CIC Exam questions with correct answers

Causative agent CORRECT ANSWER-microbial organism with the ability to cause disease Reservoir of the agent CORRECT ANSWER-where organism can survive but may or may not multiply (Humans, animals, insects, food, environment: HepB on a hemodialysis machine, healthcare workers) Portal of exit of the agent from the reservoir CORRECT ANSWER-provides a way for a microorganism to leave the reservoir (respiratory: nose, mouth; GI: feces; skin; inanimate objects) Mode of transmission of the agent CORRECT ANSWER-method of transfer by which the organism moves or is carried from one place to another (hands, air/droplets, objects) Portal of entry into host— CORRECT ANSWER-an opening allowing the microorganism to enter the host (mouth, nose, indwelling devices, contaminated food/water, wounds Susceptible host CORRECT ANSWER-microorganism invading the body, then multiplying, and resulting in infection. The host is susceptible to the disease, lacking immunity of physical resistance to overcome the invasion by the pathogenic micoorganism Virulence CORRECT ANSWER-Ability to grow and multiply Infectivity CORRECT ANSWER-Ability to enter tissues