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Midterm Exam: PN 4003 / PN4003 (Latest Update 2025 / 2026) Variations in Health | Questions & Answers | 100% Correct | Grade A - SCC

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Midterm Exam: PN 4003 / PN4003 (Latest Update 2025 / 2026) Variations in Health | Questions & Answers | 100% Correct | Grade A - SCC Question: Hyponatremia (low Na⁺) Answer: Causes: Excess water, heart/kidney failure, vomiting/diarrhea. S/S: Nausea, confusion, headache, seizures, coma, muscle weakness. range: 135-145 mEq/L Question: calcium range Answer: calcium - range: 8.5-10.5 mg/dL Question: phosphate range Answer: Phosphate range: 2.5-4.5 mg/dL Question: potassium range Answer: Potassium - range: 3.5-5.0 mEq/L

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Midterm Exam: PN 4003 / PN4003
(Latest Update )
Variations in Health | Questions &
Answers | 100% Correct | Grade A -
SCC


Question:
Hyponatremia (low Na⁺)
Answer:
Causes: Excess water, heart/kidney failure, vomiting/diarrhea.


S/S: Nausea, confusion, headache, seizures, coma, muscle weakness.


range: 135-145 mEq/L




Question:
calcium range
Answer:
calcium - range: 8.5-10.5 mg/dL

,Question:
phosphate range
Answer:
Phosphate range: 2.5-4.5 mg/dL




Question:
potassium range
Answer:
Potassium - range: 3.5-5.0 mEq/L




Question:
magnesium range
Answer:
Magnesium - range: 1.5-2.5 mEq/L




Question:
chloride range
Answer:
Chloride - range: 96-106 mEq/L

,Question:
Hypernatremia (high Na⁺)
Answer:
Causes: Dehydration, diabetes insipidus, excessive salt intake.


S/S: Thirst, dry mucous membranes, agitation, restlessness, seizures.


sodium - range: 135-145 mEq/L




Question:
Hypokalemia (low K⁺)
Answer:
Causes: Diuretics, GI losses (vomiting/diarrhea), inadequate intake.


S/S: Muscle weakness, cramps, fatigue, arrhythmias, flattened T waves.


Potassium - range: 3.5-5.0 mEq/L

, Question:
Hyperkalemia (high K⁺)
Answer:
Causes: Renal failure, acidosis, tissue damage.


S/S: Muscle weakness, paresthesia, arrhythmias, peaked T waves, cardiac
arrest.


Potassium - range: 3.5-5.0 mEq/L




Question:
Hypocalcemia (low Ca²⁺)
Answer:
Causes: Hypoparathyroidism, vitamin D deficiency, renal disease.


S/S: Tetany, paresthesia, Chvostek's and Trousseau's signs, seizures.


calcium - range: 8.5-10.5 mg/dL

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