It is known that aldosterone regulates sodium content in the body. What adrenal cells do produce this hormone? Epinephrocytes Zona fasciculate cells Norepinephrocytes Zona reticularis cells The cells of the glomerular zone
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- Secretion of the hormone ADH may decrease or stop if the pituitarys posterior lobe is damaged, as by a blow to the head. This is one cause of diabetes insipidus. People with this form of diabetes excrete so much dilute urine that they may become seriously dehydrated. Where are the target cells of ADH?Drinking alcohol inhibits ADH secretion. What effect will drinking a beer have on the permeability of kidney tubules to sodium? To water?Which of the following best describes structure G? E F G Renal cortex Renal medulla OAdrenal cortex Adrenal pelvis Adrenal medulla Renal pelvis
- A person has a tumor of the adrenal cortex that hypersecretes aldosterone and is not regulated bythe normal negative feedback controls. What symptoms might this person exhibit and how does thiscondition affect his kidney function? Would he have polyuria?A 75-year-old man with a long history of diabetes mellitus is found unresponsive inhis apartment. He appears dehydrated. His serum glucose concentration is 860 mg/dL. A urine dipstick shows 4+ glucose and no ketones. Which of the following circulating hormones is the most likely cause of the absence of urinary ketones despite the increased serum glucose concentration?a. ADH (vasopressin)b.GlucagonC. Insulin d. Pancreatic polypeptide e. SomatostatinEpinephrine is produced by the Zona Fasciculata Adrenal Medulla Zona Reticularis Zona Glomerulosa 0000
- The kidneys are the target organ for many hormimes, list the hormones that specifically target the kidneysNephrogenic diabetes insipidus is a condition where ADH is released by the posterior pituitary but the cells in the kidneys are unable to respond to ADH. This is in contrast to neurogenic diabetes insipidus where the body does not produce enough ADH. When the kidneys are unable to respond to ADH, urine formation ______ and ADH secretion _______. Which of the following rows correctly completes the sentence above? Select one: a. Urine Formation ADH Secretion Decreases Increases in response to increased blood pressure b. Urine Formation ADH Secretion Increases Decreases in response to decreased blood pressure c. Urine Formation ADH Secretion Decreases Decreases in response to increased water retention d. Urine Formation ADH Secretion Increases Increases in response to decreased water retentionIn a histological specimen of adrenal cortex there are petite polygonal cells that form roundish clusters and contain some lipid inclusions. What part of adrenal is presented in this histological specimen? Glomerular zone Fasciolar zone Intermedial zone O Reticular zone
- Renin is an important proteolytic enzyme produced by the kidney, involved in the control of salt/water balance in the body. Explain the source of renin, how it is secreted and how it acts to ultimately influence plasma volume. A separate hormonal system exists for directly controlling kidney water reabsorption. Explain how this hormone is released and how it exerts its renal effects.A man drank three glasses of water in a short period of time on a hot day.Discuss how the endocrine system regulates this man's collecting duct and urine production in order to maintain his body's water and electrolyte balance.Which of the following is NOT a function of the kidneys? * Metabolism of Vitamin D Secretion of a hormone that acts to decrease mean arterial pressure Regulation of plasma [Na+] Secretion of a hormone that affects the hematocrit Gluconeogenesis
