Here is a figure showing major body cavities and other structures. What does "C" represent?
A. Pelvic cavity
B. Abdominal cavity
C. Thoracic cavity
D. Diaphragm
E. Mediastinum
Answer: C
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Compared to spinal nerves, how specialized are cranial nerves?
A. More specialized B. Less specialized C. Equally specialized D. Depends on age
During the citric acid cycle, an acetyl CoA molecule produced in the intermediate stage combines with a molecule of
A. oxaloacetic acid. B. pyruvate. C. citrate. D. succinate.
Someone with the genotype associated with hereditary pancreatitis might not show symptoms of the disorder because the disorder does not have a _________ level of 100%
A. dominance B. penetrance C. polygenicity D. homozygous E. sex-linkage
Intact skin provides protection because
A. macrophages roam in the epidermis. B. it forms a physical barrier against the entry of microbes. C. the skin enhances water loss from the body. D. the skin contains components of the excretory system. E. its secretions keep the skin slightly alkaline.