Fight or flight reactions cause activation of
1. the parathyroid glands, leading to increased metabolic rate
2. the kidney, leading to suppression of reninangiotensin-aldosterone pathway
3. the adrenal medulla, leading to increased secretion of epinephrine and norepinephrine
4. the pancreas leading to a reduction in the blood sugar levels
Select the answer which correctly matches the endocrine gland with the hormone it
secretes and its function/deficiency symptom
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Endocrine gland Hormone Function/deficiency symptoms
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1. Anterior pituitary Oxytocin Stimulates uterus contraction during
child birth
2. Posterior pituitary Growth Oversecretion stimulates abnormal
Hormone(GH) growth
3. Thyroid gland Thyroxine Lack of iodine in diet results in goitre
4. Corpus Luteum Testosterone Stimulates spermatogenesis
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Which one of the following pairs of hormones are the examples of those that can easily
pass through the cell membrane of the target cell and bind to a receptor inside it (mostly
in the nucleus)?
1. Insulin and glucagon
2. Thyroxin and insulin
3. Somatostatin and oxytocin
4. Cortisol and testosterone
Given ahead is an incomplete table about certain hormones, their source glands and one major effect of each on the body in humans. Identify the correct option for the three blanks A, B and C.
Gland |
Secretion |
Effect on body |
A
Alpha cells of islets of Langerhans Anterior pituitary |
Oestrogen
B
|
Maintenance of secondary sexual characters Raises blood sugar level |
Options :
A B C
1. Placenta Insulin Vasopressin
2. Ovary Insulin Calcitonin
3. Placenta Glucagon Calcitonin
4. Ovary Glucagon Growth hormone
Low Ca2+ in the body fluid may be the cause of
1. tetany
2. anaemia
3. angina pectoris
4. gout
Which one of the following pairs is incorrectly matched?
1. Glucagon - Beta cells (source)
2. Somatostatin - Delta cells (source)
3. Corpus luteum - Relaxin (secretion)
4. Insulin - Diabetes mellitus (disease)
In human adult females, oxytocin
1. is secreted by anterior pitutiary
2. Stimulates growth of mammary glands
3. Stimulates pitutary to secrete vasopressin
4. causes strong uterine contractions during parturition
Which one of the following pairs of organs includes only the endocrine glands?
1. Parathyroid and adrenal
2. Pancreas and parathyroid
3. Thymus and testes
4. Adrenal and ovary
Feeling the tremor of an earthquake a scared resident of seventh floor of a multistoryed
building starts climbing down the stairs rapidly. Which hormone initiated this action?
1. Thyroxine
2. Adrenaline
3. Glucagon
4. Gastrin
A sequential expression of a set of human genes occurs when a steroid molecule binds to
the:
1. transfer RNA
2. messenger RNA
3. DNA sequence
4. ribosome