Author Question: Only ________ provides 100 protection from STIs. A) a vasectomy B) abstinence C) condom use D) ... (Read 95 times)

c0205847

  • Hero Member
  • *****
  • Posts: 531
Only ________ provides 100 protection from STIs.
 
  A) a vasectomy
  B) abstinence
  C) condom use
  D) a contraceptive device

Question 2

Scientists believe that HIV infections in humans can be traced back to ________ in Africa.
 
  A) chickens
  B) venomous snakes
  C) chimpanzees
  D) tsetse flies



dlook33

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Cyanide works by making the human body unable to use oxygen.

For a complete list of videos, visit our video library