Q#17 Which of the following statements about neutralizing antibodies against SARS-CoV-2 is FALSE? They: A-

Q#17 Which of the following statements about neutralizing antibodies against SARS-CoV-2 is FALSE? They:
A- Inhibit binding of SARS-CoV-2 to ACE-2 receptor
B- Are specific for the receptor-binding domain of Spike protein
C- Are not produced in hybrid immunity
D- Are produced following natural infection
E- Are associated with a protective response
Q#18 Which one of the following would most strengthen the theory that COVID-19 is a zoonotic disease?
A- Discovery of a precedent for coronavirus infection of humans
B- Evidence of a previous epidemic caused by air-borne infection of humans with an animal virus C- Documentation of the association between SARS-CoV-2 and the live-animal trade
D- The detection of SARS-CoV-2 in animal samples taken before the pandemic
E- The finding of SARS-CoV-2-related viruses in raccoon dogs
Q#19 Bi-directional SARS-CoV-2 transmission has been reported between humans and:
A- Bats
B- Cats
C- Dogs
D- Hamsters
E- Palm civets
Q#20 A characteristic feature of acute infection with SARS-CoV-2 is marked lymphopenia. Which of the following cells are dramatically reduced?
A- B cells
B- T cells
C- Eosinophils
D- Epithelial cells
E- Granulocytes

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