which of the following best describes cushings syndrome
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Nursing Elites

ATI RN

ATI Pathophysiology Exam 2

1. Which of the following best describes Cushing’s syndrome?

Correct answer: B

Rationale: Cushing’s syndrome is characterized by the excessive production of cortisol by the adrenal glands, not growth hormone (Choice A), insulin (Choice C), or ACTH (Choice D). The increased cortisol levels lead to a variety of symptoms associated with Cushing’s syndrome.

2. Nurse Sharie is assessing a parent who abused her child. Which of the following risk factors would the nurse expect to find in this case?

Correct answer: B

Rationale: The correct answer is B: 'History of the parent having been abused as a child.' Research shows that a history of being abused as a child is a significant risk factor for child abuse. This cycle of abuse can sometimes continue from one generation to the next. Choices A, C, and D are incorrect. Flexible role functioning between parents, a single-parent home situation, and the presence of parental mental illness are important factors to consider in various contexts but may not specifically indicate a higher likelihood of child abuse in this case.

3. A patient with benign prostatic hyperplasia (BPH) is prescribed finasteride (Proscar). What outcome should the nurse expect to observe if the medication is effective?

Correct answer: B

Rationale: The correct answer is B: Decreased prostate size. Finasteride is a medication used to reduce the size of the prostate gland in patients with BPH. By decreasing the size of the prostate, symptoms such as urinary frequency and urgency are improved. Choice A is incorrect as the medication aims to decrease, not increase, urinary symptoms. Choice C is incorrect because the goal of finasteride is to reduce, not increase, the prostate size. Choice D is also incorrect as finasteride is not indicated for lowering blood pressure.

4. When educating a client about to undergo a pacemaker insertion, the nurse explains the normal phases of cardiac muscle tissue. During the repolarization phase, the nurse will stress that membranes must be repolarized before they can be re-excited. Within the cell, the nurse understands that:

Correct answer: A

Rationale: During the repolarization phase of cardiac muscle tissue, potassium channels open while sodium channels close. This process is crucial for the cardiac muscle to return to its resting state after depolarization. Potassium moving out of the cell and sodium staying out helps reset the membrane potential and prepare the cell for the next depolarization phase. The influx of calcium is not the primary stimulus for repolarization in cardiac tissue; it is mainly involved in the depolarization phase. While electrical activity within the heart influences repolarization, the specific ion movements described in choice A are what physiologically drive repolarization. Cell membranes need to be in an active state during repolarization, not calm, to facilitate the necessary ion movements for muscle tissue to properly function.

5. During an assessment of a male client suspected of having a disorder of motor function, which finding would suggest a possible upper motor neuron (UMN) lesion?

Correct answer: B

Rationale: Hyperreflexia, or exaggerated reflexes, is a common sign of an upper motor neuron (UMN) lesion. An UMN lesion indicates damage to the central nervous system pathways that control movement. Hypotonia (choice A) refers to reduced muscle tone, which is more indicative of lower motor neuron lesions. Muscle atrophy (choice C) suggests long-standing denervation or disuse of muscles. Fasciculations (choice D) are involuntary muscle contractions that can be seen in lower motor neuron lesions, like in amyotrophic lateral sclerosis (ALS), rather than UMN lesions.

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