The nurse recognizes that teaching a client to wash the hands after using the bathroom is an attempt to break the chain of infection between the:

infectious agent and reservoir.

portal of exit and mode of transmission.

mode of transmission and portal of entry.

susceptible host and infectious agent.

Answer and Explanation

The Correct Answer is C

A.   This option refers to the pathogens themselves (infectious agents) and the places where they live and multiply (reservoirs). Washing hands does not directly affect the relationship between these two.
B.   The portal of exit refers to how an infectious agent leaves the reservoir (e.g., through feces, urine, etc.), and the mode of transmission refers to how the agent spreads (e.g., via hands, surfaces, etc.). Handwashing helps reduce the potential for pathogens to be transmitted but does not specifically break the chain between these two links.
C.   Handwashing after using the bathroom effectively breaks the chain of infection by interrupting the mode of transmission (direct contact with contaminated hands) and preventing pathogens from entering another person's body (portal of entry). By cleaning hands, the risk of spreading infectious agents to others is significantly reduced.

D.   This option refers to the relationship between a person who is vulnerable to infection (susceptible host) and the pathogens that cause disease (infectious agents). While handwashing helps prevent infections, it primarily acts on the transmission aspect rather than directly affecting susceptibility.

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Correct Answer is A

Explanation

This is the expected peak time for regular insulin. After administration, insulin will generally reach its maximum effectiveness in lowering blood glucose within this timeframe, making it crucial for the client to eat or take carbohydrates to prevent hypoglycemia.

A. increased. B. given as prescribed. C. cut in half. D. held.

Correct Answer is D

Explanation

A. An INR of 5.0 indicates that the blood is significantly thinner than the therapeutic range (typically 2.0 to 3.0 for DVT treatment). Increasing the dose of warfarin would further increase the risk of bleeding.
B. Continuing with the prescribed dose of 2.5 mg is not appropriate at this time. The INR is above the safe therapeutic range, indicating a need for adjustment, not maintenance of the current dose.
C. While reducing the dose may be necessary, cutting it in half may not adequately address the high INR. The more appropriate action would involve holding the dose or significantly adjusting it based on the INR and clinical guidelines.
D. An INR of 5.0 is a critical value that suggests the client is at an increased risk of bleeding. The appropriate action in this case is to hold the warfarin dose and notify the healthcare provider for further evaluation and management. Depending on clinical protocols, the provider may recommend administering vitamin K to reverse the effects of warfarin, especially if there are signs of bleeding or if the INR is critically high.

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The nurse recognizes that teaching a client to wash the hands after using the bathroom is an attempt to break the chain of infection between the:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client's insulin dosage is 16 units of regular insulin in the morning. The client should be taught to expect the insulin peak within:

Correct Answer is A

Explanation

A client with a deep vein thrombosis has been receiving warfarin sodium 2.5 mg PO daily. The client's International Normalized Ratio (INR) is 5.0. The nurse is aware that the medication dose needs to be:

Correct Answer is D

Explanation

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