[Jul-2023] Download Real ASCP ASCP-MLT Exam Dumps Test Engine Exam Questions
New ASCP-MLT exam dumps Use Updated ASCP Exam
NEW QUESTION # 244
Which area of the laboratory can analyze a patient sample and be able to predict their risk of developing a disease?
- A. Clinical chemistry
- B. Blood banking/transfusion medicine
- C. Molecular testing
- D. Immunology
Answer: C
NEW QUESTION # 245
The presence of a clot is acceptable in:
- A. red stopper tubes
- B. light blue stopper tubes
- C. lavender stopper tubes
- D. green stopper tubes
Answer: A
NEW QUESTION # 246
If all newborns were tested, many positive DATs due to ABO incompatibility would be detected that are of no clinical significance.
Although many laboratories test infants born to group O Rh positive females due to the higher risk of ABO HDFN when the mother is group O, testing such infants is optional provided there is appropriate monitoring and follow-up for hyperbilirubinemia.
Blood Bank
Not performing direct antiglobulin tests (DATs) on newborns born to group O Rh positive mothers is acceptable good practice, providing there is appropriate surveillance and follow-up to detect hyperbilirubinemia.
- A. false
- B. true
Answer: B
NEW QUESTION # 247
A slow, progressive drift of values away from the mean is called a trend. Trends occur when a particular analyte value slowly and progressively changes in one direction from one run to the next. Monitoring data for trends is part of good laboratory practice and is one indicator of many that helps laboratorians determine whether the measurement system is fucntioning appropriately.
A slow, progressive drift of values away from the mean is called a:
- A. Coefficient of Deviation
- B. Variance
- C. Sh
- D. Trend
- E. Dispersion
Answer: D
NEW QUESTION # 248
The cells indicated by the arrows in the image are spherocytes. Spherocytes have a decreased surface to volume ratio and are therefore smaller with an increased MCHC. Spherocytes have lost their bi-concave shape and are spherical in shape, hence the name.
What are the cells that are indicated by the arrows in this peripheral blood smear image?
- A. Stomatocytes
- B. Spherocytes
- C. Echinocytes
- D. Elliptocytes
Answer: B
NEW QUESTION # 249
Assuming an alpha hemolytic reaction (not well seen in the image), viridans streptococcus and S. pneumoniae are the two possible responses. However, these colonies are far too mucoid for viridans streptococci; therefore,
S. pneumoniae is the most likely choice. Also, the colonies are much too large and the hemolytic reaction is wrong for S. pyogenes or S. agalactiae.
A patient was admitted to the hospital recently with an obvious infection. A sputum specimen was submitted and the microbiologist inoculated it to sheep blood agar. Based on the colony morphology and the alpha hemolysis seen in the image to the right, the most likely identification is:
- A. Streptococcus pneumoniae
- B. Streptococcus pyogenes
- C. Streptococcus agalactiae
- D. viridans streptococcus
Answer: A
NEW QUESTION # 250
Caffeine benzoate solution is used to split the unconjugated bilirubin protein complex releasing the bilirubin so that it can react with diazotised sulphanilic acid. The tartrate buffer creates an alkaline solution and converts the red acid bilirubin to a green coloured compound which can be measured spectrophotometrically.
Which substance is used in the Jendrassik-Grof method to accelerate the reaction of unconjugated bilirubin with the diazo reagent?
- A. caffeine
- B. acetic acid
- C. N-butanol
- D. NADH
Answer: C
NEW QUESTION # 251
The agency within Department of Health and Human Services (DHHS) responsible for implementing CLIA'88 is:
- A. Centers for Medicare & Medicaid Services (CMS)
- B. Clinical and Laboratory Standards Institute (CLSI)
- C. Health Insurance Portability and Accountability (HIPPA)
- D. Commission on Office Laboratory Accredition (COLA)
Answer: A
NEW QUESTION # 252
Convert the following temperature from Celsius to Fahrenheit
-10 degrees C
Question options:
- A. 14 degrees F
- B. 77 degrees F
- C. 68 degrees F
- D. 39.2 degrees F
Answer: A
NEW QUESTION # 253
he last choice in this question is false. Rocky mountain spotted fever is NOT geographically restricted to the Rocky mountain region. In fact, according to the CDC, this disease is widely distributed east of the Rocky Mountains and also occurs in limited areas on the Pacific Coast.
Which one of the following statements is false?
- A. Rocky mountain spotted fever is almost always geographically restricted to the Rocky mountain region
- B. Rickettsia rickettsii causes Rocky mountain spotted fever
- C. Ehrlichiosis is transmitted by the lonestar tick
- D. Rickettsial infections are usually best diagnosed by specific serology, rather than the Weil-Felix test
Answer: A
NEW QUESTION # 254
Black stopper tubes are used for glucose collections.
Question options:
- A. True
- B. False
Answer: B
NEW QUESTION # 255
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. Gold top
- B. Green top
- C. Lavender top
- D. The order of draw is not important.
Answer: C
NEW QUESTION # 256
Monoclonal antibodies are monospecific antibodies that are the same because they are made by one type of immune cell which are all clones of a unique parent cell, also called a hybrid cell line, which usually arise from a hybridoma. The fusion of a specific antibody-producing lymphocyte with a myeloma cell will multiply to become a source of pure monoclonal antibody. This is often used in the manufacturing process for monoclonal antibody reagents.
