Multiple Choice
Which of the following are the two most likely sources of bloodborne pathogens in a healthcare setting?
131
views
1. Introduction to Microbiology
Introduction to Microbiology
Multiple Choice
During a biological attack, early symptoms may appear within which of the following time frames?
A
Immediately upon exposure
B
Only after several months
C
Hours to days after exposure
D
Several weeks after exposure
Verified step by step guidance1
Step 1: Understand the context of the problem, which involves the timing of symptom onset after exposure to a biological agent during a biological attack.
Step 2: Recall that biological agents, such as bacteria, viruses, or toxins, typically have an incubation period—the time between exposure and the appearance of symptoms.
Step 3: Recognize that incubation periods for most biological agents causing acute illness are usually measured in hours to days, not immediately or after several weeks or months.
Step 4: Eliminate options that are inconsistent with typical incubation periods: 'Immediately upon exposure' is unlikely because symptoms usually require some time to develop; 'Only after several months' and 'Several weeks after exposure' are too long for early symptoms in most biological attacks.
Step 5: Conclude that the most accurate time frame for early symptoms to appear is 'Hours to days after exposure,' reflecting the typical incubation period for many biological agents.
Related Videos
Related Practice
