BIOS 242 Exam 3 Questions and Answers
Question 1.
Variola virus (fluid-filled) =
Correct Answer: small pox
Question 2.
What are B cells?
Correct Answer: active/function after interaction with T helper cells
Question 3.
memory cells =
Correct Answer: lasting immunity
Question 4.
Tc (cytotoxic) turns into what?
Correct Answer: perforin + granzyme to destroy cells
Question 5.
How is E.coli transmitted?
Correct Answer: oral fecal contaminated food
Question 6.
What are haptans?
Correct Answer: antibodies that bind to a carrier molecule that elicits an
immune system
Question 7.
What are flat raised rashes?
Correct Answer: skin lesion that is elevated above the surrounding skin surface
but still has a relatively flat top
Question 8.
What is the causative agent of Lyme disease?
Correct Answer: Borrelia burgdorferi (gram negative spirochete)
Question 9.
s/sx of vaginitis
Correct Answer: burning, itching, curd-like discharge
Question 10.
What is passive artificial?
Correct Answer: immune therapy (antibodies) ex. monoclonal antibody therapy
for COVID
Question 11.
Page 1
, Nonspecific innate immunity is
Correct Answer: 1st and 2nd line of defense
Question 12.
s/sx of enterotoxigenic E.coli
Correct Answer: watery profuse diarrhea
Question 13.
What is vaginitis?
Correct Answer: yeast infection
Question 14.
s/sx of whooping cough
Correct Answer: episodes or fits of coughing, "whooping sound" muscle
production petecuiae/ hemorrhages patient becomes red as they struggle to
breathe
Question 15.
Coxsackle (fluid-filled) =
Correct Answer: hand, foot, mouth disease
Question 16.
What are fluid-filled rashes?
Correct Answer: skin eruptions that contain liquid, such as pus or clear fluid
within blisters or vesicles
Question 17.
What does C. Bofulinum cause?
Correct Answer: causes botulism and flaccid paralysis blocks the release of
acetylcholine, so muscles are unable to contract
Question 18.
What causes necrotizingfascitis?
Correct Answer: caused by enzymes directly released by bacteria that destroy
tissue
Question 19.
IgD antibodies
Correct Answer: helps activate B-cells
Question 20.
What are H&N (Hemagglutinin & neuraminidase)? (virulence factors)
Correct Answer: glycoproteins on the surface of the virus for adhesion/ budding
antigenic drift and shist
Question 21.
Page 2
Question 1.
Variola virus (fluid-filled) =
Correct Answer: small pox
Question 2.
What are B cells?
Correct Answer: active/function after interaction with T helper cells
Question 3.
memory cells =
Correct Answer: lasting immunity
Question 4.
Tc (cytotoxic) turns into what?
Correct Answer: perforin + granzyme to destroy cells
Question 5.
How is E.coli transmitted?
Correct Answer: oral fecal contaminated food
Question 6.
What are haptans?
Correct Answer: antibodies that bind to a carrier molecule that elicits an
immune system
Question 7.
What are flat raised rashes?
Correct Answer: skin lesion that is elevated above the surrounding skin surface
but still has a relatively flat top
Question 8.
What is the causative agent of Lyme disease?
Correct Answer: Borrelia burgdorferi (gram negative spirochete)
Question 9.
s/sx of vaginitis
Correct Answer: burning, itching, curd-like discharge
Question 10.
What is passive artificial?
Correct Answer: immune therapy (antibodies) ex. monoclonal antibody therapy
for COVID
Question 11.
Page 1
, Nonspecific innate immunity is
Correct Answer: 1st and 2nd line of defense
Question 12.
s/sx of enterotoxigenic E.coli
Correct Answer: watery profuse diarrhea
Question 13.
What is vaginitis?
Correct Answer: yeast infection
Question 14.
s/sx of whooping cough
Correct Answer: episodes or fits of coughing, "whooping sound" muscle
production petecuiae/ hemorrhages patient becomes red as they struggle to
breathe
Question 15.
Coxsackle (fluid-filled) =
Correct Answer: hand, foot, mouth disease
Question 16.
What are fluid-filled rashes?
Correct Answer: skin eruptions that contain liquid, such as pus or clear fluid
within blisters or vesicles
Question 17.
What does C. Bofulinum cause?
Correct Answer: causes botulism and flaccid paralysis blocks the release of
acetylcholine, so muscles are unable to contract
Question 18.
What causes necrotizingfascitis?
Correct Answer: caused by enzymes directly released by bacteria that destroy
tissue
Question 19.
IgD antibodies
Correct Answer: helps activate B-cells
Question 20.
What are H&N (Hemagglutinin & neuraminidase)? (virulence factors)
Correct Answer: glycoproteins on the surface of the virus for adhesion/ budding
antigenic drift and shist
Question 21.
Page 2
