3

Question 1

Which enzyme is responsible for the conjugation of bilirubin?

Answer 1

glucuronyl transferase

Question 2

What chemistry test is a sensitive indicator of iron deficiency?

Answer 2

serum ferritin

Question 3

Which mediator cell binds the most to IgE antibody?

Answer 3

basophils

Question 4

T or F: Type II diabetes mellitus requires insulin therapy.

Answer 4

false

Question 5

The buffering capacity of blood is maintained by a reversible exchange between bicarbonate and what other ion?

Answer 5

chloride

Question 6

In an electrophoretic separation, is the zones appear artifactually crescent-shaped, what is the most likely cause?

Answer 6

overload of sample

Question 7

Spores found only in the cytoplasm of duodenal epithelial cells that stain red in a Weber stain indicate what organism?

Answer 7

Microsporidium sp.

Question 8

What volume of urine is recommended for centrifugation for microscopic exams?

Answer 8

10-15 mL

Question 9

Why are serum lead levels of little value?

Answer 9

they fluctuate rapidly, and do not remain positive for long after lead exposure

Question 10

Black colonies on Tinsdale agar (indication a + Tinsdale reaction) is distinctive for what organism?

Answer 10

Corynebacterium diptheriae

Question 11

Where are coagulation proteins found, in the plasma or serum?

Answer 11

plasma

Question 12

What organism causes chronic sinusitis?

Answer 12

Scedosporium apiospermum

Question 13

What organism causes otitis externa?

Answer 13

Aspergillus niger

Question 14

What organism causes mycotic keratitis?

Answer 14

Fusarium sp.

Question 15

What organism causes tinea pedis?

Answer 15

Trichophyton rubrum

Question 16

What test confirms urobilinogen levels of 2.0 Ehrlich units or more, and what does it differentiate?

Answer 16

Watson-Schwartz, urobilinogen and porphobilinogen

Question 17

Grey-white cobweb mycelium, a rim of black pigment, and failure to convert to a yeast at 35*C is characteristic of what organism?

Answer 17

Coccidioides immitis

Question 18

CYP2D6 ultrarapid metabolizers (UM) would require what kind of dose of active drug, in comparison to an extensive metabolizer (EM)?

Answer 18

a higher dose

Question 19

Which chromosome demonstrates a partial or full loci deletion in various forms of beta-thalassemia?

Answer 19

chromosome 11

Question 20

What hyaline saprobic fungus has microscopic features similar to Coccidioides immitis?

Answer 20

Malbranchia sp.

Question 21

T or F: Increased serum complement is a feature of SLE?

Answer 21

false

Question 22

Where is follicle-stimulating hormone (FSH) produced?

Answer 22

pituitary gland

Question 23

Zollinger-Ellison syndrome is characterized by a large (usually 20-fold) elevation of what?

Answer 23

gastrin

Question 24

What virus causes Fifth Disease?

Answer 24

parvovirus

Question 25

What virus causes Measles-Mumps?

Answer 25

paramyxovirus

Question 26

Growth on chocolate agar, but not Thayer-Martin, of a Gram = cocci appearing singly or in loose clusters, that is assachrolytic and DNAse + indicates what organism?

Answer 26

Moraxella catarrhalis

Question 27

What is the most common combination of ANA patterns?

Answer 27

homogenous and speckled

Question 28

Target cells are typical in what kind of beta-thalassemia?

Answer 28

minor, intermedia, and major

Question 29

What is the name for the glycated protein that is an index of carbohydrate management over a 2-3 month period?

Answer 29

HbA1c

Question 30

What causes wick flow in electrophoresis?

Answer 30

excess heat

Question 31

What lab test result would indicate that a sickle cell patient is in aplastic crisis?

Answer 31

decreased reticulocyte count