An object that has been contaminated with a pathogen is a:
A) virus.
B) vector.
C) fomite.
D) microorganism.
C
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This type of membrane is found lining all openings to the outside world (including organs of the digestive system and respiratory system)
A) synovial B) mucous C) serous D) muscular
Which of the following statements about x-rays is NOT true?
a. They travel at the speed of light. b. They are invisible. c. They have no mass. d. They travel in convergent lines.
The blood pressure is regulated partly by ________, which measure blood pressure and are located in the aorta and carotid arteries.
Fill in the blank(s) with the appropriate word(s).
Which of the following is the appropriate care for tiny specks in the eye?
A. Avoid attempting to remove them B. Moisten a sterile gauze to remove them C. Flush the eye with hydrogen peroxide D. Use a cotton ball to remove them E. Use the pad of your index finger