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Questions and Answers

Potassium (K+)

  • 1.3 - 2.1 mEq/L
  • 3.5 -5.0 mEq/L (correct)
  • 3.0 - 4.5 mg/dL
  • 9.0-10.5 mg/dL

Sodium (Na+):

  • 135-145 mEq/L (correct)
  • 3.0 - 4.5 mg/dL
  • 9.0-10.5 mg/dL
  • 3.5 -5.0 mEq/L

Calcium (Ca++)

  • 3.5 -5.0 mEq/L
  • 1.3 - 2.1 mEq/L
  • 9.0-10.5 mg/dL (correct)
  • 3.0 - 4.5 mg/dL

Magnesium (Mg++)

<p>1.3 - 2.1 mEq/L (D)</p> Signup and view all the answers

Phosphorus (PO4)

<p>3.0 - 4.5 mg/dL (A)</p> Signup and view all the answers

Blood PH

<p>7.35-7.45 (D)</p> Signup and view all the answers

BUN

<p>10-20 mg/dL (A)</p> Signup and view all the answers

Which of the following is NOT considered an extracellular fluid compartment?

<p>Intracellular compartment (C)</p> Signup and view all the answers

Which of the following is responsible for maintaining relatively constant conditions in fluid compartments of the body?

<p>Homeostasis (C)</p> Signup and view all the answers

What percentage of the body is made up of water?

<p>50-60% (A)</p> Signup and view all the answers

Which electrolyte imbalance is often associated with hypomagnesaemia?

<p>Hypokalemia (B)</p> Signup and view all the answers

What is a common cause of hypermagnesemia?

<p>Excessive use of magnesium-containing medications (A)</p> Signup and view all the answers

What electrolyte imbalance is usually found in metabolic acidosis?

<p>Hyperchloremia (A)</p> Signup and view all the answers

What is a potential consequence of continuous hypercalcemia?

<p>Calcium deposits in the eyes and circulatory system (B)</p> Signup and view all the answers

Which of the following is a cause of deficient fluid volume?

<p>Inadequate ADH production (D)</p> Signup and view all the answers

What is the normal range for urine specific gravity?

<p>1.014 - 1.018 (B)</p> Signup and view all the answers

What does serum creatinine level indicate?

<p>Renal function (B)</p> Signup and view all the answers

Which of the following is a symptom of fluid imbalance?

<p>Dyspnea (A)</p> Signup and view all the answers

Which of the following is a characteristic of active transport?

<p>Requires a carrier protein (D)</p> Signup and view all the answers

Which of the following is an example of active transport?

<p>Sodium pump to move Na+ out of the cell into an area of higher concentration (B)</p> Signup and view all the answers

What is the major goal of therapy for respiratory alkalosis?

<p>To treat the underlying cause of the condition (C)</p> Signup and view all the answers

What is the most common cause of respiratory alkalosis?

<p>Hyperventilation (A)</p> Signup and view all the answers

Which of the following is a symptom of hypernatremia?

<p>Thirst (D)</p> Signup and view all the answers

What can hypernatremia lead to if not corrected?

<p>Convulsions (D)</p> Signup and view all the answers

What is the usual treatment for hyponatremia?

<p>Restriction of fluids (B)</p> Signup and view all the answers

What is the cause of hypertonic extracellular fluid deficit?

<p>Abnormal fluid losses (B)</p> Signup and view all the answers

Which of the following is the primary electrolyte in extracellular fluid?

<p>Sodium (Na+) (A)</p> Signup and view all the answers

Which electrolyte is responsible for metabolism of carbohydrates and proteins, storage and use of intracellular energy, and neural transmission?

<p>Magnesium (Mg++) (C)</p> Signup and view all the answers

Which electrolyte is essential for normal membrane excitability, important for transmitting nerve impulses, and needed for protein synthesis and synthesis and breakdown of glycogen?

<p>Potassium (K+) (C)</p> Signup and view all the answers

Which electrolyte is responsible for promoting transmission of nerve impulses, helping regulate muscle contraction and relaxation, and playing a role in clotting?

<p>Calcium (Ca++) (C)</p> Signup and view all the answers

Which of the following is NOT a characteristic of severe fluid volume deficit?

<p>Moist, edematous tissue (C)</p> Signup and view all the answers

Which of the following is true about the distribution of fluid in the body?

