false
don't thing that someone has to know
There is a vaccine available to prevent infection of most strains of HPV (human papillomavirus), which is a group of viruses - the most common viral sexually transmitted infection. Certain types of HPV infection cause cervical cancers. The HPV vaccine protects against certain types of HPV that can lead to cancer or genital warts. The vaccine can be given to people ages 9 to 45 and it is given in a series of shots.
ventilation mask (with oxygen inlet) is <span>The preferred oxygen delivery device to use when providing emergency oxygen to a non-breathing person.
A ventilation mask with an oxygen inlet is consist of a pump that allow another person to pump the air into the non-breathing person's lung.
Other form of oxygen delivery device require the user to directly breath in to the device, which will be impossible of that person is non-breathing condition.</span>
The answer that sounds most correct would be: B) Open back and sufficient tread.
