[2023年04月] 無料お試しASCP ASCP-MLT問題集PDFは必ずベストの問題集オプションを使おう
ASCP-MLT試験資料ASCP学習ガイド
質問 268
What is the best description of the purpose of the Commission on Office Laboratory Accreditation (COLA) pertaining to the clinical laboratory?
- A. CMS has given COLA deemed status to act on the government's behalf ot certify clinical laboratories
- B. Nonprofit educational group that establishes consensus standards for maintaining a high-quality laboratory organization
- C. Administers both CLIA '88 and Medicare programs
- D. Sets accreditation requirements for physician office laboratories (POLs)
正解: C
質問 269
Which of the following statements applies to the venipuncture procedure?
- A. Standard Precautions must be observed
- B. the procedure includes preparation of the patient
- C. all of the above
- D. selecting and preparing the puncture site is part of the procedure
正解: C
質問 270
The tube to the left is a slant of esculin medium, the tube to the right contains heart infusion broth with 6.5% sodium chloride. The bacterial species characteristically producing the positive reactions seen in each of these tubes is most likely:
- A. Enterococcus faecalis
- B. Listeria monocytogenes
- C. Streptococcus bovis
- D. Staphylococcus aureus
正解: D
質問 271
IgE levels are often increased in patients with allergic disease. IgE binds to the membranes of mast cells and basophils, and if specific antigen is present to react with the IgE molecule, degranulation of these cells occurs, releasing histamines, and other substances into the blood or tissues.
Which of the following immunoglobulin classes is chiefly responsible for the degranulation of mast cells and basophils:
- A. IgM
- B. IgE
- C. IgG
- D. IgA
正解: B
質問 272
Western blot analysis is frequently utilized as the confirmatory method of HIV detection.
Which of the following assays is routinely used for confirmation of HIV infections:
- A. Western blot
- B. Southern blot
- C. In-situ hybridization
- D. Radioimmunoassay
正解: A
質問 273
What is the CORRECT blood-to-anticoagulant ratio for coagulations tests?
- A. 10:1
- B. 4:1
- C. 5:1
- D. 9:1
正解: D
質問 274
The Westgard multi-rule 22S describes the scenario where two consecutive data points fall outside +2SD or
-2SD. If this occurs, then the run must be rejected. This situation is most likely caused by a systematic error.
Which of the following describes the Westgard multi-rule 22S?
- A. Two consecutive data points fall inside +2s
- B. Two control data points are within ± 2s
- C. Two consecutive data points fall outside +2SD or -2SD
- D. Two points are within 2SD
- E. One control data point falls outside +2s and a second point falls outside - 2s
正解: C
質問 275
Lavender stopper tubes can be used for all of the following except:
- A. platelet counts
- B. differential counts
- C. hematocrits
- D. coagulation tests
正解: D
質問 276
Patients who develop severe sepsis or septic shock commonly have increased plasma lactic acid values.
Patients who develop severe sepsis or septic shock commonly have __________ plasma lactic acid values.
- A. Normal
- B. Increased
- C. Decreased
正解: B
質問 277
This type of laboratory testing provides immediate assessment of the patient and can be performed at their bedside:
- A. Centralized laboratory
- B. Molecular testing
- C. Point-of-care testing (POCT)
- D. High complex testing
正解: C
質問 278
Thrombocytes, or platelets, are of course involved with hemostasis, not immunity.
Immunology
Which of the following would not be considered a part of the body's cellular immune system:
- A. Thrombocytes
- B. Macrophages
- C. Mast cells
- D. Neutrophils
正解: A
質問 279
The proper pH for a unit of platelets must be above 6.2. According to the FDA, accurate pH measurement is time dependent, and samples should be tested within 1 hour of sampling, or as suggested by the manufacturer of the pH measurement system. It is recommended that a pH meter or gas analyzer be routinely used rather than pH (nitrazine) paper. However, if the laboratory chooses to determine pH measurements with nitrazine paper, the selected paper should read in increments of one-tenth units, or it may provide inaccurate measurements. Maintaining proper pH requires at least 35 ml, but preferably 50-70 ml of plasma per platelet unit.
In order to prevent a loss of viability in platelet concentrates during storage the pH must be maintained above:
- A. 6.2
- B. 4.5
- C. 5.0
- D. 7.5
正解: A
質問 280
Sally is seeing her new primary care provider for the first time. When she signs in, she is asked to sign papers for the release of medical records, including her laboratory results. According to the Health Insurance Portability and Accountability Act (HIPAA), she must authorize release of records before
_______________would be permitted to receive and review her records.
- A. Her husband
- B. Her insurance company
- C. All answers are correct
- D. Her attorney
正解: C
質問 281
A normal hemoglobin molecule consists of a tetramer, of four heme and four globin chains, with a molecular weight of 64,500 daltons. Each of the four units can bind a molecule of oxygen for transport to the body's tissues. In the image shown below, there are four monomers (2 red globin chains and 2 blue globin chains) which form the entire hemoglobin tetramer structure. The green portions represent the 4 heme groups.
A normal hemoglobin molecule is comprised of the following:
- A. Ferrous iron and four globin chains
- B. Four heme and one globin chains
- C. Four heme and four globin chains
- D. One heme and four globin chains
正解: C
質問 282
An antithetical relationship exists between the antigens M and N. Antithetical relationships occur in situations where for a given locus, only one of two genes may be inherited, the alleles are termed antithetical alleles.
In immunohematology, an antithetical relationship exists between M antigen and which of these antigens?
- A. S
- B. Vw
- C. K
- D. N
正解: D
質問 283
Personal protective equipment (PPE) should be put on in the following order:
- A. gown, mask, and gloves
- B. mask, gloves, and gown
- C. gloves, gown, and mask
- D. gloves, mask, and gown
正解: A
質問 284
The concentration of circulating ferritin is proportional to the size of iron stores.
Which of the following will give the best overall picture of a patient's iron stores:
- A. Ferritin
- B. Albumin
- C. Haptoglobin
- D. Transferrin
正解: A
質問 285
The beta hemoglobin chain loci are found on which chromosome?
- A. Chromosome 16
- B. Chromosome 11
正解: B
質問 286
Microcontainer collection order of draw differs from regular peripheral blood collection order of draw. When performing a capillary draw, the lavender top container is obtained first. This decreases the possibility of clots in the container which would invalidate the results of the complete blood count test.
After the lavender is drawn, other containers with anticoagulants would be collected, and containers without anticoagulants would be collected last.
A phlebotomist must perform a skin puncture to obtain capillary specimens for a complete blood count (CBC), a plasma-based chemistry test, and a serum-based immunology test. The microcollection containers that will be used are lavender top containing EDTA anticoagulant, green top containing heparin anticoagulant, and gold top containing no anticoagulant. Which microcollection container should be collected first?
- A. Green top
- B. Lavender top
- C. Gold top
- D. The order of draw is not important.
正解: B
質問 287
Acute hemolytic transfusion reactions are most commonly due to ABO-incompatible blood being transfused to a recipient with naturally occurring ABO alloantibodies (anti-A, anti-B, anti A,B).
Acute intravascular hemolysis as the result of a blood transfusion is most often associated with which of the following causes?
- A. Allergies
- B. Passively transfused antibodies to HLA antigens
- C. Transfusion-associated graft-versus-host disease
- D. Transfusion of ABO incompatible red cells
正解: D
質問 288
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