A client is diagnosed with amyotrophic lateral sclerosis (ALS). Which pathophysiological process should the nurse use when providing the client with information about this disease prognosis?

It occurs as a complication of a spinal cord injury.

Muscle weakness is progressive, degenerative, and fatal.

Mental status changes occur late in the disease.

Autonomic nervous system and sensory changes occur.

Answer and Explanation

The Correct Answer is B

Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, is a progressive neurodegenerative disorder affecting motor neurons in the brain and spinal cord. Understanding the pathophysiological process of ALS is crucial for providing accurate information about the disease prognosis to the client. Here's why option B is the correct choice:

A) It occurs as a complication of a spinal cord injury:

This statement is incorrect. ALS is not a complication of a spinal cord injury. While both conditions involve motor neuron dysfunction, they have different etiologies and pathophysiological processes. ALS is characterized by the degeneration of motor neurons in the brain and spinal cord, leading to muscle weakness and atrophy, whereas spinal cord injury results from trauma to the spinal cord.

B) Muscle weakness is progressive, degenerative, and fatal:

Correct. ALS is characterized by progressive degeneration of motor neurons, leading to muscle weakness, atrophy, and eventual paralysis. The disease is relentless and fatal, typically within 2 to 5 years of diagnosis, although survival can vary widely among individuals. As motor neurons degenerate, voluntary muscle control is lost, eventually affecting the ability to speak, swallow, breathe, and move. Respiratory failure is the most common cause of death in ALS patients.

C) Mental status changes occur late in the disease:

While cognitive and behavioral changes can occur in some individuals with ALS, particularly in the later stages of the disease, they are not universal. ALS primarily affects motor neurons, leading to progressive muscle weakness and paralysis. However, some individuals may experience frontotemporal dementia (FTD), a type of cognitive impairment characterized by changes in behavior, personality, and language.

D) Autonomic nervous system and sensory changes occur:

ALS primarily affects motor neurons rather than sensory neurons or the autonomic nervous system. Sensory symptoms such as numbness, tingling, or loss of sensation are not typical features of ALS. Autonomic dysfunction, including changes in heart rate, blood pressure, or bowel and bladder function, is not a prominent feature of ALS.

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Correct Answer is C

Explanation

Benign prostatic hyperplasia (BPH) is a condition characterized by non-cancerous growth of the prostate gland, leading to its enlargement. This enlargement can contribute to urinary retention by obstructing the flow of urine through the urethra. Here's the breakdown of the explanation:

A) Abnormal growth results in loss of bladder muscle tone:

While BPH can lead to urinary symptoms such as urinary frequency, urgency, and nocturia, it does not directly cause loss of bladder muscle tone. Instead, the enlarged prostate gland obstructs the bladder outlet, making it difficult for urine to pass through the urethra.

B) Inflammation causes spasms of the gland:

Inflammation of the prostate gland, known as prostatitis, can cause symptoms such as pelvic pain, dysuria, and urinary frequency, but it is not typically associated with BPH. BPH is characterized by benign growth of the prostate tissue rather than inflammation and spasms.

C) The enlarged gland compresses the urethra:

Correct. The primary mechanism by which BPH causes urinary retention is by compressing the urethra, which obstructs the flow of urine from the bladder. As the prostate gland enlarges, it can constrict the urethra, leading to symptoms such as hesitancy, weak urinary stream, incomplete emptying, and urinary retention.

D) Nerve compression decreases the sensation that the bladder is full:

While compression of nerves in the pelvic region can contribute to urinary symptoms, such as decreased sensation of bladder fullness, it is not the primary mechanism by which BPH causes urinary retention. The compression of the urethra by the enlarged prostate gland is the main factor leading to urinary obstruction and retention.

A. Fatigue and weakness. B. Cardiac dysrhythmias. C. Fever and infection. D. Decreased clotting time.

Correct Answer is A

Explanation

A) Fatigue and weakness:

Correct. The client's hemoglobin and hematocrit levels are below the reference ranges, indicating mild anemia. Anemia, characterized by low red blood cell count or hemoglobin levels, can lead to symptoms such as fatigue, weakness, and shortness of breath, as the body's oxygen-carrying capacity is reduced. Fatigue and weakness are common manifestations of anemia and are indicative of tissue hypoxia due to decreased oxygen delivery.

B) Cardiac dysrhythmias:

While severe anemia can lead to cardiac complications, such as dysrhythmias, the client's hemoglobin and hematocrit levels are only slightly below the reference ranges, indicating mild anemia. Cardiac dysrhythmias are more commonly associated with severe anemia or acute changes in hemoglobin levels rather than the mild anemia indicated in this scenario.

C) Fever and infection:

Anemia is not typically associated with fever and infection. While anemia may occur secondary to chronic inflammatory conditions or certain infections, the client's symptoms of fatigue and weakness are more directly related to the decreased oxygen-carrying capacity of the blood due to mild anemia.

D) Decreased clotting time:

Anemia is not directly associated with changes in clotting time. While severe anemia can lead to alterations in platelet function and clotting factors, the client's hemoglobin and hematocrit levels are only slightly below the reference ranges, indicating mild anemia. Decreased clotting time is not a typical manifestation of mild anemia.

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A client is diagnosed with amyotrophic lateral sclerosis (ALS). Which pathophysiological process should the nurse use when providing the client with information about this disease prognosis?

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Naxlex Comprehensive Predictor Exams

Which explanation should the nurse give to a male client on why benign prostatic hyperplasia (BPH) often causes urinary retention

Correct Answer is C

Explanation

Correct Answer is A

Explanation

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