What is homeostasis?
Breakdown of substances
Energy transfer
The process of cell division
Maintaining a stable internal environment
The Correct Answer is D
A. Breakdown of substances: Breakdown of substances is catabolism, a metabolic process but not the definition of homeostasis.
B. Energy transfer: Energy transfer is part of metabolism; homeostasis is the broader maintenance of internal conditions.
C. The process of cell division: Cell division (mitosis/cytokinesis) changes cell number; it is not the definition of homeostasis.
D. Maintaining a stable internal environment: Homeostasis is the regulation of internal conditions (temperature, pH, ion balances) within narrow limits.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Anaphase: Anaphase is a stage of mitosis when sister chromatids separate and move to opposite poles, not when DNA is replicated.
B. Mitosis: Mitosis is the process of nuclear division; DNA replication occurs before mitosis, not during it.
C. Cytokinesis: Cytokinesis is the division of the cytoplasm following mitosis and does not involve DNA replication.
D. Interphase: Interphase (specifically the S phase) is when DNA replication occurs prior to mitosis.
Correct Answer is C
Explanation
A. Inferior: Inferior means farther from the head or toward the lower part of the body.
B. Proximal: Proximal denotes nearer to the trunk or point of origin of a limb, not specifically closer to the head.
C. Superior: Superior means toward the head or upper part of a structure.
D. Distal: Distal means farther from the trunk or point of origin (opposite of proximal).
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