This figure shows the muscles that move the tongue. What muscle does number 1 indicate?
A. Hyoglossus
B. Stylohyoid
C. Styloglossus
D. Genioglossus
E. Palatoglossus
Answer: A
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Which of the following is not a branch of the celiac trunk?
A. Splenic artery B. Left gastric artery C. Renal artery D. Common hepatic artery E. All of these are branches of the celiac trunk.
Why are elderly people vulnerable to hypothermia?
A. They produce fewer keratinocytes. B. They produce less keratin. C. They produce less melanin. D. They have less blood circulating through their skin. E. Their skin is more wrinkled.
Which of these statements concerning the larynx is incorrect?
A. The larynx contains three unpaired cartilages. B. When the vestibular folds come together, they prevent air from leaving the lungs. C. Unlike the other cartilages of the larynx, the epiglottis consists of hyaline cartilage. D. The epiglottis prevents food particles from entering the larynx. E. The larynx has all of these properties.
The most prevalent antibody in blood and lymph is
A. IgA. B. IgC. C. IgD. D. IgE. E. IgG.