Monoclonal antibodies are usually manufactured in vitro by using:
- A. Cytotoxic T cell
- B. Cultured T cells
- C. Human plasma cells
- D. Hybridomas
Answer: D
NEW QUESTION # 257
The correct answer which best fits the characteristics in this question is Mycobacterium kansasii.
The remaining Mycobacterium strains can be elimated as:
Mycobacterium marinum is considered a fast-grower.
Mycobacterium scrofulaceum produce deep-yellow to orange pigmented colonies when grown in the either the light or dark.
Mycobacterium avium grows colonies which are nonpigmented in the light and dark which do not intensify after light exposure.
What is the MOST likely identification of an acid-fast bacillus that demonstrates the following characteristics?
slow growth
cream to tan colored colonies when grown in the dark
development of yellow pigment upon exposure to light
- A. Mycobacterium scrofulaceum
- B. Mycobacterium avium
- C. Mycobacterium kansasii
- D. Mycobacterium marinum
Answer: C
NEW QUESTION # 258
A cardiac risk profile is performed in:
- A. serology.
- B. coagulation.
- C. hematology.
- D. chemistry.
Answer: D
NEW QUESTION # 259
Rule-out is a process by which antibodies are identified as being unlikely in a given sample because of the absence of an expected antigen-antibody reaction. In other words, the absence of a reaction is noted with a cell that is positive for the corresponding antigen.
Although rule-out procedures may vary somewhat from institution to institution, the following general principles apply:
Non-reactive cells are selected for rule-out. To be classified as non-reactive, a cell must NOT have reacted at any phase of testing in a given panel or screen.
Using the logic that if the rule-out cell is positive for a given antigen, it should have reacted with the corresponding antibody, you can rule-out antibodies that correspond to antigen positive cells.
To increase the probability that rule-out will not mistakenly eliminate a weakly-reacting antibody that exhibits dosage*, use only cells that are homozygous for the corresponding antigen for those systems that generally show dosage. Generally these include: C, c, E, e, Fya, Fyb, Jka, Jkb, M, N, S, and s.
In this case, it is only possible to rule out on screening cell 2 since it demonstrates a negative reaction with the patient serum. Anti-C cannot be ruled out since the C antigen is heterozygous on screening cell 2 with c.
Anti-Fya cannot be ruled out since this antigen is not present on screening cell 2. Anti-M and anti-Jka can be ruled out since the antigens are homozyous while demonstrating a negative reaction on screening cell 2.
Rule-out, while very useful, can lead to error. Ruling out an antibody should be combined with other supporting data to increase confidence in the solution; the more data collected, the higher the probability that the final solution is correct.
*Dosage means that there are two "doses" of the same antigen present on the red cells . Antibodies that exhibit dosage react more strongly with homozygous cells (e.g., Jka Jka) than with heterozygous cells (e.g., Jka Jkb) .
Based on the phenotype of the RBC screening cells, and patient results shown on the right, which of the following antibodies CANNOT be ruled out?
- A. Anti-M
- B. Anti-Fya
- C. Anti-Jka
- D. Anti-C
Answer: B,D
NEW QUESTION # 260
S. aureus does not have capsular material as a defense mechanism. H. influenzae, K. pneumoniae, N.
meningitidis, and S. pneumoniae each have capsular material use as a defense mechanism. This capsular material is an antiphagocytic substance which helps deter bacterial death by macrophages and other white blood cells.
Microbiology
Which one of the following does NOT have capsular material as a defense mechanism?
- A. K. pneumoniae
- B. S. pneumoniae
- C. N. meningitidis
- D. H. influenzae
- E. S. aureus
Answer: B
NEW QUESTION # 261
Fibers can be mistaken for casts on occasion, especially hyaline casts. Fibers, however, are usually thinner and appear less uniform in structure than casts do.
Urinalysis & Other Body Fluids
Which of the following artifacts may be mistaken for casts?
- A. Air bubbles
- B. Fibers
- C. Talc particles
- D. Coverslip scratches
Answer: B
NEW QUESTION # 262
As a general rule, CSF glucose is about two thirds of the serum glucose measured in a normal adult.
Chemistry
Which of the following would be considered a normal cerebrospinal fluid glucose if the serum glucose is 70 mg/dl?
- A. 70 mg/dl
- B. 60 mg/dl
- C. 30 mg/dl
- D. 45 mg/dl
- E. 100 mg/dl
Answer: C
NEW QUESTION # 263
In Rouleaux, red blood cells appear as stacked coins - formation occurs as the result of elevated globulins or fibrinogen.
The RBCs indicated by the arrows in this illustration are the result of:
- A. Sickle cell anemia
- B. Over drying of blood smear
- C. Cold agglutinins
- D. Rouleaux formation
Answer: D
NEW QUESTION # 264
Cholesterol levels do not fluctuate as triglycerides, fatty acids, lipoproteins, and chylomicrons do after an individual eats a meal. This is the reason that patients are told to fast; the laboratory needs a fasting sample to determine a lipid profile or panel which includes the latter four components.
Which of the following lipid tests is LEAST affected by the fasting status of the patient?
- A. Chylomicrons
- B. Triglycerides
- C. Cholesterol
- D. Lipoproteins
- E. Fatty acids
Answer: C
NEW QUESTION # 265
The renal threshold is the maximum amount of a substance that the kidney can prevent from entering into the urine.
UA & body fluids
The renal threshold is best described as:
- A. Concentration at which kidney failure begins
- B. Concentration at which kidney can no longer filter the blood
- C. Concentration at which a substance in the blood spills into urine
- D. Concentration at which reabsorption first occurs
Answer: C
NEW QUESTION # 266
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