Which of the following carries oxygenated blood? 

    ​Approximately what fraction of the U.S. population is at least 65 years old?

    ​What is sarcopenia?

    ​Which of the following types of diets has been shown to prevent or reduce arthritis inflammation?

    ​Which of the following foods seems to relieve rheumatoid arthritis in some people?

All cranial are mixed nerves

    ​Which of the following is a characteristic of alcohol use in the elderly?

There are __________ pairs of spinal nerves in the human body:

Which of the following vertebrae is atypical?

There 24 cranial nerves in the human body