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Child Development Associate - PreSchool (CDA) Practice Tests & Test Prep by Exam Edge - Free Test


Our free Child Development Associate - PreSchool (CDA) Practice Test was created by experienced educators who designed them to align with the official Child Development Associate content guidelines. They were built to accurately mirror the real exam's structure, coverage of topics, difficulty, and types of questions.

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Child Development Associate - PreSchool - Free Test Sample Questions

What vitamin is necessary for the body to make collagen?





Correct Answer:
vitamin c.


the correct answer to the question of which vitamin is necessary for the body to make collagen is vitamin c. vitamin c, also known as ascorbic acid, plays a crucial role in the synthesis of collagen, which is a vital protein in the body. collagen is essential for the structure and health of skin, bones, and connective tissues.

vitamin c acts as a cofactor in the enzymatic process that stabilizes and cross-links the collagen molecules. this process is critical for collagen's structural integrity and function. without sufficient vitamin c, the body cannot properly form collagen, leading to impaired wound healing, skin issues, and other health problems associated with weakened connective tissues such as scurvy.

the other vitamins listed (vitamin d, vitamin e, and vitamin k) also have important roles in the body, but they do not directly influence collagen synthesis like vitamin c. for example, vitamin d is crucial for calcium absorption and bone health, vitamin e acts primarily as an antioxidant, and vitamin k is necessary for blood clotting. however, none of these vitamins are involved in collagen production to the extent or in the manner that vitamin c is.

therefore, ensuring an adequate intake of vitamin c, whether through diet or supplements, is fundamental for maintaining strong and healthy connective tissues throughout the body. this is why vitamin c is often highlighted in discussions about skin health, anti-aging treatments, and overall nutritional wellness.