| Subject | Adrenal Gland |
|---|---|
| Q1 | two types of tissues |
| Q1 Answer | adrenal cortex and adrenal medulla |
| Q2 | Underproduction of hormones by adrenal cortex alters carb metabolism causing acute weakness and fatigue leading to |
| Q2 Answer | Addison's disease |
| Q3 | adrenal medulla secretes |
| Q3 Answer | Catecholamines: adrenaline or epinephrine and noradrenaline or norepinephrine -emergency hormones -both increase alterness, pupilary dilation, piloerection, sweating, etc. -increase heart beat, strength of heart contraction, rate of respiration -stimulate breakdown of glycogen, lipids and proteins |
| Q4 | adrenal cortex zones and secretion |
| Q4 Answer | zona reticularis zona fasciculata zona glomerulosa secrete corticoids |
| Q5 | Glucocorticoids functions, main glucocorticoid |
| Q5 Answer | corticoids involved in carb metabolism. -cortisol is the main glucocorticoid -stimulate gluconeogenesis, lipolysis, proteolysis -inhibit cellular uptake and utilisation of amino acids. -cortisol: 1. anti-inflammatory reactions 2. maintains kidney functions 3. cardiovascular sysem 4. stimulates RBC Production |
| Q6 | Mineralocorticoids |
| Q6 Answer | -regulate balance of water and electrolytes -aldosterone is the main mineralocorticoid Aldosterone: -acts at renal tubules, reapsorption of Na+ and H2O, excretion of K+ and phosphate ions -cortex also secrete androgenic steroids |
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