After the nurse obtains a blood sample from a client's right radial arterial client reports a sudden onset of pain at the arterial line insertion site. The nurse recognizes which physiological effect may be inducing the sudden pain?

Elevation in blood pressure.

Vasospasm at insertion site.

Clot in the arterial catheter.

Air lock in the transducer.

Answer and Explanation

The Correct Answer is B

A) Elevation in blood pressure:

While elevation in blood pressure could potentially cause discomfort at the arterial line insertion site, it is not the most likely physiological effect to induce sudden pain in this scenario. Blood pressure elevation would typically cause generalized symptoms rather than localized pain at the insertion site.

B) Vasospasm at insertion site:

Correct. Vasospasm refers to the sudden constriction of blood vessels, leading to reduced blood flow. It can occur in response to arterial puncture or manipulation during arterial line insertion, resulting in sudden pain at the insertion site.

C) Clot in the arterial catheter:

A clot in the arterial catheter could potentially cause obstruction and affect blood flow, but it is less likely to induce sudden pain at the insertion site unless there is associated ischemia or tissue damage.

D) Air lock in the transducer:

An air lock in the transducer could disrupt pressure monitoring but is not typically associated with sudden pain at the insertion site. It may lead to inaccurate pressure readings rather than localized pain.

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Free Nursing Study Resources

Correct Answer is C

Explanation

Hypothyroidism is characterized by deficient production of thyroid hormones by the thyroid gland, leading to a decrease in circulating levels of triiodothyronine (T3) and thyroxine (T4). As a compensatory mechanism, the pituitary gland releases increased amounts of thyroid stimulating hormone (TSH) in an attempt to stimulate thyroid hormone production.

A) Increased triiodothyronine (T3) and thyroxine (T4) and decreased thyroid stimulating hormone (TSH):

This pattern of laboratory findings is not consistent with hypothyroidism. Hypothyroidism is characterized by decreased levels of T3 and T4 due to impaired thyroid function, leading to increased TSH levels as a compensatory response. Therefore, this option is incorrect.

B) Increased triiodothyronine (T3) and thyroid stimulating hormone (TSH):

While TSH levels are typically increased in hypothyroidism, T3 levels are usually decreased. Therefore, the combination of increased T3 and TSH is not indicative of hypothyroidism. This option is incorrect.

C) Decreased triiodothyronine (T3) and thyroxine (T4) and increased thyroid stimulating hormone (TSH):

Correct. In hypothyroidism, there is a decrease in both T3 and T4 levels due to impaired thyroid function. As a compensatory mechanism, the pituitary gland releases increased amounts of TSH to stimulate the thyroid gland. Therefore, this pattern of laboratory findings is consistent with hypothyroidism.

D) Decreased thyroid stimulating hormone (TSH), triiodothyronine (T3), and thyroxine (T4):

Decreased levels of TSH, T3, and T4 are not indicative of hypothyroidism. Hypothyroidism is characterized by elevated TSH levels and decreased T3 and T4 levels. Therefore, this option is incorrect.

A. Inflammation results from deposition of crystals in the synovial space of joints producing irritation. B. Inflammation is caused by immune complex and autoantibody deposition in connective tissue. C. Joint inflammation occurs when chondrocyte injury destroys joint cartilage, producing osteophytes. D. Joint destruction happens due to an autoimmune inflammation involving IgG response to an antigen.

Correct Answer is C

Explanation

Chronic osteoarthritis (OA) is a degenerative joint disease characterized by the breakdown of joint cartilage and underlying bone changes. The pathophysiological process of OA involves various factors contributing to joint pain and inflammation. Here's why option C is the correct choice:

A) Inflammation results from deposition of crystals in the synovial space of joints producing irritation:

This statement is more characteristic of crystal-induced arthritis, such as gout or pseudogout, where crystals (e.g., urate or calcium pyrophosphate crystals) deposit in the joints and cause acute inflammation and irritation. While inflammation may occur in OA, it is primarily a result of mechanical stress and cartilage degradation rather than crystal deposition.

B) Inflammation is caused by immune complex and autoantibody deposition in connective tissue:

This statement is more characteristic of autoimmune diseases such as rheumatoid arthritis (RA), where immune complex deposition and autoantibody production lead to chronic inflammation and joint damage. In OA, inflammation is not primarily mediated by immune complex deposition or autoantibodies.

C) Joint inflammation occurs when chondrocyte injury destroys joint cartilage, producing osteophytes:

Correct. In osteoarthritis, joint inflammation occurs as a result of chondrocyte injury and cartilage breakdown. Over time, the degenerative changes in the joint lead to the formation of osteophytes (bone spurs) at the joint margins. These changes can irritate surrounding tissues, including the synovium, ligaments, and tendons, contributing to joint pain and inflammation.

D) Joint destruction happens due to an autoimmune inflammation involving IgG response to an antigen:

This statement is more characteristic of autoimmune arthritis, such as rheumatoid arthritis (RA), where autoantibodies (e.g., rheumatoid factor, anti-citrullinated protein antibodies) target joint tissues, leading to chronic inflammation and joint destruction. In OA, joint destruction primarily results from mechanical stress and wear-and-tear on the joint structures rather than autoimmune mechanisms.

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After the nurse obtains a blood sample from a client's right radial arterial client reports a sudden onset of pain at the arterial line insertion site. The nurse recognizes which physiological effect may be inducing the sudden pain?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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