A person is being examined for possible cataracts. What information in the person's health history should be identified as contributing to the development of cataracts?
A. Trauma
B. Congenital defects
C. Sun exposure
D. Increased eye pressure
Answer: C
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Someone with a heart block would have
A. a long P-R interval. B. a long T-P interval. C. a short P-R interval. D. a short T-P interval.
Solar plexus is another name for (the)
A) superior mesenteric plexus. B) celiac plexus. C) hypogastric plexus. D) esophageal plexus. E) None of the answers are correct.
Loss of myelin is called ________________
Fill in the blank(s) with correct word
When a sperm cell comes into contact with an egg cell, there is a change in the electrical charge across the plasma membrane and various channel proteins close. These channels would be called
A. chemical-gated channels. B. ligand-gated channels. C. open-gated channels. D. nongated ion channels. E. voltage-gated channels.