Answer the following statements true (T) or false (F)
1. The pharyngeal-esophageal phase of swallowing is involuntary and is controlled by the swallowing center in the thalamus and lower pons.
2. All the chemical and mechanical phases of digestion from the mouth through the small intestine are directed toward changing food into forms that can pass through the epithelial cells lining the mucosa into the underlying blood and lymphatic vessels.
3. Pepsinogen is the precursor to the gastric enzyme for protein digestion and is secreted by the parietal cells.
4. The main chemical activity of the stomach is to begin the digestion of proteins.
5. The major role of absorption in the ileum is to reclaim bile salts to be recycled back to the liver
1. FALSE
2. TRUE
3. FALSE
4. TRUE
5. TRUE
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Indicate whether the statement is true or false
Which portion of the spinal column articulates with the pelvis?
A. Thoracic B. Sacral C. Lumbar D. Coccyx
Which of the following is NOT a function of cerebrospinal fluid?
A. Provides nutrients to CNS tissue B. Provides oxygen to CNS tissue C. Provides a protective cushion around the CNS D. Protects the brain from rapid, jarring head movements
Which sinus does the number 1 indicate?
A. Frontal sinus B. Anterior sinus C. Ethmoidal sinus D. Maxillary sinus E. Sphenoidal sinus