The nurse is taking a health history for a patient who is ill in the emergency room. The patient states that he has not been around anyone that has been sick lately. The nurse suspects the patient likely contracted the illness by indirect transmission. Which is an example of this type of transmission?
Utilizing a friend's computer keyboard.
Talking directly to someone coughing.
Standing next to a person with a varicella (chickenpox) infection.
Walking past an individual coughing and sneezing.
The Correct Answer is A
A. Utilizing a friend's computer keyboard: Indirect transmission occurs when pathogens are transmitted via inanimate objects, such as keyboards, doorknobs, or utensils. If the friend's computer keyboard is contaminated with pathogens, the patient could contract an illness by touching it.
B. Talking directly to someone coughing: This is an example of direct transmission, where pathogens are transmitted through close contact with an infected person's respiratory secretions.
C. Standing next to a person with a varicella (chickenpox) infection: This is an example of direct transmission, as varicella is spread through respiratory droplets.
D. Walking past an individual coughing and sneezing: This is also an example of direct transmission, as respiratory droplets containing pathogens can land on the nurse and lead to infection if inhaled or touched.
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Related Questions
Correct Answer is A
Explanation
A. Utilizing a friend's computer keyboard: Indirect transmission occurs when pathogens are transmitted via inanimate objects, such as keyboards, doorknobs, or utensils. If the friend's computer keyboard is contaminated with pathogens, the patient could contract an illness by touching it.
B. Talking directly to someone coughing: This is an example of direct transmission, where pathogens are transmitted through close contact with an infected person's respiratory secretions.
C. Standing next to a person with a varicella (chickenpox) infection: This is an example of direct transmission, as varicella is spread through respiratory droplets.
D. Walking past an individual coughing and sneezing: This is also an example of direct transmission, as respiratory droplets containing pathogens can land on the nurse and lead to infection if inhaled or touched.
Correct Answer is B
Explanation
A. Macule: A macule is a flat, discolored area of skin that is smaller than 1 centimeter in diameter and does not contain fluid.
B. Vesicle: A vesicle is a raised, fluid-filled lesion smaller than 1 centimeter in diameter.
Examples include blisters caused by conditions such as herpes simplex virus or contact dermatitis.
C. Papule: A papule is a raised, solid lesion smaller than 1 centimeter in diameter that does not contain fluid. Examples include pimples or insect bites.
D. Wheal: A wheal is a raised, red area of skin that is often accompanied by itching. It is typically caused by an allergic reaction and may have irregular borders.
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