<p>Infants have a higher percentage of total body water (B)</p> Signup and view all the answers

Which of the following is NOT an electrolyte?

<p>Glucose (B)</p> Signup and view all the answers

What does osmolality control in the body?

<p>Fluid balance in each body fluid compartment (A)</p> Signup and view all the answers

Which of the following electrolytes is responsible for promoting transmission of nerve impulses, helping regulate muscle contraction and relaxation, and playing a role in clotting?

<p>Potassium (K+) (A)</p> Signup and view all the answers

What is the normal range for sodium (Na+) in the body?

<p>135-145 mEq/L (C)</p> Signup and view all the answers

What is the major goal of therapy for respiratory alkalosis?

<p>Increase carbon dioxide (CO2) levels (B)</p> Signup and view all the answers

What percentage of the body is made up of water?

<p>50-60% (B)</p> Signup and view all the answers

Which of the following electrolytes is responsible for promoting transmission of nerve impulses, helping regulate muscle contraction and relaxation, and playing a role in clotting?

<p>Calcium (Ca++) (D)</p> Signup and view all the answers

Which of the following is a symptom of hyperchloremia?

<p>Muscle weakness (C)</p> Signup and view all the answers

Which of the following is NOT an electrolyte?

<p>Urea (A)</p> Signup and view all the answers

What is the major goal of therapy for hyponatremia?

<p>Decrease water intake (C)</p> Signup and view all the answers

Which of the following is a symptom of hypernatremia?

<p>Headache (B)</p> Signup and view all the answers

Which of the following is a cause of hyponatremia?

<p>Excess fluid intake without sodium (D)</p> Signup and view all the answers

What is the major goal of therapy for hypernatremia?

<p>Oral or IV replacement of water to restore balance (C)</p> Signup and view all the answers

What is the usual treatment for hypotonic extracellular fluid deficit?

<p>Restriction of fluids while the kidneys excrete excess water (B)</p> Signup and view all the answers

Which of the following is a symptom of hyperchloremia?

<p>Muscle cramps (D)</p> Signup and view all the answers

What is the major cause of hypocalcemia?

<p>Inadequate dietary intake of calcium (B)</p> Signup and view all the answers

Which electrolyte imbalance is often associated with hypomagnesemia?

<p>Hypocalcemia (A)</p> Signup and view all the answers

What is the usual treatment for hyperkalemia?

<p>Polystyrene Sulfonate (Kayexelate) (A)</p> Signup and view all the answers

Which of the following is a potential consequence of hyperkalemia?

<p>Irregular heart rate (A)</p> Signup and view all the answers

What is the major goal of therapy for respiratory alkalosis?

<p>Increase Paco2 levels (B)</p> Signup and view all the answers

Which of the following is NOT a symptom of metabolic acidosis?

<p>Increased heart rate (A)</p> Signup and view all the answers

What is the primary electrolyte in extracellular fluid?

<p>Sodium (Na+) (B)</p> Signup and view all the answers

Which of the following is NOT a potential cause of deficient fluid volume?

<p>Adequate ADH production (B)</p> Signup and view all the answers

Which of the following is an accurate statement about urine specific gravity?

<p>A low urine specific gravity indicates deficient fluid volume (C)</p> Signup and view all the answers

Which of the following is NOT a diagnostic test for assessing renal function?

<p>Serum albumin (A)</p> Signup and view all the answers

Which of the following is NOT a symptom associated with fluid imbalance?

<p>Elevated blood pressure (D)</p> Signup and view all the answers

Which of the following is a symptom of severe fluid volume deficit?

<p>Pinched, drawn facial expression (C)</p> Signup and view all the answers

What does a changing urine output reflect?

<p>Attempts by the kidneys to maintain or restore balance (D)</p> Signup and view all the answers

Which electrolyte is responsible for promoting transmission of nerve impulses, helping regulate muscle contraction and relaxation, and playing a role in clotting?

<p>Calcium (Ca++) (B)</p> Signup and view all the answers

What is the normal range for urine specific gravity?

<p>1.005-1.030 (D)</p> Signup and view all the answers

What is the main food for the brain?

<p>Glucose (A)</p> Signup and view all the answers

What is the cause of hypertonic extracellular fluid deficit?

