Based on the function it performs, which portion of the brain is considered the most ancient from an evolutionary perspective?
1.hindbrain
2.midbrain
3.forebrain
4.none of the choices (all are similar)
1
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Which of the following is true about polio?
a. it is an X-linked genetic disease b. it has been virtually eliminated worldwide c. it is a disease that kills motor neurons d. it most frequently affects adults e. all of these are true about polio
Which of the following statements regarding leptospirosis in incorrect?
A. The causative organism is a spirochete. B. Humans acquire it by contact with abraided skin or mucous membranes. C. It is most common in cattle, horses, pigs, and dogs. D. It can be transmitted by animal bites. E. The causative organism infects the kidneys, liver, brain, and eyes.
Cilia and flagella are most similar in
a. length. b. the kinds of cells that have them. c. the number that cells usually have. d. their internal composition and structure. e. their location along the cell's periphery
The shape of the external portion of the ear is maintained by:
A. elastic cartilage B. adipose tissue C. fibrocartilage D. hyaline cartilage