
What is the purpose of collecting throat swab specimens?
To diagnose streptococcal throat infections
What is a biopsy?
The removal of a tissue sample for examination
Where can a skin prick test be performed?
In a physician's office
What is the difference between a skin prick test and a tuberculin skin test?
A skin prick test is for allergies, and a tuberculin skin test is for tuberculosis
What is the significance of the transport medium in the sterile tube?
It is used to transport the specimen and promote the growth of microorganisms
What is the purpose of culturing a throat swab specimen in a microbiology department?
To diagnose streptococcal throat infections
This quiz covers the procedures for collecting gastric samples and nasopharyngeal secretions, including the role of phlebotomists in labeling specimens and drawing blood.
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