A charge nurse is reinforcing teaching to a group of nurses about diffusion. Which of the following statements should the charge nurse include in their teaching about diffusion?

"Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration."

"Diffusion is the movement of particles between areas of equal concentrations."

"Diffusion is the movement of water from an area of higher concentration of water to an area of lower concentration of water."

"Diffusion is the movement of particles from an area of lower concentration of particles to an area of higher concentration of particles."

Answer and Explanation

The Correct Answer is A

A. "Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration.": This statement accurately describes diffusion. Molecules move down their concentration gradient from areas of higher concentration to areas of lower concentration until equilibrium is reached.

B. "Diffusion is the movement of particles between areas of equal concentrations.": Diffusion does not occur between areas of equal concentration as there is no concentration gradient to drive the movement.

C. "Diffusion is the movement of water from an area of higher concentration of water to an area of lower concentration of water.": This describes osmosis, not diffusion. Osmosis specifically refers to the movement of water across a semipermeable membrane.

D. "Diffusion is the movement of particles from an area of lower concentration of particles to an area of higher concentration of particles.": This is incorrect as diffusion occurs from higher to lower concentration, not the reverse.

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Correct Answer is D

Explanation

A. "No, you should wait for lab confirmation because taking antivirals for a nonviral infection can increase side effects.": While unnecessary use of antivirals can lead to side effects, prompt treatment in high-risk individuals (such as those with asthma) is crucial to mitigate complications, making this response less appropriate.

B. "No, you should wait for lab confirmation before beginning antiviral treatment, to prevent resistant viruses.": Delaying treatment in high-risk populations is not recommended as antivirals are most effective early in the course of the illness. This statement does not consider the urgency of treating influenza in vulnerable clients.

C. "Yes, antiviral treatment will ensure that you are less contagious and do not spread influenza to others.": While antivirals can reduce viral shedding, this response overlooks the critical importance of early treatment in reducing the severity of the illness and preventing complications.

D. "Yes, antiviral treatments are most effective when they are started within 48 hours of symptom onset.": Antivirals are most effective when initiated within 48 hours of the onset of influenza symptoms, especially in individuals with underlying conditions like asthma. Starting treatment early can reduce the severity and duration of symptoms, making this the most appropriate response.

A. Provide mouth care. B. Cup hands and tap on the client's chest repeatedly. C. Auscultate lung fields. D. Position the client so that the lung area to be drained is above the client's trachea.

Correct Answer is D

Explanation

A. Provide mouth care: Mouth care is important for overall comfort and hygiene but is not the first step in preparing for chest percussion, vibration, and postural drainage. The priority is to prepare the client for the procedures that will aid in clearing lung secretions.

B. Cup hands and tap on the client's chest repeatedly: This action is part of chest percussion and should be performed after positioning the client correctly. Percussion should be done on the appropriate lung areas based on the positioning.

C. Auscultate lung fields: Auscultation of lung fields is essential for assessing lung sounds and determining the effectiveness of therapy. However, it should be done after positioning the client to ensure that the correct areas are being treated and assessed.

D. Position the client so that the lung area to be drained is above the client's trachea: Proper positioning is crucial for effective postural drainage, as it allows gravity to assist in moving secretions from the lung areas to the central airways. This should be done before performing chest percussion or vibration.

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A charge nurse is reinforcing teaching to a group of nurses about diffusion. Which of the following statements should the charge nurse include in their teaching about diffusion?

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Correct Answer is D

Explanation

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Correct Answer is D

Explanation

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