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NAVLE Exam Questions and Answers 100% Correct

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NAVLE Exam Questions and Answers 100% Correct Other name for Type I hypersensitivity CORRECT ANSWER-Immediate Hypersensitivity reactions that occur when re-exposure of an antigen results in an allergic reaction. The antigen is presented and causes B cell production of IgE antibodies. CORRECT ...

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  • August 9, 2024
  • 33
  • 2024/2025
  • Exam (elaborations)
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  • NAVLE
  • NAVLE
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NAVLE Exam Questions and Answers 100% Correct
Other name for Type I hypersensitivity CORRECT ANSWER-Immediate




Hypersensitivity reactions that occur when re-exposure of an antigen results in an allergic
reaction. The antigen is presented and causes B cell production of IgE antibodies.
CORRECT ANSWER-Type I




Other name for Type II hypersensitivity CORRECT ANSWER-Cytotoxic




Other name for Type III hypersensitivity CORRECT ANSWER-Immune-mediated




Other name for Type IV hypersensitivity CORRECT ANSWER-Delayed type




Vaccine reaction or anaphylaxis are an example of what type of hypersensitivity?
CORRECT ANSWER-Type I




Blood transfusion reaction or IMHA are an example of what type of hypersensitivity?
CORRECT ANSWER-Type II



IMPA, glomerulonephritis, anterior uveitis, vasculitis or systemic lupus erythematosus are an
example of what type of hypersensitivity? CORRECT ANSWER-Type III




Atopic dermatitis, TB test reaction, granulomatous inflammation or contact dermatitis (i.e.
poison ivy) are an example of what type of hypersensitivity? CORRECT ANSWER-Type IV

, NAVLE Exam Questions and Answers 100% Correct

Hypersensitivity rxn that occurs when an antigen on a cell surface binds with an antibody and is
then recognized by the body as being foreign. Macrophages or dendritic cells then recognize the
cell and "present the antigen" which then causes B cell proliferation and production of IgG and
IgM antibodies. The antibodies bind to the cell and activate the complement cascade
CORRECT ANSWER-Type II




Hypersensitivity rxn that occurs when there are more antigens than there are antibodies. The
antigens float around in the circulation and multiple antigens may bind one antibody, thus
forming an immune complex. CORRECT ANSWER-Type III




Hypersensitivity rxn that is cell-mediated. Cytotoxic CD8+ T cells and CD4+ helper T cells
recognize antigen that is in a complex with major histocompatibility complex 1 or 2. This results
in proliferation and activation of the cells. Activated CD8+ T cells then destroy the antigen
containing cells while activated macrophages release hydrolytic enzymes. CORRECT
ANSWER-Type IV

Note: takes several days, why it's aka delayed




Concentrated USG for large animals CORRECT ANSWER->1.025




Concentrated USG for dogs CORRECT ANSWER-> 1.035




Concentrated USG for cats CORRECT ANSWER-> 1.045

, NAVLE Exam Questions and Answers 100% Correct
Isosthenuria range CORRECT ANSWER-1.008-1.015




Hyposthenuria CORRECT ANSWER-<1.008




What are the major causes of diarrhea in Unweaned & Early Post-Weaning Pigs?
CORRECT ANSWER-*CCC-THRE*



1. Clostridium perfringens types A & C

2. Clostridium dificile

3. Coccidia (Isospora suis most commonly)

4. Transmissible gastroenteritis (TGE)

5. Hypoglycemia

6. Rotavirus

7. E. coli (colibacillosis)




Time frame for Clostridium perfringens infection in pigs CORRECT ANSWER-Types A & C




1-7 days of age




Time frame for Clostridium dificile infection in pigs CORRECT ANSWER-1-2 days of age

, NAVLE Exam Questions and Answers 100% Correct
Time frame for Coccidia infection in pigs CORRECT ANSWER-5-15 days of age




Time frame for TGE infection in pigs CORRECT ANSWER-All ages within unweaned &
early weaning life stages




At what age are pigs weaned? CORRECT ANSWER-Between 3-4 weeks




Time frame for Rotavirus infection in pigs CORRECT ANSWER-All ages within unweaned
& early weaning life stages




Time frame for E. coli infection in pigs CORRECT ANSWER-1-14 days of age

& again during the 1st 2 weeks post-weaning (~4-6 wks of age)




Pathologic lesions of C. perfringens in piglet CORRECT ANSWER-Dark red small intestines
with hemorrhage




C perfringens types A in piglets has (low/high) morbidity & (low/high) mortality
CORRECT ANSWER-high, low




C perfringens types C in piglets has (low/high) morbidity & (low/high) mortality
CORRECT ANSWER-high, high

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