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Questions and Answers
Which of the following is NOT a component of extracellular fluid (ECF)?
Which of the following is NOT a component of extracellular fluid (ECF)?
What is the term for the fluid located between cells?
What is the term for the fluid located between cells?
What is the term for the process of moving fluid and electrolytes between intracellular and extracellular spaces to maintain homeostasis?
What is the term for the process of moving fluid and electrolytes between intracellular and extracellular spaces to maintain homeostasis?
Which of the following is NOT a factor that contributes to maintaining fluid and electrolyte balance in the body?
Which of the following is NOT a factor that contributes to maintaining fluid and electrolyte balance in the body?
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What is the term used to describe the accumulation of excess fluid in the peritoneal cavity, often observed in conditions like liver failure?
What is the term used to describe the accumulation of excess fluid in the peritoneal cavity, often observed in conditions like liver failure?
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Which of the following is a cardiovascular manifestation of fluid overload?
Which of the following is a cardiovascular manifestation of fluid overload?
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What may occur if urine output falls below the necessary level?
What may occur if urine output falls below the necessary level?
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What is the typical range of insensible water loss in a person?
What is the typical range of insensible water loss in a person?
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What role does aldosterone play in fluid balance?
What role does aldosterone play in fluid balance?
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When is antidiuretic hormone (ADH) secreted?
When is antidiuretic hormone (ADH) secreted?
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What triggers the release of natriuretic peptides?
What triggers the release of natriuretic peptides?
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What is the function of the renin-angiotensin II pathway?
What is the function of the renin-angiotensin II pathway?
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Why are older patients at higher risk for electrolyte imbalances?
Why are older patients at higher risk for electrolyte imbalances?
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How are electrolyte levels typically determined in patients?
How are electrolyte levels typically determined in patients?
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What happens when a patient consumes a diet high in potassium but their kidneys cannot compensate due to aging?
What happens when a patient consumes a diet high in potassium but their kidneys cannot compensate due to aging?
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What nursing diagnosis is associated with significant dehydration?
What nursing diagnosis is associated with significant dehydration?
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Which of the following is NOT a cause of dehydration?
Which of the following is NOT a cause of dehydration?
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How does the body compensate for decreased blood volume due to significant dehydration?
How does the body compensate for decreased blood volume due to significant dehydration?
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What is the best indicator for fluid losses or gains in a patient?
What is the best indicator for fluid losses or gains in a patient?
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What is the consequence of inadequate tissue perfusion caused by hypovolemia?
What is the consequence of inadequate tissue perfusion caused by hypovolemia?
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Which of the following factors can contribute to dehydration based on environmental exposure?
Which of the following factors can contribute to dehydration based on environmental exposure?
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How much does 1 liter of water weigh in pounds?
How much does 1 liter of water weigh in pounds?
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What is the key difference between diffusion and osmosis?
What is the key difference between diffusion and osmosis?
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Why is the movement of electrolytes important in the body?
Why is the movement of electrolytes important in the body?
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Which of the following scenarios best exemplifies the concept of osmosis in maintaining fluid balance in the body?
Which of the following scenarios best exemplifies the concept of osmosis in maintaining fluid balance in the body?
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What is the minimum daily urine output required for a healthy adult to ensure proper waste elimination?
What is the minimum daily urine output required for a healthy adult to ensure proper waste elimination?
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Which of the following is NOT a primary route of fluid intake for an adult?
Which of the following is NOT a primary route of fluid intake for an adult?
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How does the body regulate fluid balance through intake and output?
How does the body regulate fluid balance through intake and output?
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Which symptom suggests hypovolemia when a patient changes positions?
Which symptom suggests hypovolemia when a patient changes positions?
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What is a potential risk for older adults experiencing dehydration?
What is a potential risk for older adults experiencing dehydration?
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What laboratory finding indicates dehydration?
What laboratory finding indicates dehydration?
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How should fluid overload be assessed over time?
How should fluid overload be assessed over time?
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What nursing intervention is critical in managing dehydration?
What nursing intervention is critical in managing dehydration?
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Which condition may lead to fluid overload?
Which condition may lead to fluid overload?
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What might indicate the presence of hypoxia in a patient?
What might indicate the presence of hypoxia in a patient?
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What change in kidney function is associated with dehydration?
What change in kidney function is associated with dehydration?
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Which intervention is essential for patients with a risk of falls due to dehydration?
Which intervention is essential for patients with a risk of falls due to dehydration?
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What is a sign of poor skin turgor in a dehydrated patient?
What is a sign of poor skin turgor in a dehydrated patient?
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Flashcards
Homeostasis
Homeostasis
The balance of body fluids' volume, concentration, composition, and acidity.
Intracellular Fluid (ICF)
Intracellular Fluid (ICF)
Fluid located inside cells, essential for cellular function.
Extracellular Fluid (ECF)
Extracellular Fluid (ECF)
Fluid outside of cells, including blood, lymph, and interstitial fluid.
