Question: How does urine osmolarity compare between the two treatment groups? A: Urine osmolarity is much higher in the mice with unlimited access to water. B: Urine osmolarity is much higher in the mice given no water.
What is the osmolarity of urine in mice given no water?
Urine osmolarity is much higher in the mice given no water. How does blood osmolarity compare between the two treatment groups? How does urea concentration in urine compare between the two treatment groups?
Is urine osmolarity the same as blood osmolality?
Yes; the blood osmolarity is about the same in the two treatment groups, but the urine osmolarity is not. For mice with unlimited access to water, what is the ratio of urine osmolarity to blood osmolarity?
How would a difference in urine production affect ratio calculations?
How would that difference in urine production affect your ratio calculations for the two groups? (Remember that the ratio is urine osmolarity divided by blood osmolarity.) The ratios for both groups would stay the same.
What is the osmolarity of a solution?
Osmolarity measures the moles of solute per liter of solution. Examine the figure of a human nephron. Where and when does osmolarity of the filtrate increase?
What is the transfer of fluid from the glomerulus to Bowman's capsule?
The transfer of fluid from the glomerulus to Bowman's capsule. is mainly a consequence of blood pressure in the capillaries of the glomerulus. Low selectivity of solute movement is a characteristic of. filtration from the glomerular capillaries.
Why are the absorptive epithelia in the gut polarized?
The absorptive epithelia in the gut are considered "polarized" because. the structures on the apical surface are different than those on the basal surface. Connective tissues typically have. relatively few cells and a large amount of extracellular matrix. The fluid with the highest osmolarity is.
What happens to urine after drinking alcohol?
After drinking alcoholic beverages, increased urine excretion is the result of. inhibited secretion of ADH. Antidiuretic hormone (ADH) functions at the cellular level by. causing an increase in the number of aquaporin molecules of collecting duct cells.
How does ADH help with water loss?
ADH can help reduce water loss through its interaction with its target cells in the. kidney. When stimulated by antidiuretic hormone (ADH), the reabsorption of water is increased along. the collecting duct. The absorptive epithelia in the gut are considered "polarized" because.
What are the phases of excretory function?
The 3 phases of excretory function. 1) filtration- excretory tubule collects a filtrate from the blood , water and solutes are forced by blood pressure across the selectively permeable membrane of a cluster of capillaries to the excretory tubule.
Which extension of the intestinal mucosa increases surface area for absorption?
Villi. Fingerlike extensions of the intestinal mucosa that increase the surface area for absorption. Microvilli. Fingerlike extensions of plasma membrane of apical epithelial cells, increase surface area, aid in absorption, exist on every moist epithelia, but most dense in small intestine and kidney.
Which cell in the nervous system is responsible for the formation of myelin and the blood-brain barrier?
Neuron. a specialized cell transmitting nerve impulses; a nerve cell. Glial Cell. cell in nervous system that plays a role in the formation of myelin and the blood-brain barrier, responds to injury, removes debris, and enhances learning and memory.