A client with a sudden onset of big toe joint pain and swelling is diagnosed with gout. Which pathophysiologic process is producing the symptoms of gout?

Deposition of crystals in the synovial space of the joints produces inflammation and irritation.

Chondrocyte injury destroys joint cartilage, producing osteophytes and joint inflammation.

An immune complex and autoantibody deposition in connective tissue results in inflammation.

An autoimmune inflammation involving IgG response to an antigen causes joint destruction.

Answer and Explanation

The Correct Answer is A

Gout is a type of inflammatory arthritis caused by the deposition of monosodium urate crystals in the joints and surrounding tissues. Here's an explanation of the pathophysiological process producing the symptoms of gout:

A) Deposition of crystals in the synovial space of the joints produces inflammation and irritation:

Correct. In gout, elevated levels of uric acid in the blood lead to the formation and deposition of monosodium urate crystals in the synovial fluid of joints, particularly in the big toe joint (first metatarsophalangeal joint) in many cases. These crystals trigger an inflammatory response, activating immune cells and causing swelling, redness, warmth, and severe pain in the affected joint. The inflammation and irritation result from the body's immune response to the presence of these crystals.

B) Chondrocyte injury destroys joint cartilage, producing osteophytes and joint inflammation:

This option describes a process more characteristic of osteoarthritis, where degeneration of joint cartilage leads to the formation of osteophytes (bone spurs) and joint inflammation. Gout involves the deposition of urate crystals rather than direct chondrocyte injury.

C) An immune complex and autoantibody deposition in connective tissue results in inflammation:

This process describes the pathophysiology of autoimmune diseases such as rheumatoid arthritis, where immune complexes and autoantibodies contribute to inflammation and tissue damage. In gout, the inflammation is primarily triggered by the deposition of urate crystals rather than immune complex deposition.

D) An autoimmune inflammation involving IgG response to an antigen causes joint destruction:

This option describes the autoimmune process seen in diseases like rheumatoid arthritis, where antibodies target specific antigens, leading to joint destruction. Gout is not an autoimmune disease, and joint destruction in gout is primarily due to inflammation caused by urate crystal deposition rather than autoimmune mechanisms.

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Correct Answer is A

Explanation

The atrioventricular (AV) node is an essential component of the cardiac conduction system responsible for transmitting electrical impulses from the atria to the ventricles. The inherent rate of the AV node refers to its intrinsic ability to generate electrical impulses in the absence of external influences.

Here's a breakdown of each option:

A) 40 to 60:

Correct. The inherent rate of the AV node is typically 40 to 60 beats per minute (bpm). This rate is slower than that of the sinoatrial (SA) node, which has an inherent rate of 60 to 100 bpm. The AV node acts as a backup pacemaker, ensuring that the ventricles receive electrical impulses even if the SA node fails to function properly.

B) 20 to 40:

This range is not consistent with the typical inherent rate of the AV node. A rate of 20 to 40 bpm would be unusually slow and could indicate significant conduction system abnormalities rather than the normal functioning of the AV node.

C) 60 to 80:

This range is more characteristic of the inherent rate of the SA node rather than the AV node. The SA node is the primary pacemaker of the heart, and its inherent rate is typically 60 to 100 bpm.

D) 80 to 100:

Similar to option C, this range is more consistent with the inherent rate of the SA node rather than the AV node. The SA node typically has a faster intrinsic rate compared to the AV node.

A. Abnormal growth results in loss of bladder muscle tone. B. Inflammation causes spasms of the gland. C. The enlarged gland compresses the urethra. D. Nerve compression decreases the sensation that the bladder is full

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.

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A client with a sudden onset of big toe joint pain and swelling is diagnosed with gout. Which pathophysiologic process is producing the symptoms of gout?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

What is the inherent rate of the AV (atrioventricular) node area?

Correct Answer is A

Explanation

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

During an interview with a male client who has Parkinson's disease (PD), the nurse notices that he is drooling and mumbling. Which pathophysiological factor contributes to the client's inability to express himself?

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The nurse assesses the wound of a client who received sutures for a laceration of the hand two days ago. Which finding is a normal inflammatory response?

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Which physiological process supports the exchange of blood concentrations across a semipermeable membrane in the hemodialysis?

The nurse is caring for an immobilized client who is at risk for breakdown in skin integrity. Which pathophysiological process should the nurse note early in the development of a pressure injury?