The figure shows the concentration of antibodies for an antigen produced by Clostridium tetani, a bacterium that causes tetanus. What could trigger the increase in antibody production marked by the arrow? 
A) a decrease in antigen concentration
B) an increase in histamine production
C) an initial exposure to Pseudomonas aeruginosa, a bacterium that causes pneumonia
D) a second exposure to Clostridium tetani
Correct Answer:
Verified
Q39: The secondary response in the B cell
Q40: Strep throat can develop from an infection
Q41: Maria has a nut allergy and accidentally
Q42: Scenario
Avian influenza is a viral infection with
Q43: Jonas Salk's polio vaccine trials of 1954
Q45: Why do some viruses mutate faster than
Q46: Diego was walking to class when he
Q47: Scenario
Avian influenza is a viral infection with
Q48: Scenario
Avian influenza is a viral infection with
Q49: Examine the numerous long structures extending from
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents