Describe the digestive tract wall
What will be an ideal response?
The digestive tract wall has the same general structure throughout most of its length from the esophagus to the anus, with some local variations characteristic for each region. A cross section of the digestive tube reveals four major tissue layers. From the innermost layer outward, they are the mucosa, the submucosa, the muscularis externa, and the serosa.
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Which of the following is not a characteristic of cranial bones?
A. They may be paired or unpaired. B. They are in contact with meninges. C. They form the cranial fossae. D. They protect the brain. E. They develop from pharyngeal arches.
Decreased ADH levels results in a urine high in ________.
A. K+ B. glucose content C. H+ D. water content E. bicarbonate content
The coracoid process is found on the
A. fibula. B. scapula. C. humerus. D. ulna. E. femur.
How is calcium concentration in the body regulated?
A) By chloride and phosphate concentrations in the plasma B) By sodium and calcium concentrations in the plasma C) By hormones D) By the parasympathetic nervous system E) By the sympathetic nervous system