Final answer:
The combining form 'xer/o' means 'dry' and is used in medical terms to describe conditions related to dryness, such as xerosis, which is abnormally dry skin.OPTION 1
Step-by-step explanation:
The term 'xer/o' is a combining form used in medical terminology to denote the meaning 'dry'. This prefix is often used to describe conditions related to dryness of the skin or tissues. For instance, 'xerosis' is a medical term for abnormally dry skin. Based on the reference information, these symptoms seem to describe a condition known as psoriasis, which typically presents with itchy or sore patches of thick, red skin with silvery scales; it commonly affects body parts such as elbows, knees, scalp, back, face, palms, and feet. However, it is important to note that although psoriasis can result in dry skin, the term 'xer/o' specifically relates to the concept of dryness, not the other symptoms or locations associated with psoriasis.
The term Xer/o refers to dryness. In the medical field, it is commonly used to describe conditions related to dryness of the skin or mucous membranes. For example, xerosis is a medical term for dry skin, and xerostomia refers to a dry mouth. It is important to note that Xer/o does not specifically mean scaly, thick, yellow, or white.