Which part of the nervous system includes the femoral , radial, and ulnar nerves? A. Somatic B. Autonomic C. Sympathetic D. Parasympathetic {Ans: A. The symphathetic and parasympathetic systems (choice C and D) are part of the autonomic nervous system (choice B), which controls involuntary actions of the smooth muscles, glands, and heart. The somatic nervous system (choice A) has to do with reception of external stimuli and voluntary control of the muscles.}Beriberi is a disease caused by lack of __________. A. thiamine. B. vitamin C. C. niacin. D. protein. {Ans: A. Thiamine (B1) deficiency is often found in people whoes diet consists largely of polished white rice; in refining the rice, the thiamine-rich husk is removed. Beriberi may affect several systems in the body and may lead to paralysis or death.}In which of the following locations would the urinary bladder and internal reproductive organs be found? A. Thoracic cavity. B. Mediastinum. C. Abdominal cavity. D. Pelvic cavity. {Ans: D.}The spleen is part of the ___________. A. nervous system. B. integumentary system. C. lymphatic system. D. urinary system. {Ans: C. The spleen uses lymphocytes and macrophages to filter out bacteria, dead tissue, and foreign matter.}The stomach