Endocrine System Questions:
The word “hormone” means
(a) To move
(b) To excite
(c) To initiate
(d) To increase
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Insulin is produced by
(a) Alpha cells
(b) Beta cells
(c) Adrenal cortex
(d) Testis
Who is the “Father of Endocrinology”
(a) Whittaker
(b) Einthoven
(c) Pasteur
(d) T. Addison
Blood sugar level can be decreased by
(a) Insulin given from mouth
(b) Glucagon given through mouth
(c) Intraveinal injection of insulin
(d) Intraveinal injection of glucagon
In males, the essential hormone for secondary sexual characteristics is
(a) Testosterone
(b) Progesterone
(c) Estrogen
(d) Relaxin
Diabetes mellitus is caused due to the deficiency of insulin which is secreted by
(a) Alpha cells
(b) Beta cells
(c) Pituitary
(d) Thyroid
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Corpus luteum is not found in
(a) Frog
(b) Rat
(c) Rabbit
(d) Man
The process by which they synthesis of a hormone is regulated by its concentration in the blood is termed as
(a) Forward excitation
(b) Feedback inhibition
(c) The equilibrium mechanism
(d) The opposing synthesis theory
Which endocrine gland stores its secretion in extracellular space before discharging it into the blood
(a) Adrenal
(b) Pancreas
(c) Testis
(d) Thyroid
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Steroid hormones are almost similar in structure to
(a) Cholesterol
(b) Triglycerides
(c) Tyrosine
(d) Coenzyme A
At menopause, there is a rise in urinary excretion of
(a) STH
(b) LTH
(c) MSH
(d) FSH
Why thyroxine is a hormone not an enzyme
(a) It is secreted in small quantity
(b) It is not a polypeptide
(c) It has no special effect
(d) It is directly poured into blood
Receptors for protein hormones are located
(a) In cytoplasm
(b) On cell surface
(c) In nucleus
(d) On endoplasmic reticulum
Gland that urges you to “fight or flight” in adverse situation is
(a) Adrenal
(b) Pituitary
(c) Thyroid
(d) Parathyroids
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Manifestation of masculinity pattern in females due to hormonal effects is known as
(a) Masculinity
(b) Virilism
(c) Castration
(d) Epitaxis
Endocrine glands produce or Action of endocrine glands is mediated through
(a) Hormones
(b) Enzymes
(c) Minerals
(d) Vitamins
During pregnancy which of the following is secreted through urine of mother
(a) Progestron
(b) Luteinizing hormone
(c) FSH
(d) Chorionic gonadotropin
Cholesterol is necessary for the synthesis of
(a) Vitamin C
(b) Vitamin B
(c) Estradiol
(d) Insulin
Hormones taken in the form of drugs for contraception are
(a) Aldosterone
(b) Estrogens and progesterone
(c) Cortisol
(d) Testosterone
Life saving hormones are secreted by
(a) Pituitary
(b) Pineal
(c) Adrenals
(d) Thyroid
Some athletes take ‘‘steroids’’ in an attempt to enhance their physical performance. This can lead to decreased sperm production and even sterility. What is the most likely explanation for this effect ?
(a) Interference in the proper negative feedback control of testosterone by luteinizing hormone
(b) Increased stimulation of the anterior pituitary to produce luteinizing hormone
(c) Excessive grwoth of testicular tissue
(d) Suppression of the natural production of thyroxin due to the desctruction of thyroid tissue
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Steroid hormones
(a) Pass easily through cell membranes to act in the nucleus
(b) Include testosterone, estrogen and growth hormone
(c) Are only produced in the pituitary gland
(d) Stimulate liver cells to convert glucose to glycogen
Which disease is caused by the deficiency of thyroxin in the adults
(a) Diabetes incipidus
(b) Diabetes mellitus
(c) Myxoedema
(d) Exopthalmic goiter
Gonadotrophic hormone is produced in
(a) Interstitial cells of testis
(b) Adrenal cortex
(c) Adenohypophysis
(d) Ovary
Adrenal glands are found located in abdominal cavity in close association with
(a) Testes
(b) Spleen
(c) Liver
(d) Kidneys
Endocrine glands
(a) Do not possess ducts
(b) Sometimes do not have ducts
(c) Pour their secretion into blood through ducts
(d) Always have ducts
Life saving hormone is secreted by which gland
(a) Adrenal gland
(b) Hypothalamus gland
(c) Pituitary gland
(d) Thyroid gland
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A molecule acting as second messenger in biological system is
(a) c-DNA
(b) c-AMP
(c) t-RNA
(d) hn-RNA
Which one is correctly matched
(a) Relaxin – Gigantism
(b) Prolactin – Cretinism
(c) Parathyroid hormone – Tetany
(d) Insulin – Diabetes insipidus
If adrenal cortex function is impaired, it results in decreased concentration of one of the following in the blood
(a) Ammonium salts
(b) Sodium salts
(c) Glucose
(d) Calcium salts
Parathormone is secreted when there is
(a) Increased Ca2+ level
(b) Decreased blood Ca2+ level
(c) Increased blood sugar level
(d) Decreased blood sugar level
