BIOL2402 – HUMAN
ANATOMY & PHYSIOLOGY II
2025 | ACTUAL Q&A |
100% CORRECT (THE
ULTIMATE GUIDE FOR
2026/2027)
Study Ace Smart
, Lecture Exam #4– BIOL2402 – Human Anatomy & Physiology II –
05/02/2025 Name: ______________________________
1) The body's water volume is closely tied to the level of which of the following
ions?
A) calcium ions
B) potassium ions
C) hydrogen ions
D) sodium ions X
2) When antidiuretic hormone (ADH) levels are low, ________.
A) most of the water reaching the collecting ducts is not reabsorbed X
B) aquaporins are inserted into the collecting duct principal cell apical membranes
C) nearly all of the filtered water is reabsorbed
D) a small volume of concentrated urine is excreted
3) Which of the following hormones is important in the regulation of sodium ion
concentrations in the extracellular fluid?
A) antidiuretic hormone
B) erythropoietin
C) aldosterone X
D) renin
4) Respiratory acidosis can occur when ________.
A) a person consumes excessive amounts of antacids
B) a person's breathing is shallow due to obstruction X
, C) a runner has completed a very long marathon
D) the kidneys secrete hydrogen ions
5) In a car accident, Jane suffered a chest injury that resulted in impaired
breathing and respiratory acidosis. How will her body compensate for this
imbalance? A) Kidneys retain hydrogen ions.
B) Kidneys retain bicarbonate ions. X
C) Kidneys eliminate bicarbonate ions.
D) Kidneys eliminate carbon dioxide.
6) Which of the following describes the distribution of sodium and potassium
between cells and body fluids?
A) K+ mainly in the cells, Na+ in the body fluids X
B) Na+ mainly in the cells, K+ in the body fluids
C) equal amounts of each ion in the cells and body fluids
D) little of either in the cells, but large amounts of each in the body fluids
7) A falling blood pH and a rising partial pressure of carbon dioxide due to
pneumonia or emphysema indicates ________.
A) respiratory acidosis X
B) respiratory alkalosis
C) metabolic acidosis
D) metabolic alkalosis
8) The movement of fluids between cellular compartments ________.
A) requires active transport