Final Exam: BIOD 151 Portage Learning Final Exam: (20233/2024) | Graded A| Questions and Verified Answers
Final Exam: BIOD 151 Portage Learning Final Exam: (20233/2024) | Graded A| Questions and Verified Answers 1. From widest to narrowest, the branches of the bronchial tree are: ~ Primary bronchi, secondary bronchi, tertiary bronchi, bronchioles ~ Bronchioles, primary bronchi, secondary bronchi, tertiary bronchi ~ Tertiary bronchi, secondary bronchi, primary bronchi, bronchioles ~ Secondary bronchi, tertiary bronchi, primary bronchi, bronchioles 2. Explain why someone who has hypergastrinemia (excessive secretion of gastrin) might develop gastric/stomach ulcers. ~ Someone who has hypergastrinemia may develop stomach ulcers because of the increased gastrin which stimulates secretions of hydrochloric acid and pepsinogens. These can irritate the stomach lining and break it down which would lead to ulcers. 3. Explain why a patient with liver disease would have intolerance to fatty foods. ~ The liver produces bile which breaks down fats. If it is not producing bile (or less bile), fats will not be broken down effectively. 4. A patient has a diagnosis of osteoporosis. (1) In your own words, describe this diagnosis and (2) What type of bone cell would they be lacking? Explain your answer. ~ Osteoporosis is a bone disease in which bone tissue degenerates which causes weak bones. This can lead to fractures. They would be lacking osteoblasts which would be decreased and would inhibit bone repair. Basically, the speed of bone breakdown would be higher than that of repair. 5. When extensor digitorum contracts, what action(s) occurs? ~ Elbow extension ~ Wrist extension ~ Extension of digit 1 ~ Extension of digits 2-5 6. When flexor digitorum profundus contracts, what action(s) occurs? ~ Wrist flexion ~ Elbow flexion ~ Flexion of digits 2-5 ~ Flexion of digit 1 7. Would you expect a male to have estrogen in their bloodstream? Explain why or why not. ~ Yes. Both male and female bodies produce "all" the sex hormones. However, the ratios are different. ~ The adrenal glands are largely responsible for producing this "opposite" hormone that the testis would not 8. Would you expect a female to have testosterone in their bloodstream? Explain why or why not. ~ Yes, you would expect this because both females and males produce this sex hormone. The important thing is that testosterone is not the same ratio in females as it is in males. This is because the hormone is produced in the adrenal glands and acts as an opposite hormone because it is not produced in the ovaries. 9. I lower the level of calcium in the blood by depositing calcium into bone.
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