Exam 18: Microbiology

Which of the following types of bacteria have a rodlike shape?

Which chemicals are capable of destroying viruses in an external environment?

Which of the following is not a dental sign of second-stage infectious syphilis?

Which of the following diseases can be prevented by immunization?

What is the name of a new and separate class of disease-producing molecules that are composed of proteins that lack nucleic acids?

HIV infects cells known as CD4 cells,and hepatitis virus infects only liver cells because of:

Which of the following diseases is spread through sexual contact with an infected person and by needle sharing among drug users?

It is important for the dental assistant to have a foundation in microbiology to understand the nature of pathogens and to:

Which of the following is the correct term used to describe microorganisms that produce disease in humans?

_______ is responsible for 34% of all types of acute viral hepatitis.

______ is the study of microorganisms.

Which disease is caused by a spore-forming bacillus found in soil?

A viral disease cannot be transmitted through:

Which of the following types of viruses causes chickenpox?

General antibiotics are ineffective in preventing or curtailing:

Which of the following is the most resistant form of life known?

Which of the following diseases infects T cells?

Kill time for which of the following infectious agents is the benchmark for the effectiveness of a surface disinfectant?

Which is the smallest of the major groups of microorganisms?

Which of the following is a group of one-celled organisms that do not have a rigid cell wall?