If all light is absorbed, the % Transmittance would be:
0
Which coagulation factor is responsible for stabilizing a fibrin clot?
13
Name this cell. What type of anemia is this often associated with?
Segmented neutrophil
Megaloblastic Anemia
List the Rh antigens in order from most immunogenic to least immunogenic
D, c, E, C,e
What organism causes bacterial vaginosis?
Gardnerella Vagninalis
A person is breathing very heavily. Which acid-base disorder might occur?
Respiratory Alkalosis
Part 1: A sodium citrate tube that is half full will have what effect on a PTT test?
Part 2: What is the desired ratio of additive : patient sample for this test?
Falsely prolonged PTT
1:9 Ratio
A patient has a positive solubility screen. What would the next step be?
Hemoglobin electrophoresis
Explain a Group 2 ABO Discrepancy
Unexpected Reactions in the forward type due to weakly reacting or missing antigens
Erysipelothrix rhusiopathiae is a gram positive bacilli that is intrinsically resistant to which antibiotic?
Vancomycin
As a patient's pH increases their Ionized Calcium:
Decreases
In order to differentiate between Vitamin K deficiency and Liver Disease, what could be tested?
5,7,9,8
When the body has adequate levels of iron, what will the hepcidin value do? Increase, decrease or remain the same.
Where is hepcidin produced?
Increase , hepatocytes
Anti-JK3 can be made by individuals of what phenotype?
Jka- and JKb-
An oozing blister on a woman's hand was swabbed and plated in microbiology. The culture produced 3 organisms which (if any) would be considered pathogenic?
- Group B Streptococcus, E. Coli, and Streptococcus viridans
Group B and Viridans
When plotting initial velocity versus substrate concentration, during which phase does the velocity increase with increasing substrate concentration?
First Order
A patient has a PTT of 50.5 seconds, when performing a mixing study, the initial repeat is 30.8 seconds and the 1 hour incubation repeat is 49.2 seconds. This is indicative of of:
Factor Inhibitor
Define Chemotaxis:
In immunology we discussed a immunodeficiency disorder that disrupts this process- what is that?
The process where neutrophils are sent signals to migrate to a site of infection.
Leukocyte adhesion deficiency -missing a protein that help stimulate chemotaxis
True or False-
Anti-P and Autoanti-P are IgG
False (See slide explanation)
Pushy pink, gram negative diplococci, oxidase positive, catarrhalis disc+
What organism would fit the above characteristics?
Moraxella catarrhalis
A Lineweaver-Burke plot that shows an unchanging y-intercept but has an increased slope is an example of:
Competitive Inhibition
Draw the Coagulation Cascade. State the factors that are vitamin K dependent. Indicate the difference between the Intrinsic and Extrinsic Pathways
Vitamin K- 2,7,9,10 protein C and S
What abnormal finding is in this picture?
Hbg C crystal
Which Lewis antibody is more prevalent? Lea or Leb.
If that antibody is found, is finding compatible blood easy or hard? Why?
Lea
it is very easy to find compatible blood. 80% of the population are secretors
The following characteristics can describe which bacteria?
Shooting star/ darting motility
Oxidase positive
Positive string test
Vibrio spp.