The RDW is elevated on a CBC report. The smear would show? (p254, q237)
hypochromia
anisocytosis
poikilocytosis
Macrocytosis
anisocytosis
A urine specimen yields positive results for glucose and protein, but is otherwise unremarkable. These results likely indicate the patient has: (p225 q155)
Diabetes mellitus
Acute pyelonephritis
Renal tubular disease
Acute interstitial nephritis
Diabetes mellitus
After a penicillin injection, a patient rapidly develops respiratory distress, vomitting, and hives. This reaction is primarily mediated by? (p330, q116)
IgG
IgA
IgM
IgE
IgE
IgE is a response to an allergic reaction
Which of the following anaerobes is inhibited by sodium polyethanol sulfonate (SPS) (p422, q56)?
Bacteroides fragilis
Cutibacterium acnes
Peptostreptococcus anaerobius
Veillonella parvula
Peptostreptococcus anaerobius
Transfusion of which of the following is needed to help correct hypofibrinogenemia due to DIC? (p25, q176)
Whole blood
Fresh Frozen Plasma
Cryoprecipitated AHF
Platelets
Cryoprecipitated AHF
cryoprecipitate AHF consists of fibrinogen, which is used to help hypofibinogenemia, which is seen in DIC
Elevation of the total white cell count above 11.0 x 10^9/L is termed? (p234, q107)
Relative lymphocytosis
Absolute lymphocytosis
Leukocytosis
Relative neutrophilic leukocytosis
leukocytosis
Which of the following crystals may be found in acidic urine? (p216 q112)
Ammonium biurate
Calcium phosphate
Calcium oxalate
Triple phosphate
Calcium oxalate
Which of the following is the most common humoral immune deficiency disease? (p331, q129)
Bruton agammaglobinemia
IgG deficiency
Selective IgA deficiency
Wiskott-Aldrich syndrome
Selective IgA deficiency
The laboratory is considering adoption of rapid and sensitive “stand alone” method that detects Clostridiodes difficile toxins A and B. Which one of the following testing methodologies will provide this? (p434, q110)
Cell culture cytotoxin assay
Latex agglutination
Lecithinase
NAAT
NAAT
A group A, Rh-positive infant of a group O, Rh-positive mother has a weakly positive direct antiglobulin test and a moderately elevated bilirubin 12 hours after birth. The most likely cause is: (p27, q191)
ABO incompatibility
Rh incompatibility
Blood group incompatibility due to an antibody to a low frequency antigen
Neonatal jaundice not associated with blood group
ABO incompatibility
Which cells are involved in immediate hypersensitivity reactions? (p223, q27)
Eosinophils
Basophils
Plasma cells
Reactive lymphocytes
basophils
Patients that produce more than 3000 mL (3L) of urine in a 24-hour period are described as having: (p203 q31)
Anuria
Oliguria
Nocturia
Polyuria
Polyuria
Bone marrow transplant donors and their recipients must be matched for which antigen system(s)? (p333, q142)
ABO-Rh
HLA
CD4/CD8
PIa1
HLA
mismatches in HLA antigens between donor and recipient of a BMT can lead to graft vs host disease
Which test can be used to diagnose infection and confirm eradication of Helicobacter pylori? (p433, q104)
DNase
Hippurate hydrolysis
String test
Urea breath test
urea breath test
In cases where antepartum RhIG has been administered and anti-D is detected in the mother’s serum at delivery, what laboratory studies may help determine if the anti-D is from the antepartum RhIG, or due to maternal alloimmunization?(p29, q204)
Determine Antibody titer of maternal anti-D
Repeat Antibody identification studies with room temperature incubation
Perform inhibition studies on anti-D with maternal saliva
Repeat antibody identification studies using AET-treated serum
Determine Antibody titer of maternal anti-D
A deficiency of Protein C is associated with which og the following? (p284, q415)
Prolonged aPTT
Decreased fibrinogen levels (<100 mg/dL)
Increased risk of thrombosis
Spontaneous hemorrhage
increased risk of thrombosis
Protein C is inherited as an autosomal dominant trait, and patients with heterozygous deficiency have an increased risk of thrombosis
A double-sequential enzyme reaction employing glucose oxidase and peroxidase is used to measure which of the following urinary analytes by reagent test strip? (p207 q64)
pH
Nitrites
Glucose
ketones
glucose
Biological false-positive VDRL reactions are frequently encountered in patients with? (p341, q204)
Lupus erythematosus
Acquired immune deficiency syndromes (AIDS)
Gonorrhea
Tertiary syphilis
Lupus erythematosus
Cerebrospinal fluid test results that are most consistent with viral meningitis include: (p423, 59)?
Decreased protein level
Increased glucose level
Increased lactate level
Lymphocytes predominant
Lymphocytes predominant
A drug-induced immune hemolytic anemia caused by drug-independent antibody would have which of the following results?(p31, q218)
Positive direct antiglobulin test(DAT) with IgG; positive antibody screen
Positive DAT with IgG; negative eluate
Positive DAT with C3d; negative antibody screen
Negative DAT; positive antibody screen
Positive direct antiglobulin test(DAT) with IgG; positive antibody screen
What is the most common cause of inherited thromophilia? (p286, q428)
Antiphospholipid syndrome
Prothrombin G20210A mutation
Factor V Leiden
hyperhomocysteinemia
Factor V Leiden
APC resistance is almost always die to a mutation in factor V that prevents protein C dependent cleavage and Factor V inhibition.
Which of the following cells is most commonly associated with a non-clean-catch specimen and/or vaginal contamination? (p211 q85)
White blood cells
Renal epithelial cells
Squamous epithelial cells
Transitional epithelial cells
Squamous epithelial cells
Which of the following statements about immunoglobulins is true? (p318, q48)
Immunoglobulins are produced by T lymphocytes
IgA class is determined by the gamma heavy chain
IgA class exists as serum and secretory molecules
There are only 2 subclasses of IgG
IgA class exists as serum and secretory molecules
Which of these specimen types is considered to be the most sensitive for the recovery of Brucella in cases of chronic infection? (p421, q52)
blood
urine
bone marrow
lymph node
bone marrow
A group B, Rh- negative patient has a postive direct antiglobulin test(DAT). Which of the following situations would occur?(p34, q237)
All major crossmatches would be incompatible
The weak D test and control would be positive
The antibody screening would be positive
The forward and reverse ABO groupings would not agree
The weak D test and control would be positive