Nelson Anderson: Physical Exam Results

Temperature = 98.6
Blood pressure = 90/60
Pulse = 75/min, regular
Respiration = 20/min.
Height = 6 ft. 2 in.
Weight = 185 lbs.
Chest: Rapid heart rate with regular rhythm.
Abdomen: Slightly distended.
Extremities: Peripheral edema present.
Neurologic: Patient is slightly disoriented, appears lethargic and his speech is somewhat slurred. Cranial and sensory nerves normal. Patient shows generalized muscle weakness and mild hyporeflexia.
Other: Dry mucous membranes. Diminished skin turgor.

Questions:

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1. If Mr. Anderson is dehydrated, then his heart rate would probably be...: bradycardic; normal; tachycardic
2. If Mr. Anderson is dehydrated, then his blood pressure would probably be:: lower than normal; normal; higher than normal
3. Do any of Mr. Anderson's other vital signs indicate dehydration? What else would you expect to change?
4. If Mr. Anderson is dehydrated, how can you explain his edema?: Mr. Anderson has hypotonic dehydration.; Mr. Anderson has isotonic dehydration.; Mr. Anderson has hypertonic dehydration.; Mr. Anderson has Hypervolemia.
5. Now look at Mr. Anderson's neurologic exam. What do you suspect is the problem? (Hint: it's an electrolyte imbalance!)
6. What tests do you need to run to confirm your opinion?