The Reproductive System

Question 1

Which of these are tested for compatibility before a transplant to ensure a high probability of success?

Revolt · Accepted Answer

antigens

Question 2

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?

Revolt · Accepted Answer

They were exposed to cowpox, and the substance their body produced to fight cowpox also attacked smallpox.

Question 3

Why do vaccines build up immunity?

Revolt · Accepted Answer

The body produces antibodies when it is exposed to the weakened or dead form of a pathogen.

Question 4

How do pain relievers work?

Revolt · Accepted Answer

block messages within the nervous system

Question 5

Which of these would be the most effective at destroying Giardia, a protozoan that infects the intestinal tract?

Revolt · Accepted Answer

antiparasitic

Question 6

Which is the difference between an antibiotic and an antiviral?

Revolt · Accepted Answer

Antibiotics kill pathogens, and antivirals reduce symptoms of illnesses caused by viruses.

Question 7

Which do the green tanks in the picture below represent?

Revolt · Accepted Answer

antibodies

Question 8

Acetaminophen is a medication most commonly given for what purpose?

Revolt · Accepted Answer

as a pain reliever

Question 9

Patient 1 and patient 2 both had a transplant. Which most likely explains why patient 1 had a successful transplant and patient 2 did not?

Revolt · Accepted Answer

Patient 1 underwent long-term immunosuppressive therapy, but patient 2 was given immunosuppressants during the surgery.

Question 10

Why does the body attack a transplanted organ?

Revolt · Accepted Answer

The organ is not recognized by the body as being made of self cells.

The Reproductive System Answers

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