Adult bladder volume ranges from nearly zero up to about what figure?
AUp to about 200 mL
BUp to about 600 mL
CUp to about 1200 mL
DUp to about 2000 mL
Answer & Solution
Correct answer: B. Up to about 600 mL
1. The bladder wall is highly distensible and its lining transitions from columnar to squamous as it stretches.
2. Adult volumes run from nearly empty up to about 500 to 600 mL.
3. The urge to void appears far below that, at roughly 150 mL.
4. A figure of 2000 mL is closer to a whole day of urine output than to bladder capacity.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 25 "The Urinary System", section 25.2 Gross Anatomy of Urine Transport_
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