[2023年04月23日] ASCP-MLTのPDFで最近更新された問題です集試験点数を伸ばそう
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質問 227
Joint pain is a common early symptom of HH. Cirrhosis of the liver, cardiomyopathy, and diabetes are late symptoms of HH.
What is a common early symptom of hereditary hemochromatosis (HH)?
- A. Cardiomyopathy
- B. Joint pain
- C. Cirrhosis of the liver
- D. Diabetes
正解: B
質問 228
Atherosclerosis is a hardening of an artery specifically due to the build up of plaque. The risk to patients with significant atherosclerosis is that eventually a narrowing of the artery (stenosis) can cause a reduction in oxygen delivery to tissues and plaque rupture can lead to an acute coronary event.
Atherosclerosis is a hardening of an artery specifically due to which of the following?
- A. Build up of plaque
- B. Hypercalcemia
- C. Aggregation of platelets
正解: A
質問 229
Serum separator tubes should not be used for:
Question options:
- A. therapeutic drug tests
- B. blood bank tests
- C. serology tests
- D. all of the above
正解: D
質問 230
Class C fires involve:
Question options:
- A. electrical equipment
- B. wood
- C. grease or oil
- D. flammable materials
正解: A
質問 231
Which of the following tubes produces a serum sample?
Question options:
- A. green
- B. blue
- C. tiger (red-gray)
- D. pink
正解: C
質問 232
The Fc portion of immunoglobulin can activate the classical complement pathway, where the heavy chains, light chains, hinge regions and Fab portions cannot.
Which part of the immunoglobulin molecule is responsible for activating complement?
- A. heavy chains
- B. light chains
- C. Fab
- D. Hinge regions
- E. Fc
正解: E
質問 233
Which EBV markers would be MOST likely positive for an individual who had infectious mononucleosis 9 years ago?
- A. Anti-VCA (IgM) and heterophile
- B. Anti-VCA (IgG) and anti-EBNA
- C. None of the markers would be positive after 9 years
- D. All would still be positive
正解: B
質問 234
Bacterial contamination of platelets is most likely because they are stored at room temperature.
Bacterial contamination is MOST likely in which of the following blood products?
- A. Red Blood Cells
- B. Fresh Frozen Plasma
- C. Red Blood Cells Frozen
- D. Platelets
正解: D
質問 235
Osteoblasts are generally seen in clusters while plasma cells are often more diffusely distributed. Osteoblasts have delicate cytoplasm, whereas plasma cells have dense basophilic cytoplasm with a perinuclear halo.
Hematology
The large cell shown in the illustration to the right is occasionally seen in the bone marrow and can be mistaken for a plasma cell - what is this cell called:
- A. Myeloblast
- B. Stem cell
- C. Osteoblast
- D. Megakaryoblast
正解: C
質問 236
Which of the following cardiac biomarkers rises within 30 minutes - 4 hours after chest pain, peaks in 2 - 12 hours, and is usually normal within 24 - 36 hours.
- A. Myoglobin
- B. CK-MB
- C. Cardiac troponins
正解: A
質問 237
Which of the following legislation was developed to protect the privacy of all patient information in the health care?
- A. Occupational Safety and Health Administration (OSHA)
- B. Clinical Laboratory Improvement Amendments (CLIA)
- C. Clinical Laboratory Standards Institute (CLSI)
- D. Health Insurance Portability and Accountability Act (HIPPA)
正解: D
質問 238
Sterile yellow stopper tubes contain thixotropic gel and a clot activator.
Question options:
- A. True
- B. False
正解: B
質問 239
Transmission-based precautions isolation categories include all of the following except:
- A. airborne.
- B. blood and body fluids.
- C. droplet.
- D. contact.
正解: B
質問 240
The DAT, or direct antiglobulin test, is used to detect antibodies coating RBC's in vivo.
The Direct Antiglobulin Test (DAT) is usually used to detect:
- A. Antibody-hapten reactions
- B. Antigens in the plasma
- C. Antibodies in the plasma
- D. Antigens coating red cells
- E. Antibodies coating red cells
正解: E
質問 241
RAST tests, or Radioallergosorbent tests, are used to screen for an allergy to a specific substance or substances if a person presents with allergy-like symptoms.
The assay which is most helpful in identifying specific allergens is:
- A. C-reactive proteins
- B. RIA
- C. RAST
- D. Complement fixation
正解: C
質問 242
This patient is most likely suffering from sickle cell anemia. This cell, which is sickle-shaped, is indicative of the presence of hemoglobin S. Polychromasia is also commonly observed in sickle cell anemia.
After experiencing crippling pain in her chest, Elizabeth's mother rushes her to the Emergency Room. After a complete blood count and differential are ordered, the hematology technologist views many peripheral cells similar in appearance to those found in the image below. Which condition is most likely present?
- A. myocardial infarction
- B. beta thalassemia
- C. sickle cell anemia
- D. hemoglobin c disease
正解: C
質問 243
If your reactions are strong at immediate spin (3+) and then get weaker at AHG (w+), it could mean the presence of a strong cold antibody.
Cold antibodies tend to be IgM and their optimum phase for reactivity is immediate spin. Incubation and washing of the sample may cause the agglutination that occurred at room temperature to break down. This would appear as a weaker reaction at AHG.
If the reaction strengths varied in each panel cell then that could be an indication that there are multiple antibodies present.
Your screen cells are 3+ at immediate spin and weak (W)+ at AHG. Your auto control is negative for both phases. Some of your antibody panel cells are 3+ at immediate spin and negative at AHG. What should you suspect?
- A. A cold antibody may be present
- B. Bad specimen draw
- C. A warm autoantibody is present
正解: A
質問 244
The personal protective equipment (PPE) that is used in the laboratory to protect the personnel when performing tests on patient blood samples is which of the following:
- A. Coat or gown
- B. A and B only
- C. Goggles and mask
- D. Gloves
正解: B
質問 245
FAB M5 is acute monoblastic leukemia
FAB M1 is acute myeloblastic leukemia without maturation
FAB M3 is acute promyelocytic leukemia
FAB M4 is acute myelomonocytic leukemia
Which FAB designation is called the "true" monocytic leukemia and is characterized by monoblasts, promonocytes, and monocytes?
- A. FAB M3
- B. FAB Ml
- C. FAB M4
- D. FAB M5
正解: D
質問 246
Spirochetes such as Borrelia and Treponemes are best visualized using darkfield microscopy. Borrelia, which causes Relapsing fever, can be visualized under darkfield microscopy of wet preps of peripheral blood.
Treponema can be visualized by darkfield microscopy of early primary lesions, and aspirates of affected lymph nodes.
Which of the following organisms is best visualized by use of a darkfield microscope:
- A. Entamoeba
- B. Borrelia
- C. Campybacter
- D. Streptococcu
正解: B
質問 247
Tan stopper tubes are used for reticulocyte counts.
Question options:
- A. True
- B. False
正解: B
質問 248
Patients with antibody to the following antigen are immune to Hepatitis B:
- A. Surface antigen
- B. Delta antigen
- C. antigen
- D. Core antigen
正解: A
質問 249
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