A nurse is educating a community group about infection control and prevention. Which of the following should the nurse include as an example of vector-borne transmission?
Transmission of Escherichia coli from undercooked ground beef
Transmission of giardia from contaminated water
Transmission of West Nile virus from a mosquito bite
Transmission of hepatitis A from a food handler who has the virus
The Correct Answer is C
A. Transmission of Escherichia coli from undercooked ground beef: This is an example of foodborne transmission, where pathogens are ingested through contaminated food. It does not involve a vector such as an insect or animal.
B. Transmission of giardia from contaminated water: This represents waterborne transmission, occurring when pathogens are ingested through contaminated drinking or recreational water, not via a vector.
C. Transmission of West Nile virus from a mosquito bite: West Nile virus is transmitted through the bite of an infected mosquito, which acts as a vector. This is a classic example of vector-borne transmission, where an organism carries and spreads a pathogen between hosts.
D. Transmission of hepatitis A from a food handler who has the virus: This is an example of direct contact or foodborne transmission, occurring when an infected individual contaminates food. It does not involve a vector to transmit the infection.
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Related Questions
Correct Answer is B
Explanation
A. Provide a flexible activity schedule: Clients experiencing acute mania often have high energy levels and may be unable to follow a flexible or self-directed schedule. Structured, brief, and supervised activities are more effective than a flexible schedule in managing behavior and ensuring safety.
B. Provide high-calorie nutritional supplements: Clients in acute mania may be too hyperactive or distracted to consume adequate meals. Offering high-calorie supplements helps prevent malnutrition and weight loss by providing concentrated nutrition in a format that is easier for the client to consume amidst hyperactivity.
C. Allow the client to eat meals alone in her room: Eating alone may increase the risk of inadequate intake because manic clients can be easily distracted or forget to eat. Supervised meals in a calm environment promote adequate nutrition and monitoring of intake.
D. Allow the client to choose her clothes independently: While promoting autonomy is generally important, clients in acute mania may select inappropriate or unsafe clothing due to impaired judgment. Providing guidance or limiting choices temporarily ensures safety and appropriateness of dress.
Correct Answer is D
Explanation
A. "My living will names my health care surrogate, who will be responsible for my medical expenses.": A health care surrogate is designated to make medical decisions if the client is unable, not to manage financial obligations. Advance directives focus on treatment preferences, so this statement reflects a misunderstanding of their purpose.
B. "Having advance directives requires participation in organ donation.": Advance directives do not require organ donation. Organ donation is a separate legal decision and can be indicated independently of advance directives. Associating the two shows a misconception about advance directive requirements.
C. "Advance directives are not legally enforceable unless signed by an attorney.": Advance directives are legally recognized when properly witnessed or notarized, depending on state law, but do not require an attorney’s signature. This statement overstates the legal requirements, indicating incomplete understanding.
D. "My advance directives communicate my decision to remain on a breathing machine.": Advance directives allow clients to express treatment preferences, including life-sustaining interventions. This statement demonstrates accurate understanding that advance directives guide health care decisions when the client cannot communicate.
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