The nurse is teaching a client with cancer about skin care for the portal site receiving external beam radiation. Which client action regarding skin care indicates a need for further teaching?

Choice A reason: This is correct because abdominal obesity, also known as central obesity or visceral fat, is one of the criteria for diagnosing metabolic syndrome and a major risk factor for diabetes mellitus and vascular disease. Abdominal obesity is defined as having a waist circumference of more than 40 inches (102 cm) for men or 35 inches (88 cm) for women. Abdominal obesity can increase insulin resistance, inflammation, and blood pressure, which can lead to impaired glucose metabolism and cardiovascular complications.

Choice B reason: This is correct because blood pressure of 150/96 mm Hg is another criterion for diagnosing metabolic syndrome and a significant risk factor for diabetes mellitus and vascular disease. Blood pressure is defined as the force exerted by blood against the walls of blood vessels. Normal blood pressure is less than 120/80 mm Hg, while high blood pressure (hypertension) is 140/90 mm Hg or higher. High blood pressure can damage the blood vessels and organs, such as the heart, kidneys, eyes, and brain, and increase the risk of heart attack, stroke, kidney failure, and vision loss.

Choice C reason: This is incorrect because elevated high density lipoproteins (HDL), also known as good cholesterol, are not a criterion for diagnosing metabolic syndrome or a risk factor for diabetes mellitus and vascular disease. In fact, HDL are beneficial for cardiovascular health because they help remove excess cholesterol from the blood and prevent plaque buildup in the arteries. Normal HDL levels are 40 mg/dL (1.0 mmol/L) or higher for men and 50 mg/dL (1.3 mmol/L) or higher for women.

Choice D reason: This is correct because increased triglyceride levels are another criterion for diagnosing metabolic syndrome and a risk factor for diabetes mellitus and vascular disease. Triglycerides are a type of fat that circulates in the blood and provides energy to cells. Normal triglyceride levels are less than 150 mg/dL (1.7 mmol/L), while high triglyceride levels are 200 mg/dL (2.3 mmol/L) or higher. High triglyceride levels can increase insulin resistance, inflammation, and blood clotting, which can impair glucose metabolism and increase the risk of heart attack and stroke.

Choice E reason: This is correct because hyperglycemia, also known as high blood sugar, is another criterion for diagnosing metabolic syndrome and a hallmark of diabetes mellitus. Hyperglycemia occurs when the body cannot produce enough insulin or use it properly to regulate the amount of glucose in the blood. Normal blood glucose levels are 70 to 99 mg/dL (3.9 to 5.5 mmol/L) before meals and less than 140 mg/dL (7.8 mmol/L) two hours after meals, while hyperglycemia is 126 mg/dL (7.0 mmol/L) or higher before meals or 200 mg/dL (11.1 mmol/L) or higher two hours after meals. Hyperglycemia can damage the blood vessels and organs, such as the eyes, kidneys, nerves, and feet, and increase the risk of infections, ulcers, amputations, and diabetic ketoacidosis.

Choice F reason: This is incorrect because hypothyroidism, also known as underactive thyroid, is not a criterion for diagnosing metabolic syndrome or a direct risk factor for diabetes mellitus and vascular disease. Hypothyroidism occurs when the thyroid gland does not produce enough thyroid hormones, which regulate the body's metabolism, growth, and development. Hypothyroidism can cause symptoms such as fatigue, weight gain, cold intolerance, dry skin, hair loss, constipation, and depression. However, hypothyroidism does not affect the blood glucose or lipid levels directly, but rather indirectly through its effects on weight and appetite.

Choice A reason: Jogging or running are not excellent aerobic exercises for an older adult client with osteoarthritis. These activities can put a lot of stress and impact on the joints, especially the knees, hips, and ankles, which can worsen the pain and inflammation of osteoarthritis. The nurse should advise the client to avoid high-impact exercises that can damage the cartilage and bones.

Choice B reason: Tennis or racquetball are not ideal exercises for an older adult client with osteoarthritis. These activities involve sudden movements, twists, and turns that can strain the joints, especially the elbows, wrists, and shoulders, which can aggravate the symptoms of osteoarthritis. The nurse should advise the client to avoid exercises that can cause joint instability and injury.

Choice C reason: Limiting the exercise to just the daily activities is not a good advice for an older adult client with osteoarthritis. Exercise is important for maintaining joint health, mobility, and function, as well as preventing muscle loss, obesity, and cardiovascular diseases. The nurse should encourage the client to engage in regular moderate exercise that can improve the quality of life and reduce the complications of osteoarthritis.

Choice D reason: Swimming is an excellent exercise for an older adult client with osteoarthritis. Swimming is a low-impact aerobic exercise that can strengthen the muscles, improve the cardiovascular fitness, and enhance the flexibility of the joints without putting too much pressure or stress on them. Swimming can also reduce the pain and stiffness of osteoarthritis by providing a soothing and relaxing effect on the body. The nurse should recommend swimming as a safe and effective exercise for the client.