Cure for Killer Infections (Listening)

 1) What is the lecture mainly about?

A) A method for killing drug-resistant bacteria.
B) Molecules that your body hates.
C) Transplant surgery.
D) The way your body's immune system works.


2) Why is the professor discussing pig heart valves?

A) He is explaining why he thinks certain research ideas are ridiculous.
B) He is explaining why heart transplant surgery can be difficult.
C) He is explaining how our immune systems work.
D) He is explaining the background of his research.

3) At 01:58, the professor says, "So you can take a bacteria that really doesn't make these things at all, and if you could clap these on it really well, you have it taken off the street."

What does the professor mean when he says, "You have it taken off the street"?

A) City workers will keep the streets clean of bacteria
B) Your immune system removes bacteria from your body.
C) Criminals will be removed by police.
D) Doctors will cure your bacterial infection with drugs.


4) Which of the following is true of the Staphylococcus? (Pick two answers)

A) His friend died from a Staphylococcus infection.
B) He couldn't attach a DNA aptamer to Staphylococcus.
C) Staphylococcus is resistant to antibiotics.
D) Staphylococcus was used in the mouse experiment.


5) What can be inferred about the professor's attitude:

A) He is very serious about his research.
B) He is pessimistic about our fight against bacteria.
C) He thinks his work is useful but not essential.
D) He believes humor can help people understand his work.