AnswersFL-2000310-Biology 1Medicine and the Immune System

Medicine and the Immune System Answers

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1
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Why does the body attack a transplanted organ?

A
The organ has pathogens that the body wants to destroy.
B
The organ is not recognized by the body as being made of self cells.
C
The organ's pH level is not compatible with the recipient's pH level.
D
The organ does not have enough nutrients to support the body.
2
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Cedric has a low fever and minor aches. Yesterday, he went to the doctor for his booster shot and received the flu shot. Which best explains why he has this reaction?

A
Cedric was given an antibiotic.
B
Cedric was too old for the vaccine.
C
The weakened virus stimulated the immune response and resulted in the minor reaction.
D
The vaccine contained antibodies that caused Cedric to make more antibodies.
3

Which do the green tanks in the picture below represent?

Question illustration
A
vaccine
B
pathogen
C
antibodies
D
antigens
4

Which scenario does the picture below best represent?

Question illustration
A
An antibiotic caused an increase in antibodies.
B
A vaccine caused an increase in antibodies.
C
An antibiotic destroyed a pathogen.
D
A vaccine destroyed a pathogen.
5

Edward Jenner’s smallpox inoculation experiment was based on his observation that some dairymaids who worked with cows had suffered lesions on their hands, but that these dairymaids were immune to the more severe smallpox. He inoculated James Phipps with material from the lesions on a dairymaids’ hands. Which best explains why Jenner decided to infect Phipps?

A
The material contained antibodies that could destroy the smallpox pathogen.
B
The material contained pathogens that were similar to but weaker than the smallpox pathogen.
C
The material had oxygen that could help the cells of the body fight off smallpox infection.
D
The material contained a pathogen that could attack the smallpox pathogen.
6

How do pain relievers work?

A
increase production of white blood cells
B
increase body temperature
C
block messages within the nervous system
D
block hormone production
7

Edward Jenner’s smallpox inoculation experiment was based on his observation that some dairymaids who worked with cows had suffered lesions on their hands, but that these dairymaids were immune to the more severe smallpox. Which best explains why the dairymaids were immune to smallpox?

A
They did not interact with many people so they were not exposed to the pathogen.
B
They frequently washed their hands so they were able to wash away the pathogen.
C
They were exposed to cowpox, and the substance their body produced to fight cowpox also attacked smallpox.
D
They breathed the air around the cows that carried an antipathogen in it that destroyed the pathogen.
8

Athlete’s foot can be treated by using antifungal medication which functions to

A
suppress the immune response.
B
produce antibodies.
C
treat the symptoms.
D
destroy the pathogen.
9

Why do vaccines build up immunity?

A
The body reduces inflammation when it is exposed to the weakened or dead form of a pathogen.
B
The body increases blood flow when it is exposed to the weakened or dead form of a pathogen.
C
The body raises its temperature when it is exposed to the weakened or dead form of a pathogen.
D
The body produces antibodies when it is exposed to the weakened or dead form of a pathogen.
10

Acetaminophen is a medication most commonly given for what purpose?

A
as an antibiotic
B
as an antihistamine
C
as a pain reliever
D
as an antiviral

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