Intravenous Drug Users Who Share Needles Can Transmit Infectious Diseases

Q29: Pneumocystis jirovecii causes an opportunistic form of

Q30: Bacteria are microscopic, single-celled organisms.

Q31: Bacteria that have corkscrew-shaped cells are called

Q32: A pathogen is a _.<br>A)disease-causing microorganism<br>B)disease always

Q33: Bacteria have _, a rigid layer or

Q35: Some viruses sustain a _ infection, whereby

Q36: Viruses are not considered living organisms because

Q37: Types of _ are described as amoeboids,

Q38: _ are parasitic worms and are complex

Q39: _ of potentially infectious materials, like surfaces