Which Phrase Below Describes the Structure of Hemoglobin?
A)either An \alpha

question 30

Multiple Choice

Which phrase below describes the structure of hemoglobin?

• A)either an \(\alpha\)-globin or a\(\beta\)-globin chain
• B)an \(\alpha\)-globin and a \(\beta\)-globin chain
• C)two \(\alpha\)-globin and two \(\beta\)-globin chains
• D)three \(\alpha\)-globin chains and one \(\beta\)-globin chain
• E)four \(\alpha\)-globin or four \(\beta\)-globin chains

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Definitions:

Parchment-Like Skin

Describes skin that appears thin, dry, and wrinkled, similar to parchment paper, often associated with aging or certain medical conditions.

Excessive Lanugo

An unusually high amount of fine, soft hair covering the body, often seen in newborns or as a symptom of certain conditions.

Retinopathy

A disorder of the retina which may result in impaired vision or blindness, often related to diseases such as diabetes or hypertension.

Pulse Oximetry

A non-invasive method to measure the oxygen saturation level of the blood, typically using a sensor placed on a thin part of the patient's body.