Role of Hormones as Messengers and Regulators
Role of Hormones as Messengers and Regulators: Overview
This Topic covers sub-topics such as Erythropoietin, Catecholamines, Gastric Inhibitory Peptide, Gastrointestinal Hormones, Cholecystokinin, Gastrin, Atrial Natriuretic Factor, Secretin, Hormones of Kidney and, Hormones of Heart
Important Questions on Role of Hormones as Messengers and Regulators
Secretin is secreted by
Statement I: The juxta-glomerular cells of kidney produce a steroid hormone called erythropoietin which stimulates erythropoiesis.
Statement II: Secretin acts on the endocrine pancreas & stimulate secretion of water & bicarbonate ions.
The _____ of kidney produces peptide hormone called _____ which stimulates erythropoiesis.
Match the following columns.
| Column I (Production site) |
Column II (Hormones) |
| (A) Atrial wall | (1) |
| (B) Thyroid gland | (2) |
| (C) Parathyroid | (3) |
| (D) | (4) gastrin and secretin |
Which of the following hormone is released from the kidney in response to hypoxia?
Endocrine glands are the glands that secrete hormones directly into the blood. Which among the following do not secrete any hormone?
Which of the following is incorrect match w.r.t. hormone, its source and the target organ?
Hormone involved in the discharge of pancreatic juice in mammals is
Which one of the following is both hormone and enzyme
Cholecystokinin and secretin are
Angiotensin is derived from plasma protein "angiotensinogen" by the action of renin and other nervous stimuli. Angiotensin stimulates the following
Which one of the following four secretions is correctly matched with its source, target and nature of action
| Secretion | Source | Target | Action | |
| (a) | Gastrin | Stomach lining | Oxyntic cells | Production of HCI |
| (b) | lnhibin | Sertoli cells | Hypothalamus | Inhibition of secretion of gonadotropi n releasing hormone |
| (c) | Enterokinase | Duodenum | Gall bladder | Release of bile juice |
| (d) | Atrial Natriuretic Factor (ANF) | Sinu atria node (SAN) M-cells of Atria | Juxta-glomerular apparatus (JGA) | Inhibition of release of renin |
Atrial Natriuretic Factor is mainly secreted by:
Erythropoietin is produced by
What is the function of enterogastrone?
CCK acts on
The secretin acts on
Which of the following is a gastrointestinal hormone?
Select the option with correct pairing for below columns.
| Column-I | Column-II | ||
| (A) | Secretin | (1) | Stimulate the secretion from gastric glands |
| (B) | Gastrin | (2) | Stimulates secretion of water and bicarbonates in pancreatic Juice |
| (C) | CCK | (3) | Inhibit gastric secretion and motility |
| (D) | GIP | (4) | Stimulate the secretion of pancreatic enzymes |
Which of the following is incorrect match w.r.t. hormone, its source and the target organ?
