A nurse is assessing for cyanosis in a client who has dark skin. Which of the following sites should the nurse examine to identify cyanosis in this client?

Dorsal surface of the foot

Dorsal surface of the hand

Pinnae of the ears

Conjunctivae

Answer and Explanation

The Correct Answer is D

A) The dorsal surface of the foot is not the most reliable site to assess for cyanosis in individuals with dark skin because the skin pigmentation can mask the bluish tint that indicates reduced oxygenation.
B) Similarly, the dorsal surface of the hand may not clearly show cyanosis due to the thickness and pigmentation of the skin, which can obscure the color change.
C) The pinnae of the ears may also not be the best indicator of cyanosis in dark-skinned individuals because peripheral areas like the ears can be affected by environmental temperatures, leading to misleading color changes.
D) The conjunctivae, however, are a mucous membrane where the skin pigmentation does not affect visibility. Therefore, it is an appropriate site for assessing cyanosis as it allows for the observation of subtle changes in color that indicate hypoxia. This is why the conjunctivae are the correct site to examine for cyanosis in a client with dark skin.

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Correct Answer is A

Explanation

A. Isometric exercises involve contracting or tensing muscles without actually moving the joint. Instructing the client to tighten muscle groups for a short period and then relax is the correct approach for isometric exercises. This action helps activate and strengthen specific muscle groups without moving the joints.
B. Moving the client's limbs through their complete range of motion is known as passive range of motion exercises. These exercises are important for maintaining joint flexibility but are not isometric.
C. Asking the client to move her arms and legs while applying slight resistance is known as resisted range of motion exercises. These exercises involve active movement against resistance and are not considered isometric.
D. Having the client move each limb independently through its complete range of motion is known as active range of motion exercises. These exercises involve voluntary
movement of each joint through its full range of motion and is not isometric.

A. Hypertension and crackles B. Fever and chills C. Excessive thirst and urination D. Shakiness and diaphoresis

Correct Answer is D

Explanation

a. Hypertension and crackles:

While hypertension can be associated with various conditions, such as cardiovascular diseases or stress, it is not directly related to the cessation of TPN infusion.

Crackles in the lungs are often indicative of fluid accumulation or inflammation, commonly seen in conditions like pneumonia or heart failure. They are not typically associated with the interruption of TPN infusion.

b. Fever and chills:

Fever and chills can be symptoms of infection or inflammatory processes in the body. However, they are not specifically related to the interruption of TPN infusion.

In the context of TPN cessation, the focus would be on metabolic changes rather than infectious processes.

c. Excessive thirst and urination:

Excessive thirst and urination are classic symptoms of hyperglycemia, which can occur when TPN, particularly if it contains a high glucose concentration, is abruptly interrupted.

When TPN infusion stops, there is no longer a continuous supply of glucose to the body, leading to increased blood glucose levels and subsequent polyuria (excessive urination) and polydipsia (excessive thirst) as the body tries to eliminate excess glucose.

d. Shakiness and diaphoresis:

Shakiness and diaphoresis (excessive sweating) are classic symptoms of hypoglycemia, which can occur if TPN, particularly if it contains a high concentration of insulin, is abruptly interrupted.

TPN solutions often contain glucose and insulin to maintain proper blood glucose levels. If the infusion is stopped suddenly, there may be a rapid decline in blood glucose levels, leading to hypoglycemia, which manifests as shakiness, diaphoresis, confusion, and other neuroglycopenic symptoms.

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A nurse is assessing for cyanosis in a client who has dark skin. Which of the following sites should the nurse examine to identify cyanosis in this client?

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