CHEMICAL COORDINATION AND INTEGRATION

 

Q107.Which one of the following endocrine gland stores its secretion in the extracellular space before discharging it into the blood? 

(1) Testis 

(2) Thyroid 

(3) Pancreas 

(4) Adrenal 

Ans.2

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Q108.Acromegaly is caused by

(1) Excess of S.T.H. 

(2) Excess of thyroxin 

(3) Deficiency of thyroxin 

(4) Excess of adrenalin 

Ans.1

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Q109.Which of the following pair is correct match of a hormone with a disease resulting from its deficiency? 

(1) Relaxin  -Gigantism 

(2) Prolactin- Cretinism 

(3) Parathyroid hormone- Tetany 

(4) Insulin - Diabetes insipidus

Ans.3

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Q110.Which of the following hormones is modified amino acid? 

(1) Epinephrine 

(2) Progesterone 

(3) Prostaglandin 

(4) Estrogen 

Ans.1

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Q111.Adrenaline directly affects on 

(1) S.A. node 

(2) B-cells of Langerhans 

(3) Dorsal root of spinal nerve 

(4) Epithelial cells of stomach 

Ans.1

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Q112.Diabetes is due to: 

(1) Enzyme deficiency 

(2) lodine deficiency 

(3) Na+  deficiency

(4) Hormonal deficiency

Ans.4

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Q113.If diabetes mellitus is not-controlled increased oxidation of produces ketone bodies such as acetoacetate and acetone  

(1) Carbohydrates 

(2) Fats 

(3) Proteins 

(4) Nucleic acids 

Ans.2

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Q114.Individuals with type-I diabetes 

(1) Lack B-cells in the islets of Langerhans

(2) Produce enough insulin but lack functional receptors on their cells 

(3) Can control their diabetes with diet and exercise 

(4) All of these are correct 

Ans.1

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Q115.Mark the correct statement w.r.t. erythropoietin. 

(1) Secreted by juxta glomerular cells 

(2) Secreted in response to hypoxia 

(3) Activates bone marrow cells to produce more RBCs

(4) All of these 

Ans.4

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Q116.What happens when the tadpole larva is kept in iodine deficient pond water? 

(1) Development of giant frog 

(2) Accelerated metamorphosis

(3) Inhibition of metamorphosis 

(4) Development of miniature frog 

Ans.3

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Q117.Which of the following hormone is a derivative of tyrosine? 

(1) Thyroxine 

(2) Epinephrine 

(3) Norepinephrine 

(4) All of these

Ans.4

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Q118.Adrenaline is relased from the adrenal medulla under stress conditon. Which of the following can't be taken as a character of it? 

(1) Elevates blood glucose by converting liver glycogen to glucose 

(2) Acceleration of rate and force of heart beat 

(3) Increase in breakdown of lipids 

(4) Constriction in arterioles of skeletal muscle 

Ans.4

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Q119.Which of the following is not caused by hyperactivity of endocrine gland? 

(1) Conn's syndrome 

(2) Cushing's syndrome

(3) Addison's disease 

(4) Adrenal virilism 

Ans.3

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Q120.Which of the following hormones plays a very important role in the regulation of a 24 hour (diurnal) rhythm of our body. It helps in maintaining the normal rhythms of sleep-wake cycle body temperature.It influences pigmentation   the menstrual cycle as well as our defense capability 

(1) Estrogen 

(2) Progesterone 

(3) Cortisol 

(4) Melatonin 

Ans.4

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Q121.In heart cells which one acts as messenger in response to sympathetic nerve action? 

(1) cAMP 

(2) cGMP 

(3) Inositol triphosphate 

(4) Diacylglycerol 

Ans.1

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