<p>Dehydration (C)</p> Signup and view all the answers

What is the term for the process by which fluid and solutes move across a selectively permeable membrane from an area of higher pressure to an area of lower pressure?

<p>Filtration (A)</p> Signup and view all the answers

Which of the following electrolytes is responsible for maintaining normal nerve and muscle function, regulating fluid balance, and playing a role in blood pressure regulation?

<p>Potassium (C)</p> Signup and view all the answers

What is the term for the condition in which there is an excessive amount of fluid in the extracellular fluid compartment?

<p>Fluid volume excess (A)</p> Signup and view all the answers

Which of the following is NOT a potential cause of electrolyte imbalances?

<p>Excessive intake of electrolytes (B)</p> Signup and view all the answers

Which of the following is NOT a function of sodium (Na+)?

<p>Acid-base balance (A)</p> Signup and view all the answers

What is the primary electrolyte in intracellular fluid?

<p>Potassium (K+) (B)</p> Signup and view all the answers

Which of the following is NOT an example of an electrolyte?

<p>Glucose (A)</p> Signup and view all the answers

What is the main role of water in the body?

<p>Transporting nutrients and wastes (B)</p> Signup and view all the answers

Which electrolyte is mainly found in the intracellular fluid and plays a critical role in the transmission of nerve impulses?

<p>Potassium (K+) (C)</p> Signup and view all the answers

Which electrolyte is responsible for regulating osmotic pressure between fluid compartments and assisting in regulating acid-base balance?

<p>Chloride (Cl-) (B)</p> Signup and view all the answers

Which electrolyte is concentrated in the bones and teeth and plays a role in the transmission of nerve impulses and muscle contraction and relaxation?

<p>Calcium (Ca2+) (A)</p> Signup and view all the answers

Which electrolyte is the most abundant cation in intracellular fluid and is vital to cellular function, metabolism, and neural transmission?

<p>Magnesium (Mg2+) (C)</p> Signup and view all the answers

Which of the following hormones stimulates the release of aldosterone from the adrenal glands?

<p>Renin (C)</p> Signup and view all the answers

What is the function of tubular reabsorption in the kidneys?

<p>To return most of the glomerular filtrate to the circulation (C)</p> Signup and view all the answers

Which of the following hormones is responsible for stimulating the sensation of thirst?

<p>ADH (A)</p> Signup and view all the answers

What is the primary function of the glomerulus in the kidney?

<p>To filter approximately 20% of the blood plasma (D)</p> Signup and view all the answers

What is the process called when a carrier protein transports molecules through membranes toward an area of lower concentration?

<p>Facilitated diffusion (C)</p> Signup and view all the answers

Which of the following is an example of active transport?

<p>Transport of sodium out of the cell into the extracellular fluid (B)</p> Signup and view all the answers

What is the term used to describe the movement of water across a membrane from a less concentrated solution to a more concentrated solution?

<p>Osmosis (C)</p> Signup and view all the answers

What is the term used to refer to the concentration of a solution determined by the number of dissolved particles per kilogram of water?

<p>Osmolality (C)</p> Signup and view all the answers

Which of the following is a potential cause of chronic dehydration in older adults?

<p>Reduced sense of taste (B)</p> Signup and view all the answers

What is the greatest loss of total body water in older adults?

<p>Intracellular fluid compartment (B)</p> Signup and view all the answers

Which of the following is a factor that can contribute to acute fluid deficits?

<p>Trauma (A)</p> Signup and view all the answers

What is the recommended daily fluid intake for adult men according to the Institute of Medicine?

<p>3 L/day (B)</p> Signup and view all the answers

Which of the following conditions has the potential to disrupt fluid balance?

<p>Gastroenteritis (B)</p> Signup and view all the answers

What are some risk factors for fluid and electrolyte imbalances?

<p>Taking diuretics (C)</p> Signup and view all the answers

What are some patient complaints that may be associated with fluid imbalances?

<p>Fatigue and palpitations (B)</p> Signup and view all the answers

How can changes in fluid and electrolyte balance be detected during a physical examination?

<p>Assessing pulse and blood pressure (A)</p> Signup and view all the answers

How can electrolyte disturbances be confirmed?

<p>By analyzing laboratory tests (D)</p> Signup and view all the answers

What are some symptoms of fluid volume deficit?

<p>Muscle weakness and cramps (B)</p> Signup and view all the answers

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