What is the role of the eustachian tube? a. to send electrical messages to the auditory nerve. b. to maintain equal air pressure on both sides of the eardrum. c. to pick up sound waves. d. to carry vibrations to the inner ear.

For several reasons you should only use hospital approved hand lotion two of the reasons are because they cause breakdown of latex gloves and can become contaminated with bacteria if dispensers are refilled what is another reason

Hiv is inactivated in the laboratory after a few minutes of sitting at room temperature, but the flu virus is still active after sitting for several hours. what are the practical consequences of these findings? a) hiv can be transmitted more easily from person to person than the flu virusb) the flu virus can be transmitted more easily from person to person than hivc) this property of hiv makes it more likely to be a pandemic than the flu virusd) disinfecting surfaces is more important to reduce the spread of hiv than the flu

Which feelings are examples of emotional needs? choose exactly 2 answers that are correct. a.love b.belonging c.joy d.anger