Most cancers arise due to mutations in somatic cells, if someone has a predisposition to cancer, what genetic circumstance likely exists?
What will be an ideal response?
a germ-line mutation in a proto-oncogene or tumor suppressor, which is inherited
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A patient is diagnosed with a severe intestinal disease caused by E. histolytica. Which of the following treatments should be administered?
a. Diloxanide furoate b. Metronidazole c. Metronidazole plus iodoquinol d. Iodoquinol and diloxanide furoate
It's your birthday and you splurge with a big slice of chocolate cake, heavy on the icing. Shortly afterwards, your blood glucose levels rise until an endocrine mechanism (secretion of insulin) counteracts this rise and glucose levels decline. The initial change in blood glucose and insulin response that follows is an example of:
A. physiological constancy. B. diffusion. C. homeostasis. D. positive feedback. E. lack of homeostasis.
The circulatory system below would be representative of a circulatory system found in a ____
a. frog b. pig
c. bird d. grasshopper e. pig and a bird
The physiological activity of the brain can be visualized using:
A) PET B) CT C) x-ray D) electron microscopy