QUESTIONS AND CORRECT DETAILED ANSWERS WITH
RATIONALES|AGRADE (FINANCIAL MANAGEMENT,
OPERATIONS MANAGEMENT, HUMAN RESOURCE
MANAGEMENT, QUALITY MANAGEMENT)
The normal pH for a healthy adult's urine is: - ANSWER: 6
The Gram's stain counterstain is: - ANSWER: Safranin
A sediment with moderate hematuria and RBC casts most likely results from: -
ANSWER: Acute glomerulonephritis
The best type of microscope to use for examining unstained, wet mount is: -
ANSWER: Phase contrast
What test confirms the presence of Bence-Jones proteinuria? - ANSWER:
Immunoelectrophoresis
In which age group is Type I Hereditary Hemochromatosis (HH - the most common
form) most likely to be initially detected based on clinical symptoms? - ANSWER:
Middle aged adults
the process of the motion of a liquid when a voltage is applied between the ends of
an insulating tube that contains that liquid - ANSWER: Electroosmosis
an absorbance measurement that uses a densitometer to measure the absorbance
of stained compounds on a support medium or electrophoretic strip - ANSWER:
Densitometry
a process based on the electrical resistance across an aperture when a particle in a
conductive liquid passes through this aperture - ANSWER: Electrical impedance
an electroanalytical method based on the measurement of a current that develops in
an electrochemical cell under conditions of complete concentration polarization -
ANSWER: Voltammetry
How is the majority of urobilinogen that is produced daily removed from the body? -
ANSWER: Through fecal excretion
What are the temperatures for the Bence-Jones protein heat precipitation test? -
ANSWER: Precipitates between 40° and 60°C but redissolves at 100°C
CD5 antigen is normally found on what lymphocyte population? - ANSWER: Mature T
cells
,Which hemoglobin will be increased in delta-beta thalassemia? - ANSWER: Hb F
In beta thalassemia - ANSWER: HbA, a2ß2, is decreased or absent
In delta beta thalassemia - ANSWER: HbA2, a2d2, is decreased
What is the cause of iron overload in hereditary hemochromatosis? - ANSWER:
Absorption of excessive amounts of iron in the small intestine
What procedure utilizes leukapheresis to collect the buffy coat from whole blood? -
ANSWER: Photopheresis
What is the half-life of immunosuppressive drugs cyclosporine and tacrolimus? -
ANSWER: 10-12 hours
the reference range for blood pH is - ANSWER: 7.35-7.45
What antigens are well developed on fetal cells? - ANSWER: Kell
Test used to test for ketones in urine, serum, and whole blood - ANSWER: Acetest
How many cells are counted on a bone marrow differential? - ANSWER: 200 cells at
100x oil immersion
What tube must be collected first in a capillary puncture? - ANSWER: Lavendar
What analyte shows no difference between capillary and venous values? - ANSWER:
Phosphorous
What protein is also known as prealbumin? - ANSWER: Transthyretin
What instrument measures changes in vapor pressure? - ANSWER: Osometer
Levy-Jennings charts require at least ___________ days worth of results - ANSWER:
20
What condition is associated with chronic thiamine (vit B1) deficiency? - ANSWER:
beriberi
Vitamin A deficiency is associated with: - ANSWER: Night blindness
Vitamin D deficiency is associated with: - ANSWER: Rickets
What modified PCR technique is used to detect Mycobacterium tuberculosis? -
ANSWER: Transcription-mediated amplification
, A strict halophilic (salt-loving) organism is: - ANSWER: Vibrio vulnificus
What is the most common human parasitic worm in the US? - ANSWER: Nematodes
(roundworms)
A standard donation of 450-500 mL requires a minimum anticoagulant-preservative
volume of: - ANSWER: 63 mL
Resistance to novobiocin is one of the key characteristics of: - ANSWER:
Staphylococcus saprophyticus
The confirmatory test for proteinuria: - ANSWER: Sulfosalicylic acid
What trimester is there the greatest risk of complications of maternal rubella
infection? - ANSWER: First trimester (first 12 weeks)
PNA-FISH assays provide distinction between: - ANSWER: MRSA and MSSA
Unconjugated bilirubin is conjugated in the liver with ________________ to become
water soluble. - ANSWER: Glucuronic acid
All shigella species are citrate _________. - ANSWER: Negative
What stain is used for reticulocytes? - ANSWER: Brilliant cresyl blue
CK-BB - ANSWER: brain and lungs
CK-MB - ANSWER: heart
CK-MM - ANSWER: skeletal muscle
What test is used to quantify a coagulation inhibitor? - ANSWER: Bethesda assay
Electrophoretic separation of hemoglobin fundamentally relies on: - ANSWER: the
electrical charge differences of the molecules
What inclusions are commonly found post-splenectomy? - ANSWER: Howell-Jolly
bodies (DNA remnants that would normally be removed by the spleen)
What coagulation test measures fibrinogen function? - ANSWER: Thrombin Time (TT)
The best technique for measuring the severity of HDFN is: - ANSWER: Doppler
UItrasound
What does aldosterone do? - ANSWER: Stimulates Na+ reabsorption
What color does starch stain with iodine? - ANSWER: Blue-Black