ATI RN
Chapter 2 Cells and Tissues Review Questions Questions
Question 1 of 5
Total body water, expressed as a percentage of body weight
Correct Answer: A
Rationale: Deuterium oxide (D2O) is a standard tracer for measuring total body water via dilution; women have less TBW (~50%) than men (~60%) due to higher fat content.
Question 2 of 5
Blood platelets
Correct Answer: A
Rationale: Platelets are produced by megakaryocytes in bone marrow and lack nuclei; they outnumber WBCs (~150-450K vs. 4-11K per µL).
Question 3 of 5
Red cell formation is increased
Correct Answer: C
Rationale: Hemolytic anemia stimulates erythropoiesis to replace lost RBCs; EPO also works in nephrectomized patients.
Question 4 of 5
Sodium depletion differs from water depletion in that
Correct Answer: B
Rationale: Na+ depletion mainly affects ECF, not ICF; water loss raises hematocrit more.
Question 5 of 5
A person met with an accident in which two long bones of hand were dislocated. Which among the following may be the possible reason?
Correct Answer: C
Rationale: It is ligament break as ligaments help to bind the bones which is an elastic connective tissue with great strength.