Q. No.Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilisation:
1.
Insulin
2.
Glucagon
3.
Secretin
4.
Gastrin
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
GnRH, a hypothalamic hormone, needed in reproduction, acts on:
| 1. | Anterior pituitary gland and stimulates secretion of LH and FSH. |
| 2. | Posterior pituitary gland and stimulates secretion of oxytocin and FSH. |
| 3. | Posterior pituitary gland and stimulates secretion of LH and relaxin. |
| 4. | Anterior pituitary gland and stimulates secretion of LH and oxytocin. |
Hypersecretion of Growth Hormone in adults does not cause further increase in height, because?
| 1. | Epiphyseal plates close after adolescence. |
| 2. | Bones lose their sensitivity to Growth Hormone in adults. |
| 3. | Muscle fibres do not grow in size after birth. |
| 4. | Growth Hormones become inactive in adults. |
Which one of the following hormones is not involved in sugar metabolism?
1. Cortisol
2. Aldosterone
3. Insulin
4. Glucagon
Which one of the following hormones though synthesised elsewhere, is stored and released by the master gland?
1. Melanocyte-stimulating hormone
2. Antidiuretic hormone
3. Luteinizing hormone
4. Prolactin
1. Low secretion of growth hormone
2. Cancer of the thyroid gland
3. Over secretion of pars distalis
4. Deficiency of iodine in diet
Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/deficiency symptom:
| Endocrine gland | Hormone | Function/deficiency symptom | |
| (A) | Posterior Pituitary | Growth Hormone (GH) | Oversecretion stimulates abnormal growth |
| (B) | Thyroid gland | Thyroxine | Lack of iodine in diet results in goitre |
| (C) | Corpus luteum | Testosterone | Stimulates spermatogenesis |
| (D) | Anterior pituitary | Oxytocin | Stimulates uterus contraction during childbirth |
1. (A)
2. (B)
3. (C)
4. (D)
Identify the hormone with its correct matching of source and function:
| 1. | Oxytocin- posterior pituitary, growth and maintenance of mammary glands. |
| 2. | Melatonin- pineal gland, regulates the normal rhythm of sleep-wake cycle. |
| 3. | Progesterone- corpus-luteum, stimulation of growth and activities of female secondary sex organs. |
| 4. | Atrial natriuretic factor- ventricular wall increases blood pressure. |
Fight - or - flight reaction cause activation of:
| 1. | the parathyroid glands, leading to increased metabolic rate. |
| 2. | the kidney, leading to suppression of the rennin angiotensin-aldosterone pathway. |
| 3. | the adrenal medulla, leading to increased secretion of epinephrine and norepinephrine |
| 4. | the pancreas leading to a reduction in blood sugar levels. |
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