My Commonly Missed Questions

which RBC component is indicated for preventing TA-GVHD?

Irradiated RBCs

which RBC component is indicated for patients with allergies to plasma components or patients with IgA deficiency?

Washed RBCs

which RBC component is indicated for reducing the risk of febrile transfusion reactions and preventing the transmission of leukocyte-associated pathogens?

Leukocyte-reduced RBCs

The ketone component that is measured by the nitroprusside reaction is:

Acetoacetic acid

This species of Candida accounts for around 20% of urinary yeast isolates:

Candida glabrata

Which type of lipoprotein is the least dense?

Chylomicrons

All of the following represent a 2 week temporary deferral from donating blood products EXCEPT:

German measles (rubella) vaccine

This ANA pattern is characterized by granular staining in the nuclei of the interphase cells (a). There is also an absence of staining in the chromosomal area of the metaphase mitotic cells (b). Which pattern is this?

Speckled

This image represents a field of RBCs stained with a supravital stain. How would these cells look if viewed on a Wright-stained smear?

Polychromatophilic RBCs

Identify the urine sediment elements shown by the arrow:

Note that these elements showed a Maltese cross pattern under polarized light.

Oval fat bodies

The American Diabetes Association (ADA) recommends reporting which of these values in order to correlate with hemoglobin A1c as a further indicator of glycemic control?

Estimated average glucose

Which of the following tumor markers is widely used for the detection of colorectal cancers?

CEA

Which of the following tumor markers is widely used for the detection of prostate cancer?

PSA

Can an autologous donor donate blood at 4PM on Monday if she is having surgery at 10AM on Wednesday?

No, the minimal allowable time between the last donation and surgery is 72 hours

Which of the following descriptors would apply to the bone marrow image?

High myeloid to erythroid (M:E) ratio; many WBC precursors, few RBC precursors, megakaryocyte present.

A patient presents to the ER with severe headaches, nausea, and vomiting. CSF chemistry results are:

Protein: 74 mg/dL (NR: 15-45)

Glucose: 53 mg/dL (NR: 40-85)

What is the most probable condition?

Viral meningitis

A patient presents to the ER with severe headaches, nausea, and vomiting. CSF chemistry results are:

Protein: 74 mg/dL (NR: 15-45)

Glucose: 38 mg/dL (NR: 40-85)

What is the most probable condition?

Fungal meningitis

A patient presents to the ER with severe headaches, nausea, and vomiting. CSF chemistry results are:

Protein: 69 mg/dL (NR: 15-45)

Glucose: 23 mg/dL (NR: 40-85)

What is the most probable condition?

Bacterial meningitis

Which of the following globin genes are found on chromosome 11?

Beta, gamma, epsilon

Which of the following globin genes are found on chromosome 16?

Alpha, zeta

Which of the following methods may be employed to definitively identify Bence-Jones proteins?

Immunoelectropheresis

A 36-year-old woman visits her physician after experiencing fevers, night sweats, and overall fatigue over the past 3 months. Upon physical exam, she displays lymphadenopathy. When a lymph node biopsy is performed, Reed-Sternberg cells, bands of fibrosis, and various-sized lymphocytes are noted.

What is the most likely diagnosis?

Hodgkin lymphoma

Which of the following cell markers are useful in the diagnosis of paroxysmal nocturnal hemoglobinuria (PNH)?

CD55 and CD59

Estrogen (ERs) and progesterone (PRs) receptors used as tumor markers are most commonly employed to provide prognostic information about:

Breast cancer

The serum of which of the following individuals may agglutinate group A1 cells?

A2 individual

With the genus Campylobacter, the lab test most helpful in selectively identifying Cempylobacter jejuni is:

Hippurate hydrolysis

A tech is working with a small gram negative coccobacillus that may be Francisella tularensis, Which of the following tests could the tech use to rule out his organism?

Catalase negative

A tech is reviewing the results of comparative studies between laboratory plasma glucose results and patient self-monitoring whole blood glucose results. Which results are expected?

The whole blood result is 11% lower

Which is the most common treatment for HDFN due to ABO incompatibility?

Phototherapy

All of the following anticoagulants will produce a significant effect on calcium levels in plasma EXCEPT:

Heparin

This ova are most commonly found in urine sediments from patients complaining of frequent urination, dysuria, hematuria, and recurrent UTIs. What is the presumptive identification of this ovum?

Schistosoma haematobium

Which of the following is classified as a Helminth?

Schistosoma mansoni

Eosinophils are increased in all the following conditions EXCEPT:

Viral infections

The term used to describe chest pain caused by inadequate supply of oxygen to heart myocardium is:

Angina

What is the composition of basophilic stippling?

Aggregation of ribosomes

What is the composition of Howell-Jolly bodies?

Aggregation of DNA

What is the composition of Heinz bodies?

Aggregation of hemoglobin

What is the composition of Pappenheimer bodies?

Aggregation of iron

All of the following Mycobacterium species produce pigments EXCEPT:

Mycobacterium fortuitum group

A deficiency in which of the following vitamins is associated with beriberi?

Thiamine

A deficiency in which of the following vitamins is associated with night blindness?

Vitamin A

A deficiency in which of the following vitamins is associated with scurvy?

Vitamin C

A deficiency in which of the following vitamins is associated with rickets?

Vitamin D

myelofibrosis is associated with which poikilocyte?

dacryocytes

abetalipoproteinemia is issociated with which poikilocyte?

acanthocytes

uremia is associated with which poikilocyte?

echinocytes

DIC is associated with which poikilocyte?

schistocytes

negative acute phase proteins

albumin and transferrin

positive acute phase proteins

alpha-1-antitrypsin, fibrinogen, haptoglobin, CRP, and ceruloplasmin

what is the new glod standard method for detection of c. diff?

NAAT

the egg is the infective stage of this parasite in humans. which parasite?

enterobius vermicularis

in which of the following conditions would you see pappenheimer bodies on the PB smear?

splenectomies

in which of the following conditions would you see heinz bodies in the PB smear?

G6PD deficiency

a lab test to determine heparin levels in patient plasma is:

anti-factor Xa assay

which cardiac biomarker could detect a recent reinfarction?

CK-MB