Which of the following are signs of dehydration in adults

Which of the following are signs of dehydration in adults

Which of the following are signs of dehydration in adults? (Select all that apply)

A. Dry oral mucosa

B. Decreased urine output

C. Tachycardia

D. Hypertension

Answer: A, B, C

Explanation: Dehydration causes dry mucosa, oliguria, and tachycardia (compensatory); hypotension (not hypertension) occurs in severe dehydration.