Solutes
Solutes
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Solvents
Solvents
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Diffusion
Diffusion
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Osmosis
Osmosis
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Fluid Intake and Output
Fluid Intake and Output
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Minimum Urine Output
Minimum Urine Output
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Basic Metabolic Profile (BMP)
Basic Metabolic Profile (BMP)
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Complete Metabolic Profile (CMP)
Complete Metabolic Profile (CMP)
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Potassium Regulation
Potassium Regulation
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Dehydration Causes
Dehydration Causes
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Fluid Volume Deficit
Fluid Volume Deficit
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Hypovolemia
Hypovolemia
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Weight Measurement
Weight Measurement
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Vasoconstriction
Vasoconstriction
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Insensible Water Loss
Insensible Water Loss
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Aldosterone
Aldosterone
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Antidiuretic Hormone (ADH)
Antidiuretic Hormone (ADH)
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Natriuretic Peptides
Natriuretic Peptides
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Renin-Angiotensin II Pathway
Renin-Angiotensin II Pathway
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Electrolyte Balance
Electrolyte Balance
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Risk Factors for Imbalances
Risk Factors for Imbalances
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Determining Electrolyte Levels
Determining Electrolyte Levels
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Tachycardia
Tachycardia
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Orthostatic Hypotension
Orthostatic Hypotension
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Tachypnea
Tachypnea
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Hypoxia
Hypoxia
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Skin Turgor
Skin Turgor
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Urine Specific Gravity
Urine Specific Gravity
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Fluid Overload
Fluid Overload
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Assessment Findings
Assessment Findings
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Drug Therapy for Dehydration
Drug Therapy for Dehydration
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Patient Safety Interventions
Patient Safety Interventions
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Hypertension
Hypertension
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Pitting Edema
Pitting Edema
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Dyspnea
Dyspnea
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Diuretics
Diuretics
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Nutritional Therapy
Nutritional Therapy
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Fluid Overload Monitoring
Fluid Overload Monitoring
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Study Notes
Adult Health: Fluid & Electrolytes Module A
- Learning Objectives: Define fluid and electrolyte homeostasis, explain fluid and electrolyte physiology & homeostasis regulation, identify causes and manifestations of imbalances, and evaluate treatment outcomes.
What is Homeostasis?
- Body fluid characteristics are balanced in terms of volume, concentration (osmolarity), composition (electrolytes), and acidity (pH).
- Balance is achieved by fluid and electrolyte movement between intracellular and extracellular compartments.
- Imbalances can be dangerous.
Two Types of Fluid in the Body
- Intracellular Fluid (ICF): 40% of body weight, fluid inside cells.
- Extracellular Fluid (ECF): 20% of body weight, fluid outside cells, including blood plasma and interstitial fluid.
Cellular Homeostasis
- Diffusion: Movement of particles from high concentration to low concentration across a permeable membrane. Essential for electrolyte transport.
- Osmosis: Movement of solvent (water) across a selectively permeable membrane to equalise solute concentration.
Fluid Balance
- Fluid intake and output are balanced.
- Daily fluid intake averages 2300 mL, mainly from food and liquids.
- Fluid loss occurs through various routes, but most significantly through urine (minimum 400-600 mL/day to remove waste).
- Insensible water loss (skin, lungs, stool) is also significant (500-1000 mL/day.)
Hormonal Regulation of Fluid Balance
- Aldosterone: Secreted when sodium levels are low in the extracellular fluid; promotes sodium and water reabsorption by the kidneys.
- ADH (Antidiuretic Hormone): Released when blood osmolarity increases; promotes water reabsorption in the kidneys.
- Natriuretic Peptides: Secreted by the heart when blood volume and pressure increase; promotes sodium and water excretion.
- Renin-Angiotensin II Pathway: A critical system for maintaining blood pressure and volume.
Electrolyte Balance & Imbalances
- Electrolyte levels must remain within normal, narrow ranges for proper body function.
- Changes, even small ones, can cause significant problems.
- Older adults, those with kidney disease, or those generally unwell are at higher risk for imbalances.
- Lab tests, such as BMP and CMP, are essential to assess electrolyte levels.
Dehydration
- Fluid intake is insufficient, or fluid loss exceeds intake, resulting in hypovolemia.
- Causes include vomiting, diarrhoea, excessive sweating, and certain medications.
- Symptoms include decreased urine output, weight loss, and changes in skin turgor.
- Assessment, vital signs, and weight monitoring are critical.
Fluid Overload
- Fluid intake or retention exceeds the body's needs, causing hypervolemia.
- Causes include kidney failure, heart failure, and prolonged steroid use.
- Symptoms include increased weight, edema, increased blood pressure, and changes in respiratory rate.
- Monitoring weight, vital signs, and urine output is essential.
Interventions & Patient Safety
- Monitoring vital signs (heart rate and blood pressure) and neurological status (alertness, orientation) is crucial.
- Assess risk of falls due to postural hypotension, and muscle strength, gait stability, and level of alertness.
- Replace fluids as needed to maintain balance or via intravenous (IV) fluids.
- Monitor fluid intake and output.
- Continuous observation for fluid overload or dehydration is essential.
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Description
Test your knowledge on fluid and electrolyte balance in the human body with this quiz. It covers important concepts like extracellular fluid, homeostasis, and the role of hormones in fluid regulation. Perfect for students studying physiology or healthcare.