Psy 101 Test 5| Straighterline | 2022

PSY 101 TEST 5| STRAIGHTERLINE | 2022Colds are common because Select one: a. domestic animals serve as a persistent reservoir. b. immunity once obtained is not protective. c. there is a lack of effective antiviral drugs. d. of the antigenic diversity of the rhinoviruses and the lack of long-lasting immunity. Correct Feedback The correct answer is: of the antigenic diversity of the rhinoviruses and the lack of long-lasting immunity. Question 2 Correct 4.50 points out of 4.50 Not flaggedFlag question Question text Antigenic variation occurs almost yearly with the influenza virus. Select one: a. A Correct b. B c. C d. D Feedback The correct answer is: A Question 3 Correct 4.50 points out of 4.50 Not flaggedFlag question Question text Koplik's spots are small red lesions with a white center that form in the mouth and are associated with . Select one: a. mumps b. measles Correct c. chickenpox d. flavivirus infection Feedback The correct answer is: measles Question 4 Correct 4.50 points out of 4.50 Not flaggedFlag question Question text In influenza virus, antigenic shift Select one: a. results from reassortment of genomes when two different strains of flu viruses infect the same cell. b. results from the accumulation of mutations in HA and NA in a single strain of flu virus. c. can result in major epidemics or pandemics. d. results from reassortment of genomes when two different strains of flu viruses infect the same cell and can result in major epidemics or pandemics. Correct Feedback The correct answer is: results from reassortment of genomes when two different strains of flu viruses infect the same cell and can result in major epidemics or pandemics. Question 5 Correct 4.50 points out of 4.50 Not flaggedFlag question Question text Which of the following is a disease of humans that is caused by a prion and was originally associated with cannibalism?