Which of the following symptoms is indicative of a deficiency of vitamin C?

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Subcutaneous pinpoint hemorrhages, also known as petechiae, are a common sign of a vitamin C deficiency. Vitamin C is necessary for the production of collagen, which helps to maintain the integrity of blood vessels. Without enough vitamin C, blood vessels can become weak and easily rupture, leading to petechiae. Hair loss, muscle spasms, and dermatitis are not typically associated with a deficiency of vitamin C.

Which of the Following Symptoms Is Indicative of a Deficiency