Chemical Coordination and Integration MCQs | Chemical Coordination and Integration Multiple Choice Questions (MCQs) and Answers

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Questions
1 ACTH controls the secretion of
A Insulin
B Norepinephrine
C Epinephrine
D Glucocorticoids

Answer:Glucocorticoids
2 If ‘X’ is a hormone which controls the carbohydrate metabolism in the body and ‘Y’ is a hormone which controls the secretion of ‘X’, then ‘X’ and ‘Y’ are
A insulin and somatotrophin
B Aldosterone and growth hormone
C Glucocorticoid and ACTH respectively
D Glucocorticoid and GHRH

Answer:Glucocorticoid and ACTH respectively
3 In females. LH stimulates ________in the ovary to ________secrete .
A Graafian follicle, lCSH respectively
B Graahan follicle, prolactin respectively
C Corpus luteum, FSH respectively
D Corpus luteum, progesterone respectively

Answer: Corpus luteum, progesterone respectively
4 Graafian follicle gets converted into__________ after ovulation under the effect of __________
A Corpus callosum, GnRH
B Corpus luteum, LH
C Corpus albicans, FSH
D Ovarian follicle, prolactin

Answer: Corpus luteum, LH
5 Which of the following is incorrect w.r.t. neurohypophysis?
A Neurohypophysis is also called pars nervosa
B It synthesises two hormones, oxytocin and vasopressin
C It receives neurohormonesdirectty from neurosecretory cells
D It comprises 25% portion of pituitary gland

Answer: It synthesises two hormones, oxytocin and vasopressin
6 P is a small, round, reddish structure located on the dorsal side of forebrain. It contains a staik and releases a hormone Q which controls diurnal rhythm of the body. P and Q are
A Hypothalamus, MSH respectively
B Pineal gland, melanin respectiveiy
C Pineal gland. melatonin respectively
D Pituitary gland, MSH respectively

Answer:Pineal gland. melatonin respectively
7 A hormone which maintains BMR, regulates the metabolism of proteins and erythropoiesis is
A Adrenaline
B Thymine
C Thyroxine
D Thymosin

Answer:Thyroxine
8 Cretinism can be prevented or cured by the administration of
A Renin
B Aldosterone
C Glucagon
D Thyroxine

Answer:Thyroxine
9 A gland X is present over the surface of another gland Y, latter secretes a hormone that controls the metabolism of proteins. fats and carbohydrate. The X and Y are
A Parathyroid and thyroid gland. respectively
B Pituitary and hypothalamus, respectively
C Adrenal gland and kidney. respectively
D Thymus and heart, respectively

Answer: Parathyroid and thyroid gland. respectively
10 Ram has high level of calcium in his blood. Excess of which hormone can cause this effect?
A Thyrocalcitonin
B Growth hormone
C Parathormone
D lnsulin

Answer:Parathormone
11 The secretin promotes the release of
A HCl and sodium carbonate ions
B HCl and bicarbonate ions in gastric juice
C Water and bicarbonate ions in pancreatic juice
D None of these

Answer:Water and bicarbonate ions in pancreatic juice
12 CCK is secreted by
A Duodenum
B Pyloric part of stomach
C Caecum
D Rectum

Answer: Duodenum
13 Progesterone and estradiol are
A Peptide hormones
B Amino acid derivatives
C Iodothyronines
D Steroid hormones

Answer: Broca’s Area
14 Which of the following forms a hormone receptor complex on the cell membrane?
A Cortisol
B Testosterone
C Insulin
D Progesterone

Answer: Insulin
15 Which of the following can be included under heterocrine glands?
A Thyroid and parathyroid
B Pineal gland
C Gonads and pancreas
D Thymus

Answer:Gonads and pancreas
16 Regulating hormones from hypothalamus reach Adeno-hypophysis through
A Neuron
B Neuroendocrine cells
C Portal blood vessel
D Diffusion

Answer: Portal blood vessel
17 The anterior pituitary hormone that does not Stimulate another endocrine gland is
A Somatotrophin
B Thyrotrophin
C Gonadotrophin
D Adrenocorticotrophin

Answer: Somatotrophin
18 Luteinising hormone (LH) in female
A Helps in the appearance of secondary sexual characters
B Stimulates ovary to secrete oestradiol
C Helps in release of the ovum from the ovary
D Controls the blood pressure

Answer:Helps in release of the ovum from the ovary
19 On surgical removal of pituitary gland there is fall in levels of glucocorticoids and sexcorticoids. This is due to
A Oxytocin is no longer available from pituitary
B Atrophy of adrenal medulla
C Atrophy of adrenal cortex
D LTH from pituitary is no longer available

Answer: Atrophy of adrenal cortex
20 Which pituitary hormone is responsible for enhancing the arterial blood pressure by causing narrowing of arterioles?
A ACTH
B ADH
C Somatotropin
D None of the above

Answer: ADH

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