1. Hypophysis | 2. Hypothalamus |
3. Corpora quadrigemina | 4. Mammillary body |
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A | B | |
1. | Anterior pituitary | Posterior pituitary |
2. | Superior colliculus | Inferior colliculus |
3. | Pineal gland | Pituitary gland |
4. | Broca’s area | Sella turcica |
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I: | A are hypothalamic neurons that produce ADH and Oxytocin |
II: | B is the infundibulum or pituitary stalk |
III: | C is a portal vein |
IV: | D is pars distalis |
V | E is pars nervosa |
1. | I and II only | 2. | I, II and III only |
3. | I and III only | 4. | II and III only |
1. Only I is correct | 2. Only I and III are correct |
3. Only II is correct | 4. I, II and III are correct |
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I. Under normal physiological conditions, a decrease in the levels of thyroid hormones in the blood will lead to an increase in the secretion of TRH by Hypothalamus. II. Under normal physiological conditions, a decrease in the levels of thyroid hormones in the blood will lead to a decrease in the secretion of TSH by Anterior pituitary. |
1. Only I | 2. Only II |
3. Both I and II | 4. Neither I nor II |
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1. | Only IV | 2. | Only IV and V |
3. | Only III | 4. | I, II and III |
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1. | Only I | 2. | Only II |
3. | Both I and II | 4. | Neither I nor II |
1. Addison’s disease | 2. Hashimoto’s disease |
3. Gull’s disease | 4. Conn’s syndrome |
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1. | Calcium | 2. | Iron |
3. | Iodine | 4. | Zinc |
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I: | In bone, PTH enhances the release of calcium from the large reservoir contained in the bones. |
II: | \((HPO^{2-}_4)\) from the tubular fluid. | In the kidney, PTH stimulates reabsorption of calcium but inhibits the reabsorption of phosphate
III: | It activates vitamin D, which in turn enables intestinal epithelium to absorb calcium. |
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