12. Vitamins are (A) Accessory food factors (B) Generally synthesized in the body (C) Produced in endocrine glands (D) Proteins in nature
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- Oxidation of which substance in the body yields the most calories (A)Glucose (B)Glycogen (C)Protein (D) Lipids1. What are vitamins?14. Which of the following is essential for vitamin B12 absorption? (a) Hydrochloric acid (b) Calcium (c) Intrinsic factor (d) Sodium bicarbonate 15. The bile salts is essential for the action of which enzyme? (a) Lipase enzyme (b) Pepsin enzyme (c) Amylase enzyme (d) Trypsin enzyme 16. Which hormone produces uterine contraction during delivery? (a) Prolactin (b) Oxytocin (c) Growth hormone (d) Estrogen 17. All of the following are synovial joints EXCEPT: (a) Wrist joint (b) Thumb joint (c) Elbow joint (d) Pubic symphysis 18. All the following are structures of muscle fiber EXCEPT: (a) Myofibril (b) Sarcoplasm (c) Chondroblast (d) Sarcolemma 19. The basic functions of epithelial tissue include: (a) Protection (b) Secretion (c) Absorption (d) All of the above 20. Functions of the retina include: (a) Vision (b) Hearing (c) Olfaction (d) Taste 3
- 21. The body is capable of catabolizing many substances as sources of energy. Which of the Tollowing would be used as an energy source only after the depletion of other sources and the person is yet not getting any external source of food? A) fat in adipose tissue B) glucose in the blood C) protein in muscle cells D) glycogen in muscle cells E) calcium phosphate in bone 22. Using anatomical terminology, identify the correct order of words that make this a true statement: slightly more than the D) left; inferiorly; right E) right; anteriorly; left The kidney extends kidney. A) right; superiorly; left B) right; inferiorly; left C) left; superiorly; right 23. Most reabsorption of substances from the glomerular filtrate occurs in the: A) glomerulus B) collecting tubule C) proximal convoluted tubule D) ureter E) distal convoluted tubule 24. In which parts of the GIT does digestion happen? A) Mouth B) Esophagus C) Stomach D) Intestine E) A, C, D are correct F) A & B only2. How does the fatty acids concentration changes in the blood during prolonged fasting? To answer the question: a) name the hormone which manages metabolism in this condition; b) draw the scheme of this hormone action on the adipose tissue; 352 Chapter 7. Lipid metabolism c) draw the scheme of the main metabolic pathway providing energy for the liver during prolonged fasting.2. Differentiate water-soluble and fat-soluble vitamins?
- 2.A person did not get food for 3 days and had lost his weight, ketone bodies were revealed in urine. To explain this: a)describe the main metabolic pathways providing energy for the liver cells during starvation and explain its regulation; b) discuss the hormonal changes; c)predict the deleterious effect of prolonged starvation.In the 1930's a chemical known as DNP was touted as en effective diet pill. Weight loss was dramatic in patients taking this drug. However, to quote Efraim Racker (A New Look at Mechanisms in Bioenergetics, Academic Press, 1976, p. 155), ..."the treatment eliminated not only the fat but also the patients,...This discouraged physicians for awhile..." This drug works for weight loss, by causing the leakage of H+ across the inner mitochondrial membrane. Which of the following would you expect to see in patients taking DNP? Select the best answer. Question options: decreased ability to produce ATP increased ability to produce ATP decreased ability to use Krebs cycle to produce ATP slowing down the citric acid cycle.21. The body is capable of catabolizing many substances as sources of energy. Which of the following would be used as an energy source only after the depletion of other sources and the person is yet not getting any external source of food? A) fat in adipose tissue B) glucose in the blood C) protein in muscle cells D) glycogen in muscle cells E) calcium phosphate in bone
- Most vitamins are (a) inorganic compounds (b) components of coenzymes (c) used as fuel (d) electrolytes (e) required by herbivores and carnivores but not omnivores45. A person with a family history, or past personal history, of cancer who experiences night pain and unexplained weight loss within a few weeks should... try a different pillow for sleeping take painkillers before bed and be thankful; heck, many people would love to lose weight! report these symptoms immediately to their doctor add some calories to their diet and begin a yoga routineBone deformities occur due to the excess intake of A) Phosphorus B) Potassium C) Fatty acid O D) Fluorine