The nurse expects to observe which finding during the assessment of a client diagnosed with myxedema?

Facial muscle atrophy

Facial and periorbital edema

Facial muscle twitching

Unilateral ptosis

Answer and Explanation

The Correct Answer is B

Choice A reason: Facial muscle atrophy is not the expected finding because it is a condition where the facial muscles lose their mass and strength, which can be caused by various factors, such as aging, nerve damage, or muscular dystrophy. Facial muscle atrophy is not a common manifestation of myxedema, which is a severe form of hypothyroidism, which is a condition where the thyroid gland does not produce enough thyroid hormones, which regulate the metabolism and growth of the body.

Choice B reason: Facial and periorbital edema is the expected finding because it is a characteristic manifestation of myxedema, which is caused by the accumulation of mucopolysaccharides, which are complex carbohydrates that are normally found in the connective tissues. Mucopolysaccharides can attract water and cause swelling of the tissues, especially in the face and around the eyes. Facial and periorbital edema can also cause the facial features to appear coarse and puffy, and the eyelids to droop.

Choice C reason: Facial muscle twitching is not the expected finding because it is a condition where the facial muscles contract involuntarily, which can be caused by various factors, such as stress, fatigue, or caffeine. Facial muscle twitching is not a common manifestation of myxedema, which can cause the facial muscles to become weak and slow, and the facial expressions to become dull and flat.

Choice D reason: Unilateral ptosis is not the expected finding because it is a condition where one eyelid droops lower than the other, which can be caused by various factors, such as nerve damage, stroke, or tumor. Unilateral ptosis is not a common manifestation of myxedema, which can cause bilateral ptosis, which is the drooping of both eyelids, due to the edema and weakness of the eyelid muscles.

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Correct Answer is B

Explanation

Choice A reason: Glomerulonephritis is an inflammation of the glomeruli, the filtering units of the kidneys. It can cause damage to the renal tissue and lead to intrinsic acute kidney injury, not prerenal acute kidney injury.

Choice B reason: Fluid volume deficit is a condition in which the body loses more fluid than it takes in. It can cause hypovolemia, which reduces the blood flow to the kidneys and impairs their function. This is the most common cause of prerenal acute kidney injury, which is a result of decreased perfusion to the kidneys.

Choice C reason: Neurogenic bladder is a dysfunction of the bladder caused by a nerve problem. It can affect the ability to store or empty urine. It can cause urinary retention, which increases the pressure in the urinary tract and damages the kidneys. This is a type of postrenal acute kidney injury, which is a result of obstruction to the urine outflow.

Choice D reason: Renal calculus is a solid mass formed from crystals in the urine. It can block the ureter, the tube that carries urine from the kidney to the bladder. It can cause hydronephrosis, which is a swelling of the kidney due to accumulation of urine. This is another type of postrenal acute kidney injury.

A. Prostaglandins B. Histamine C. Leukotrienes D. Bradykinin

Correct Answer is B

Explanation

Choice A reason: Prostaglandins are inflammatory mediators that are derived from arachidonic acid. They are involved in both the early and late phases of type 1 hypersensitivity response, but they do not cause immediate bronchoconstriction and vasodilation. They mainly cause pain, fever, and inflammation.

Choice B reason: Histamine is an inflammatory mediator that is stored in mast cells and basophils. It is released during the early phase of type 1 hypersensitivity response, which occurs within minutes of exposure to an allergen. It causes immediate bronchoconstriction and vasodilation, as well as increased vascular permeability, mucus secretion, and itching.

Choice C reason: Leukotrienes are inflammatory mediators that are derived from arachidonic acid. They are involved in the late phase of type 1 hypersensitivity response, which occurs several hours after exposure to an allergen. They cause sustained bronchoconstriction and inflammation, as well as increased mucus production and airway edema.

Choice D reason: Bradykinin is an inflammatory mediator that is formed from plasma proteins. It is not directly involved in type 1 hypersensitivity response, but it may be activated by the complement system, which is part of the innate immune system. It causes vasodilation, increased vascular permeability, and pain.

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The nurse expects to observe which finding during the assessment of a client diagnosed with myxedema?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which risk factor is significant for the development of prerenal acute kidney injury?

Correct Answer is B

Explanation

Which term describes the inflammatory mediator released during the early phase of type 1 hypersensitivity response causing immediate bronchoconstriction and vasodilation?

Correct Answer is B

Explanation

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