Describe the signs of Type 1 diabetes (limited to increased blood glucose concentration and glucose in urine) and its treatment (administration of insulin)
1 AnswerDescribe the control of blood glucose concentration by the liver and pancreas and the roles of insulin and glucagon
1 AnswerExplain the need to control blood glucose concentration
1 AnswerExplain how each of the following processes contributes to the maintenance of constant internal body temperature in mammals: (a) sweating (b) shivering (c) contraction of hair erector muscles (d) vasodilation and vasoconstriction of arterioles supplying skin surface capillaries
1 AnswerDescribe the roles of the hypothalamus and of temperature receptors in the skin in maintaining a constant internal body temperature in mammals
1 AnswerDescribe the role of insulation in maintaining a constant internal body temperature in mammals
1 AnswerDescribe homeostasis as the maintenance of a constant internal environment
1 AnswerCompare nervous and hormonal control, limited to speed of action and duration of effect
1 AnswerExplain accommodation to view near and distant objects in terms of the contraction and relaxation of the ciliary muscles, tension in the suspensory ligaments, shape of the lens and refraction of light
1 AnswerExplain the pupil reflex in terms of light intensity and antagonistic action of circular and radial muscles in the iris
1 AnswerSourav PanSourav PanSourav Pan
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