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Health Sciences Flashcards

6 cards from real CTE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Health Sciences flashcards as text

  1. In Career and Technical Education, what is the purpose of the scientific method in health sciences?

    Answer: To provide a systematic approach for investigating questions and testing hypotheses

    The scientific method provides a structured, systematic approach for asking questions, forming hypotheses, designing experiments, collecting data, and drawing evidence-based conclusions.

  2. What is a controlled variable in an experiment related to Career and Technical Education?

    Answer: A factor that is kept constant throughout the experiment

    Controlled variables (constants) are factors that are deliberately kept the same throughout an experiment to ensure that any observed changes are due to the independent variable being tested.

  3. Which level of biological organization represents the most complex in Career and Technical Education health sciences?

    Answer: Ecosystem

    The hierarchy from simplest to most complex goes: atom → molecule → cell → tissue → organ → organ system → organism → population → community → ecosystem → biosphere.

  4. In Career and Technical Education, what is homeostasis?

    Answer: The body's ability to maintain a stable internal environment despite external changes

    Homeostasis is the process by which biological systems maintain internal stability and balance (temperature, pH, glucose levels, etc.) while adjusting to changing external conditions.

  5. What is the primary function of the mitochondria in cells relevant to Career and Technical Education?

    Answer: To produce energy (ATP) through cellular respiration

    Mitochondria are the "powerhouses" of the cell, converting nutrients into ATP (adenosine triphosphate) through cellular respiration, providing the energy needed for cellular functions.

  6. In Career and Technical Education, what does pH measure?

    Answer: The acidity or alkalinity of a solution on a scale of 0 to 14

    pH measures the hydrogen ion concentration in a solution, indicating its acidity (pH 7) on a scale from 0 to 14.