A fracture of the cribriform plate might injure the ________ cranial nerve.
A. trigeminal
B. optic
C. glossopharyngeal
D. olfactory
E. facial
Answer: D
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Which myosin isoform is found in fast-twitch muscle?
A) Perinatal B) Extraoccular C) Type I D) Type IIb
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
Bones are constantly undergoing resorption (breaking bone down) for various reasons. Which of the following cells accomplishes this process?
A) osteoblast B) stem cell C) osteoclast D) osteocyte
When the epiphyseal plate is replaced by bone,
A) puberty begins. B) interstitial bone growth begins. C) appositional bone growth begins. D) long bones have reached their adult length. E) the bone becomes more brittle.