Chemical Coordination and Integration NEET MCQ

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MCQ on Chemical Coordination and Integration for NEET Students

ACTH stimulates the secretion of

(A) hormones of the adrenal medulla

(B) glucocorticoids

(C) gastro-intestinal hormones

(D) thyroid hormones

Option b – glucocorticoids

Which of the following stimulates the secretion of HCl and pepsinogen?

(A) GIP

(B) CCK

(C) Gastrin

(D) Secretin

Option c – Gastrin

……… gland is located in the bony cavity called sella turcica.

(A) Pituitary

(B) Adrenal

(C) Parathyroid

(D) Thymus

Option a – Pituitary

Read the following statements and select the correct option. Statement I: Hypothalamus is the basal part of the diencephalon. Statement II: Oxytocin and vasopressin hormones secreted by the hypothalamus are transported axonally to the neurohypophysis.

(A) Statement I is correct and II is incorrect.

(B) Statement I is incorrect and II is correct.

(C) Both Statements I and II are correct.

(D) Both Statements I and II are incorrect.

Option c – Both Statements I and II are correct.

Which of the following is the CORRECT sequence of layers (from inside to outside) in the adrenal cortex?

(A) Zona fasciculata – Zona reticularis – Zona glomerulosa

(B) Zona glomerulosa → Zona fasciculata → Zona reticularis

(C) Zona reticularis → Zona fasciculata → Zona glomerulosa

(D) Zona fasciculata → Zona glomerulosa – Zona reticularis

Option c – Zona reticularis → Zona fasciculata → Zona glomerulosa

The Juxtaglomerular cells of the kidney produce a hormone

(A) Secretin

(B) Cholecystokinin

(C) Erythropoietin

(D) ANF

Option c – Erythropoietin

The hormones involved in maintaining blood sugar levels are

(A) ADH and Vasopressin

(B) Insulin and glucagon

(C) TCT and PTH

(D) FSH and LH

Option b – Insulin and glucagon

Which of the following is NOT caused due to hyposecretion of endocrine glands?

(A) Addison’s disease

(B) Acromegaly

(C) Diabetes insipidus

(D) Cretinism

Option b – Acromegaly

Mineralocorticoids are secreted by

(A) adrenal cortex

(B) adrenal medulla

(C) thymus gland

(D) thyroid gland

Option a – adrenal cortex

The thyroid gland secretes a hormone called …….. which regulates blood calcium levels.

(A) Thyrocalcitonin

(B) Thyroxine

(C) Triiodothyronine

(D) All of these

Option a – Thyrocalcitonin

Which of the following are gonadotropins?

(A) MSH and TSH

(B) FSH and LH

(C) FSH and ACTH

(D) TSH and LH

Option b – FSH and LH

……… is a hypercalcemic hormone.

(A) PTH

(B) TCT

(C) Erythropoietin

(D) Oxytocin

Option a – PTH

Which of the following is an androgen?

(A) Cortisol

(B) Testosterone

(C) Melatonin

(D) Oxytocin

Option b – Testosterone

……. reduces cellular glucose uptake and utilization.

(A) Insulin

(B) Glucagon

(C) Progesterone

(D) Oestrogen

Option b – Glucagon

Which of the following is INCORRECT regarding progesterone?

(A) It is a polypeptide hormone.

(B) It plays a major role in the development of the mammary glands.

(C) It supports a pregnancy.

(D) It is secreted by the ovary.

Option a – It is a polypeptide hormone.

Which of the following hormone produces anti-inflammatory reactions and suppresses the immune response?

(A) Aldosterone

(B) Cortisol

(C) ANF

(D) Oestrogen

Option b – Cortisol

After ovulation, the corpus luteum mainly secretes which of the following hormone?

(A) MSH

(B) TSH

(C) Progesterone

(D) FSH

Option c – Progesterone

…….. stimulates the contraction of the uterus during parturition.

(A) Progesterone

(B) Oxytocin

(C) Prolactin

(D) Oestrogen

Option b – Oxytocin

The hormone PTH is secreted by

(A) the thyroid gland

(B) the parathyroid gland

(C) the thymus gland

(D) the hypothalamus.

Option b – the parathyroid gland

Which amongst the following is a steroid hormone?

(A) Testosterone

(B) Thyroxine

(C) Thymosin

(D) Thyrocalcitonin

Option a – Testosterone

Identify the INCORRECT match.

(A) Nor-epinephrine – Decreases heartbeat and rate of respiration

(B) Luteinizing hormone – Stimulates gonadal activity

(C) Testosterone – Development and maturation of male accessory sex organs

(D) Glucocorticoids – Stimulate gluconeogenesis and lipolysis.

Option a – Nor-epinephrine – Decreases heartbeat and rate of respiration

The hormone responsible for maintaining diurnal rhythm is

(A) Calcitonin

(B) Melatonin

(C) Secretin

(D) Cholecystokinin

Option b – Melatonin

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