Methemoglobin Causes Difficulty with Oxygenation Because

question 40

Multiple Choice

Methemoglobin causes difficulty with oxygenation because

• A) methemoglobin does not carry oxygen as normal hemoglobin would.
• B) carbon monoxide has a greater affinity for the hemoglobin than oxygen.
• C) only 80% of the total oxygen is carried on the hemoglobin.
• D) the anemia causes decreased numbers of hemoglobin receptor sites.

---

Definitions:

Children Leaving

A significant life event for parents, often referred to as "empty nest syndrome," which occurs when their children grow up and leave home for adulthood pursuits.

Presbyopia

A natural condition related to aging in which the eye's lens becomes less flexible, making it difficult to focus on close objects.

Nearsightedness

A common vision condition where objects nearby are seen clearly, but distant objects appear blurred, also known as myopia.

Glaucoma

Irreversible damage to the optic nerve caused by increased pressure in the eye.