A nurse is caring for a client who is receiving chemotherapy treatments. The client states, "I feel so nauseated after my treatments." Which of the following instructions should the nurse provide the client? (Select all that apply)

Choice A reason: Elastic skin turgor is a sign of adequate hydration and fluid balance. Skin turgor is the ability of the skin to return to its normal shape after being pinched or pulled. When the skin is dehydrated, it loses its elasticity and becomes tented or wrinkled. The nurse should assess the skin turgor on the chest, abdomen, or forehead, and not on the hands or feet, which can be affected by aging or edema.

Choice B reason: Dry mucous membranes are a sign of fluid volume deficit, not fluid volume excess. Mucous membranes are the moist linings of the mouth, nose, eyes, and other body openings. When the body is dehydrated, the mucous membranes become dry, cracked, or sticky. The nurse should assess the mucous membranes for color, moisture, and capillary refill.

Choice C reason: Oliguria is a sign of fluid volume deficit, not fluid volume excess. Oliguria is the production of abnormally small amounts of urine, usually less than 400 mL per day or 30 mL per hour. Oliguria can indicate reduced kidney function, impaired blood flow to the kidneys, or inadequate fluid intake. The nurse should monitor the urine output, color, specific gravity, and presence of blood or protein.

Choice D reason: Tachycardia is a sign of fluid volume deficit, not fluid volume excess. Tachycardia is a rapid heart rate, usually more than 100 beats per minute. Tachycardia can occur when the body is dehydrated, as the heart tries to pump more blood to maintain the blood pressure and perfusion. The nurse should measure the pulse rate, rhythm, quality, and amplitude.

Choice A reason: Diabetes mellitus is not a likely complication of malnutrition, as it is caused by insufficient insulin production or action, not by inadequate food intake. Malnutrition may worsen the outcomes of diabetes, but it does not cause it.

Choice B reason: Pressure injury is a common complication of malnutrition, as it is caused by impaired tissue perfusion and oxygenation due to poor nutrition. Malnutrition can lead to loss of muscle mass, subcutaneous fat, and skin integrity, which increase the risk of developing pressure ulcers.

Choice C reason: Heat intolerance is not a direct complication of malnutrition, as it is caused by impaired thermoregulation due to hormonal or neurological disorders, not by insufficient food intake. Malnutrition may affect the body's ability to cope with heat stress, but it does not cause it.

Choice D reason: Gastroesophageal reflux disease (GERD) is not a typical complication of malnutrition, as it is caused by the backflow of gastric contents into the esophagus due to a weak or incompetent lower esophageal sphincter, not by inadequate food intake. Malnutrition may aggravate the symptoms of GERD, but it does not cause it.