Q. No.A decrease in blood glucose is most likely to result in:
1. decreased insulin and glucagon production.
2. increased glucagon production.
3. glycogen being released into the blood.
4. increased glucagon production followed by glucose release from the liver.
1. decreased insulin and glucagon production.
2. increased glucagon production.
3. glycogen being released into the blood.
4. increased glucagon production followed by glucose release from the liver.
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When dehydration occurs, the response of the human body would be that:
1. More ADH is secreted.
2. Urine will become less concentrated.
3. Diuretic hormone will be secreted.
4. The urine output will increase.
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A person has weight loss, nervousness, tachycardia and intolerance to heat. He may be suffering from:
| 1. hypothyroidism | 2. diabetes |
| 3. cretinism | 4. hyperthyroidism |
One of the reasons for iodine to be a part of a balanced diet would be:
1. Iodine is needed for an enzyme that facilitates the synthesis of thyrotropin-releasing hormone (TRH).
2. The thyroid gland cannot produce thyroxine without iodine, which leads to the goiter condition.
3. Iodine is necessary for the proper functioning of the thyroid, adrenals and pancreas.
4. The iodine is needed for positive feedback to the hypothalamus and the anterior pituitary to stimulate the thyroid to produce more thyroxine. This in turn prevents the goiter condition.
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Glucocorticoids are characterized by all except:
1. Glucocorticoids stimulate the breakdown of muscle proteins into amino acids.
2. Cortisol is a glucocorticoid.
3. Glucocorticoids stimulate the pancreas to produce the enzymes needed for gluconeogenesis.
4. Glucocorticoids are released during times of stress.
Melatonin:
1. levels decrease in darkness and increase in daylight.
2. is secreted by the hypothalamus.
3. is secreted by the pineal gland under the control of the anterior pituitary.
4. is secreted by the pineal gland under the control of the hypothlamus.
A temporary endocrine gland in the human body is?
| 1. pineal gland | 2. corpus cardiacum |
| 3. corpus luteum | 4. corpus allatum |
GnRH, a hypothalamic hormone, needed in reproduction, acts on the
1. anterior pituitary gland and stimulates secretion of LH and oxytocin
2. anterior pituitary gland and stimulates secretion of LH and FSH
3. posterior pituitary gland and stimulates secretion of oxytocin and FSH
4. posterior pituitary gland and stimulates secretion of LH and relaxin
The posterior pituitary gland is not a ‘true’ endocrine gland because
1. it is provided with a duct
2. it only stores and releases hormones
3. it is under the regulation of hypothalamus
4. it secretes enzymes
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Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/deficiency symptom
| Endocrine gland | Hormone | Function/deficiency symptoms | |
| 1. | Anterior pituitary | Oxytocin | Stimulates uterus contraction during child birth |
| 2. | Posterior pituitary | Growth Hormone (GH) | Over-secretion stimulates abnormal growth |
| 3. | Thyroid gland | Thyroxine | Lack of iodine |
| 4. | Corpus luteum | Testosterone | Stimulates spermatogenesis |
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