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LABCE EXAM QUESTIONS AND ANSWERS
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LABCE EXAM QUESTIONS AND ANSWERS
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LABCE EXAM QUESTIONS AND ANSWERShCG (human chorionic gonadotropin) - Answers- gestational trophoblastic disease
Beta hCG - Answers- Which of the following tumor markers is associated with testicular
cancer?
CEA, or Carcinoembryonic Antigen - Answers- Colon cancer marker
CYP450 - Answers- Which enzyme is responsible for the rate-limiting step of steroid
hormone synthesis?
17- and 21-hydroxylases - Answers- enzymes that hydroxylate their specific carbons in
steroidogenesis
Cold agglutinin disorders - Answers- The arrangement of erythrocytes on this
peripheral blood smear may be seen in each of the following conditions EXCEPT?
Hypergammaglobulinemia
Cold agglutinin disorders
Monoclonal gammopathy
Chronic infection
Donated by a donor for a recipient other than the donor to use - Answers- What is
considered the definition of allogeneic blood 同种异体血?
Petechiae - Answers- Which of the following is a common clinical symptom that is
directly related to thrombocytopenia?
Neisseria gonorrhoeae - Answers- The most common organism that causes septic
arthritis in patients under 30 years of age is:
Lymphocyte - Answers- Which of the following major cellular elements does not
develop solely in the bone marrow?
Monocyte
Neutrophil
Lymphocyte
Macrophage
A compound with both a carbonyl and alcohol group. - Answers- What is a hemiacetal?
Hybridization - Answers- Mycobacterium tuberculosis can be identified from body fluids
in disseminated infections through molecular testing. In fact, antibiotic resistance can be
detected in this organism as well by using isothermal amplification. However, this
, organism must be grown in culture before testing can be performed. All of the following
are examples of isothermal amplification methods EXCEPT?
Loop-mediated isothermal amplification (LAMP)
Nucleic acid sequence-based amplification (NASBA)
Hybridization
Helicase dependent amplification (HDA)
EIA or indirect immunoflourescence - Answers- Which of the following serological tests
would be used for the diagnosis of Q-fever?
The Weil-Felix test - Answers- detects cross-reacting rickettsia antibodies by using
Proteus vulgaris.
The Quellung test - Answers- utilizes antibodies to bind to the bacterial capsule, which
can be used to identify serotypes of Streptococcus pneumoniae.
Beta - Answers- Hemoglobin H (HbH) bodies are tetramers of which globin chain?
Triglyceride - Answers- Which of the following lipid results would be expected to be
MOST falsely elevated on a serum specimen from a non-fasting patient?
Liver disease and Vitamin B12 deficiency - Answers- Which of the following conditions
would have macrocytic red cells?
Actinomycosis - Answers- The organism depicted in the image to the right is found as
normal flora of the mouth, GI, and genital tracts; it is known to cause a chronic disease
that exhibits abscesses, tissue fibrosis, and draining sinuses. What is the name of this
chronic disease?
Bence-Jones protein - Answers- a special protein found in the blood and urine,
indicative of multiple myeloma
Immunoelectrophoresis - Answers- Which of the following methods may be employed
to definitively identify Bence-Jones proteins?
Iontophoresis - Answers- Which of the following methods would be employed to collect
sweat for chloride analysis:
The detection of the S. aureus genes (orfX, nuc, or coa) gene and the mecA gene. -
Answers- What is successful molecular identification of methicillin-resistant
Staphylococcus aureus (MRSA) based upon?
Often vancomycin-resistant
aminoglycoside resistant
arabinose positive
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