Concept: Fluids and Electrolytes (Nursing)
Über den Vortrag
Der Vortrag „Concept: Fluids and Electrolytes (Nursing)“ von Rhonda Lawes, PhD, RN ist Bestandteil des Kurses „Concepts (Nursing)“.
Quiz zum Vortrag
Approximately what percentage of total body water is found in the intracellular fluid (ICF)?
- 67%
- 33%
- 25%
- 50%
- 10%
When blood osmolality rises, in which direction does water move?
- Out of cells into the bloodstream
- Into cells from the bloodstream
- From the interstitial space into cells
- From the bloodstream into the interstitial space
- From cells into the interstitial space
Which findings are classic clinical signs of significant dehydration? (Select all that apply.)
- Low blood pressure
- Tachycardia
- Altered mental status
- Dark, concentrated urine
- Bradycardia
- Elevated blood pressure
Which neurological symptoms can result from brain cell shrinkage in hypernatremia? (Select all that apply.)
- Confusion
- Lethargy
- Irritability
- Muscle fasciculations
- Visual disturbances
- Peripheral numbness
How does hypokalemia lead to life-threatening cardiac dysrhythmias?
- It destabilizes the electrical gradient across heart cell membranes.
- It causes calcium to flood into heart cells.
- It blocks sodium entry during cardiac depolarization.
- It slows sinoatrial node firing below a viable rate.
- It triggers direct depolarization of ventricular cells.
Which electrolyte is primarily responsible for controlling water movement between body compartments?
- Sodium
- Potassium
- Magnesium
- Calcium
- Phosphorus
What is the normal serum range for sodium?
- 135–145 mEq/L
- 3.5–5.0 mEq/L
- 1.7–2.2 mEq/L
- 8.5–10.5 mg/dL
- 2.5–4.5 mg/dL
Critically low phosphorus is the hallmark danger of which clinical syndrome?
- Refeeding syndrome
- Nephrotic syndrome
- Cushing's syndrome
- Addisonian crisis
- Tumor lysis syndrome
Dozent des Vortrages Concept: Fluids and Electrolytes (Nursing)
Rhonda Lawes, PhD, RN
Dr. Rhonda Lawes is a distinguished nursing education leader who serves as Chief Nursing Officer at Lecturio. With her PhD in Educational Psychology from Oklahoma State University (2023) focused on academic resilience, self-efficacy, and academic mindset, Dr. Lawes brings a unique blend of clinical expertise and educational psychology to nursing education.
Throughout her 35+ year career spanning clinical practice, academic leadership, and educational content development, Dr. Lawes has created over 1,400 educational videos for nursing students worldwide. Her extensive teaching experience includes serving as Assistant Professor at the University of Oklahoma College of Nursing and current role as Adjunct Professor at Oral Roberts University.
A prolific presenter and thought leader, Dr. Lawes regularly delivers keynotes and workshops at national and international nursing conferences, focusing on clinical judgment development, NCLEX preparation, and innovative teaching strategies. Her research and publications in nursing education reflect her commitment to developing resilient, competent healthcare professionals prepared to excel in today's complex healthcare environment.
Dr. Lawes combines academic rigor with an engaging teaching style that inspires both students and faculty, making her a respected voice in nursing education and a valuable leader at Lecturio.
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