Author Question: Describe the difference between natural and acquired immunity. What will be an ideal ... (Read 49 times)

jlmhmf · **on:** Jun 27, 2018

Describe the difference between natural and acquired immunity.

What will be an ideal response?

Question 2

Which of the following statements is TRUE?

A) The combining forms or/o- and orex/o- mean mouth.
B) The combining forms or/o- and orex/o- mean appetite.
C) The combining form or/o- means mouth and orex/o- means appetite.
D) The combining form or/o- means appetite and the combining form orex/o- means mouth.

dantucker · **Reply #1 on:** Jun 27, 2018

Answer to Question 1

1. Natural immunityalso called innate immunity; not specific at attacking a particular pathogen and requires no previous exposure to antigen; example is macrophage
2. Acquired immunityresponse to a specific antigen/pathogen; passive acquired immunity occurs when a person receives protective substance produced by another human or animal such as antibodies traveling from mother to fetus; active acquired immunity develops following direct exposure to the pathogenic agent such as having the chickenpox or receiving a vaccination

Answer to Question 2

C
Explanation: A) Orex/o- does not mean mouth.
B) Or/o- does not mean appetite.
C) Correct
D) Or/o- does not mean appetite.