× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
w
6
P
3
u
3
j
3
s
3
a
3
d
3
p
3
A
3
3
g
3
o
3
Home Q & A Board Biology-Related Homework Help Cell Biology
New Topic  
Sonikapardal Sonikapardal
wrote...
Go to Answer
Posts: 644
Rep: 0 0
6 years ago
The Salk vaccine
 
  A. protects against nervous system and gastrointestinal infection.
  B. protects only against gastrointestinal infection.
  C. is a subunit vaccine.
  D. protects only against nervous system infection.
  E. protects against nervous system and gastrointestinal infection AND is a subunit vaccine.


Inactivated immunizing agents are prepared by treatment with
 
  A. alcohol.
  B. phenol.
  C. formalin.
  D. histamine.


Attenuated agents are
 
  A. dead viruses.
  B. toxins.
  C. weakened but replicating microbes.
  D. parts of an organism.


Attenuated agents
 
  A. may induce immunity after a single dose.
  B. may cause disease in immunocompromised individuals.
  C. multiply in the body.
  D. may revert or mutate to disease-causing strains.
  E. All of the choices are correct.


Which antibodies cross the placenta and protect the fetus?
 
  A. IgA
  B. IgG
  C. IgM
  D. IgD
Read 74 times
2 Replies
Replies
Answer verified by a subject expert
gregbren89@gmaigregbren89@gmai
wrote...
#1
Top Poster
Posts: 793
Rep: 13 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Sonikapardal Author
wrote...
#2
6 years ago
Great answers
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1351 People Browsing
 115 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 525
  
 672
  
 476
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 436
Previous poll results: Which industry do you think artificial intelligence (AI) will impact the most?