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8 multiple-choice questions and 3 flashcards on Urinary System and Fluid Balance, about 5% of the HS Anatomy & Physiology bank. Every one carries a written rationale.
Urinary System and Fluid Balance is one of 13 chapters in CoStudy's HS Anatomy & Physiology bank, and it holds 8 of the bank's 150 multiple-choice questions — roughly 5% of the total. That proportion is not arbitrary: chapters follow the certifying body's published exam outline, and the number of questions in each is set by that domain's published weight, so the share of your practice time this chapter takes matches the share of the real exam it accounts for.
Studying by chapter is worth doing once you have a diagnostic score. A single overall percentage tells you whether you are close; it does not tell you which domain is dragging. Working a weak chapter in isolation, and re-testing it in isolation, is the fastest way to move a score that has stalled — and it is why the mock exams in CoStudy report by domain rather than as one number.
1 questions drawn from this chapter, with the full rationale shown — the controlling principle behind the right answer, and why each wrong option tempts and fails.
Major hormones include:
Answer: B — Insulin/glucagon (blood glucose), thyroxine (T₄, metabolism), cortisol (stress), epinephrine, growth hormone, sex hormones (estrogen, testosterone), ADH, oxytocin, etc.
Key hormones: insulin (pancreas, lower glucose), glucagon (raises), thyroxine (metabolic rate), cortisol (long-term stress, blood glucose), epinephrine/norepinephrine (fight-or-flight), GH (growth), sex hormones, ADH (water retention), oxytocin (labor/bonding), PTH (calcium).
1 cards from the 3 in this chapter.
Skin functions?
Protection, temperature regulation, sensation, vitamin D synthesis, excretion (sweat).
These are a sample. The full Urinary System and Fluid Balance chapter runs 11 items with per-chapter progress tracking, on the web and in the iOS app.
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