A nurse is caring for a client who has a long history of diabetes mellitus and is being admitted to the emergency department confused, flushed, and with an acetone odor breath. Diabetic ketoacidosis (DKA) is suspected. The nurse should anticipate using which of the following types of insulin to treat this client?

Choice A reason: Increased hunger is not associated with SIADH, which involves excessive antidiuretic hormone causing water retention. Hunger is more related to metabolic or hypothalamic disorders. SIADH affects fluid and electrolyte balance, primarily leading to hyponatremia, not appetite changes, making this choice incorrect.

Choice B reason: Hypernatremia is not expected in SIADH. Excessive antidiuretic hormone causes water retention, diluting serum sodium and leading to hyponatremia. Hypernatremia occurs in conditions like diabetes insipidus with water loss, not SIADH’s water excess, making this an incorrect manifestation.

Choice C reason: Hyponatremia is a hallmark of SIADH, as excessive antidiuretic hormone increases renal water reabsorption, diluting serum sodium (below 135 mEq/L). This can cause neurological symptoms like confusion, especially post-craniotomy, where brain injury may trigger ADH release, making this the expected finding.

Choice D reason: Weight loss is not typical in SIADH, which causes water retention, leading to weight gain from fluid accumulation. Weight loss occurs in conditions like diabetes insipidus with water loss, not SIADH’s fluid retention, making this an incorrect manifestation for the condition.

Choice A reason: Diabetes does not typically cause bruising or nosebleeds. It involves glucose dysregulation, leading to symptoms like polyuria or neuropathy. Bruising and bleeding are unrelated to diabetes pathophysiology, making this an incorrect condition for the client’s symptoms.

Choice B reason: Pancreatitis, often linked to alcohol use, causes abdominal pain and elevated enzymes but not primarily bruising or nosebleeds. These symptoms are more related to liver dysfunction, making pancreatitis an incorrect diagnosis for the client’s bleeding tendencies.

Choice C reason: Hepatitis A causes acute liver inflammation with symptoms like jaundice and fatigue but is less associated with chronic alcohol use or bleeding tendencies. Bruising and nosebleeds suggest chronic liver damage, making hepatitis A less likely than cirrhosis.

Choice D reason: Cirrhosis, common in alcohol use disorder, causes bruising and nosebleeds due to impaired liver synthesis of clotting factors and thrombocytopenia from portal hypertension. These hematologic abnormalities, coupled with alcohol history, make cirrhosis the most likely condition for the client’s symptoms.