Where does B cell differentiation take place in adulthumans?
bone marrow
thymus
heart
none of the above
1.
Which of the following definitions isincorrect?
acute: a short-lasting primary infection
chronic: a disease that develops slowly andlasts for a long period of time
primary infection: an initial illness
secondary infection: are always a long-lastingillness
Answer & Explanation
Solved by verified expert
3.7 Ratings (419 Votes)
Answer 1 The median lethal dose or LD50 is the amount of the substance required usually per body weight to kill 50 of the test population In general the smaller the LD50 value the more toxic the chemical is Botulinum toxin has LD50 value 003 ngkg which is less than other three shiga toxin Staphylococcal enterotoxin and abrin toxin So most lethal is botulinum toxin So correct option is a Answer 2 A communicable disease is one
See Answer
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
