ASCP-MLT Practice Questions
MEDICAL LABORATORY TECHNICIAN - MLT(ASCP)
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Total Questions : 572
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Our free MLT(ASCP) practice questions crafted to reflect the domains and difficulty of the actual exam. The detailed rationales explain the 'why' behind each answer, reinforcing key concepts about ASCP-MLT. Use this test to pinpoint which areas you need to focus your study on.
This patient is most likely suffering from an immediate-acting coagulation inhibitor; most commonly, lupus anticoagulant. Notice that the addition of normal pooled plasma does not correct upon initial or incubated mix, which means that the inhibitor is not time or temperature-dependent.
Factor VIII is not the correct answer as a factor deficiency would have corrected upon the addition of normal pooled plasma. Factor VII is not the correct answer, as the aPTT assay does not account for factor VII activity or concentration.
The laboratorian completed the mixing study ordered for John Doe. The results are as follows:
Initial aPTT result: 167 seconds
Initial 1:1 Mix with Normal Pooled Plasma: 158 seconds
Incubated 1:1 Mix with Normal Pooled Plasma: 150 seconds
Which of the choices below would most likely explain the results for this patient?
As maturation continues in the granulocytic series the nucleus of the metamyelocyte becomes kidney or bean shaped.
Identify the cell in this illustration indicated by the arrow:
Vitamin K dependent factors are those that require Vitamin K for their synthesis in the liver. Vitamin K is an important factor to gamma-glutamyl carboxylase which adds a carboxyl group to glutamic acid residues on factors II, VII, IX and X, as well as Protein S, Protein
C.
In adding the gamma-carboxyl group to glutamate residues on the immature clotting factors Vitamin K is itself oxidized. Deficiency of Vitamin K due to malabsorption, liver disease, etc. may contribute to bleeding disorders because clotting factor maturation depends on Vitamin K.Which of these coagulation factors are referred to as "vitamin-K dependent?"
1. B
2. C
3. A
Granular casts are composed of plasma protein aggregates and cellular remnants. Granular casts appear as cylinders of coarse, or fine, highly refractive particles.
Broad casts or "renal failure' casts are formed in the collecting ducts as the result of urinary stasis and are two to six times the size of other types of casts. Any type of cast can be a broad cast. Broad casts are typically seen in patients with advanced renal failure.
Hyaline casts, the type most commonly seen in urine sediment, have a refractive index similar to the urine in which they are suspended. For this reason, hyaline casts will appear almost invisible under brightfield microscopy, but are easily of seen by phase-contrast microscopy.
Match the following descriptions of casts with their appropriate name:
1. Casts with highly refractive particles
2. "Renal failure" cast
3. Low refractive index
Which advancement in clinical science occurred during the second half of the twentieth century?
The cells are plasma cells. They are larger than normal small lymphocytes with more abundant cytoplasm. The cytoplasm is more basophilic than the cytoplasm of a normal lymphocyte and a well-defined perinuclear halo (clearing in the golgi area) is noticeable. The nucleus is eccentrically placed. Plasma cells are counted in a separate category on a bone marrow differential.
Hematogones are blast-like cells that are more mature than lymphoblasts. They are usually tallied with lymphocytes when performing a bone marrow differential.
What are the cells that are indicated by the red arrows in the image on the right?
