Clinical Assessment, Patient Care & Critical Nursing question bank (Anatomy, Physiology & Medical-Surgical Nursing)

Fluid Resuscitation in Severe Burns: What total volume of Ringer's Lactate is indicated in the first 24 hours under the Parkland Formula for a 60 kg adult with $40\%$ Total Body Surface Area (TBSA) thermal burns in 'Human Anatomy & Physiology: Vital Organs, Blood Composition, Electrolytes and Acid-Base Balance'?

Medical-Surgical Nursing (Electrolytes): Which characteristic electrocardiogram (ECG) alteration is the earliest and most prominent hallmark of severe Hyperkalemia ($K^+ > 6.0\text{ mEq/L}$) in 'Human Anatomy & Physiology: Vital Organs, Blood Composition, Electrolytes and Acid-Base Balance'?