The nurse is preparing to administer medications to a client with osteoarthritis. What is the purpose of the medications?

Choice A reason: Heberden's nodes are not a symptom of lupus. Heberden's nodes are bony swellings that form on the distal interphalangeal joints of the fingers. They are a sign of osteoarthritis, which is a degenerative joint disease that causes pain, stiffness, and reduced mobility.

Choice B reason: Chvostek's sign is not a symptom of lupus. Chvostek's sign is a facial twitch that occurs when the facial nerve is tapped near the ear. It is a sign of hypocalcemia, which is a low level of calcium in the blood. Hypocalcemia may be caused by various conditions, such as hypoparathyroidism, vitamin D deficiency, or renal failure.

Choice C reason: OsgoodSchlatter's disease is not a symptom of lupus. OsgoodSchlatter's disease is a condition that affects the growth plate of the tibia, which is the shin bone. It causes pain, swelling, and tenderness below the knee. It is common in adolescents who are active in sports that involve running, jumping, or bending the knee.

Choice D reason: Butterfly rash is a classic symptom of lupus. Butterfly rash is a malar rash that appears across the cheeks and the bridge of the nose. It is a common sign of systemic lupus erythematosus (SLE), which is an autoimmune disease that causes inflammation and damage to various organs and tissues. The rash may flare up or fade depending on the disease activity and exposure to sunlight.

Choice A reason: Polyuria is the production of abnormally large amounts of urine, which can be caused by various factors, such as diabetes, kidney disease, or diuretics. Polyuria is not an expected finding in a client with inflammation, which is the body's response to injury or infection. Inflammation does not affect the urinary system directly, unless the inflammation is located in the kidneys or bladder.

Choice B reason: Edema is the swelling of tissues due to excess fluid accumulation, which can be caused by various factors, such as heart failure, liver disease, or venous insufficiency. Edema is not an expected finding in a client with inflammation, which is the body's response to injury or infection. Inflammation does not cause fluid retention, but rather fluid leakage from the blood vessels into the interstitial spaces.

Choice C reason: Heat is an expected finding in a client with inflammation, which is the body's response to injury or infection. Heat is caused by the increased blood flow to the inflamed area, which brings more oxygen and nutrients to the damaged tissues. Heat also helps to kill or inhibit the growth of microorganisms that may cause infection.

Choice D reason: Erythema is an expected finding in a client with inflammation, which is the body's response to injury or infection. Erythema is the redness of the skin due to the dilation of the blood vessels in the inflamed area, which increases the blood flow and the delivery of oxygen and nutrients to the damaged tissues. Erythema also helps to signal the presence of inflammation and attract immune cells to the site.

Choice E reason: Pain is an expected finding in a client with inflammation, which is the body's response to injury or infection. Pain is caused by the stimulation of the nerve endings by chemical mediators, such as histamine, prostaglandins, and bradykinin, that are released by the inflamed tissues. Pain also helps to alert the client of the injury or infection and to limit the movement or use of the affected area.