Glucose level of blood is controlled by
(a) Liver
(b) Gall bladder
(c) Ileum
(d) Duodenum
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FSH (follicle stimulating hormone) is produced by
(a) Adrenal cortex
(b) Anterior pituitary lobe
(c) Middle pituitary lobe
(d) Posterior pituitary lobe
Hormone responsible for aggressive behaviour of an animal is
(a) Adrenaline
(b) Thyroxine
(c) ADH
(d) Testosterone
The hormone secreted by intermediate lobe of pituitary is
(a) Oxytocin
(b) Intermedin
(c) Vasopressin
(d) FSH
Intermediate lobe of pituitary secretes a hormone
(a) Oxytocin
(b) Melanocyte stimulating hormone
(c) Corticotropin releasing hormone
(d) Thyrotropin releasing hormone
Which endocrine gland stores its secretion in the extracellular space before discharging it into the blood
(a) Adrenal
(b) Pancreas
(c) Testis
(d) Thyroid
Disease caused by deficiency of iodine is
(a) Goitre
(b) Myxodema
(c) Cretinism
(d) Tetany
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Hormones of pituitary gland are
(a) All proteins
(b) All steroids
(c) Some steroids and some proteins
(d) Complex substances formed from proteins, steroids and carbohydrates
Gonadotrophic hormones are produced in the
(a) Posterior part of thyroid
(b) Adrenal cortex
(c) Adenohypophysis of pituitary
(d) Interstitial cells of testis
Antiageing hormone is
(a) Thyroxine
(b) Melatonin
(c) Estrogen
(d) Testosterone
Whcih of the following becomes nonfunctional after use
(a) Enzymes
(b) Hormones
(c) Minerals
(d) All of these
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Degeneration of anterior pituitary results into
(a) Sterility
(b) Extreme weakness
(c) Hypoglycaemia
(d) All of the above
Which one of the following four glands is correctly matched with the accompanying description ?
(a) Thyroid–hyperactivity in young children cause cretinism
(b) Thymus–starts undergoing atrophy after puberty
(c) Parathyroid–secretes parahormone which promotes movement of calcium ions from blood into bones during calcification
(d) Pancreas–Delta cells of the islets of Langerhans secrete a hormone which stimulates glycolysis in liver
Which one affects liver, muscle and adipose tissue
(a) Androgen
(b) Insulin
(c) Progesterone
(d) Glucagon
Which one of the following statements is correct ?
(a) Endocrine glands regulate neural activity, but not vice versa
(b) Neurons regulate endocrine activity, but not vice versa
(c) Endocrine glands regulate neural activity, and nervous system regulates endocrine glands
(d) Neither hormones control neural activity nor the neurons control endocrine activity
Growth hormone is produced in
(a) Pituitary
(b) Adrenal
(c) Thyroid
(d) Gonad
At menopause there is a rise in urinary excretion of
(a) LH
(b) STH
(c) FSH
(d) MSH
There are three endocrine glands involved in carbohydrate metabolism, mark the correct set
(a) Pancreas, neurohypophysis and adrenal
(b) Pancreas, pituitary and thyroid
(c) Pancreas, pituitary and liver
(d) Pancreas, adenohypophysis and adrenal
What is hormone
(a) Glandular secretion
(b) Enzyme
(c) Chemical messenger
(d) Organic complex substance
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Adrenocorticotropin is a hormone of
(a) Pituitary
(b) Adrenal
(c) Thyroid
(d) Adrenal medulla
Hormone released by posterior lobe of pituitary is concerned with
(a) Metabolism of carbohydrates
(b) Stimulation of thyroid
(c) Secondary sexual characters
(d) Contraction of uterus
Some hormones check the milk from being secreted by the mammary glands till the birth of young ones even though the glands are all prepared to do so. They are
(a) Progestin and prolactin
(b) Prolactin and FSH
(c) Estrin and prolactin
(d) Estrin and progestin
Hormone responsible for the implantation of embryo in uterus and formation of placenta is
(a) Adrenalin
(b) Progesterone
(c) Estradiol
(d) FSH
Pineal body originates from
(a) Dorsal part of diencephalon
(b) Ventral part of diencephalon
(c) Ventral part of cerebellum
(d) Dorsal part of cerebellum
Which gland is concerned with salt equilibrium in body
(a) Anterior pituitary
(b) Pancreas
(c) Adrenal
(d) Thyroid
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The mineralocorticoid hormone of the adrenal cortex which causes the Na retention and K excretion is
(a) Corticosol
(b) Corticosterone
(c) Progesterone
(d) Aldosterone
Disease related to thyroxine hormone
(a) Goitre
(b) Acromegaly
(c) Addison disease
(d) Thalasemia
Parathormone is secreted during
(a) Increased blood calcium level
(b) Decreased blood calcium level
(c) Increased blood sugar level
(d) Decreased blood sugar level
Which of the following glands is associated with the consumption of iodized salt
(a) Thyroid
(b) Thymus
(c) Pituitary
(d) Ovary
Diabetes incipidus is under the control of
(a) Aldosterone
(b) ADH
(c) ACTH
(d) TSH
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