Water reabsorption in the proximal convoluted tubule is considered obigatory transport because of the permanent presence of aquaporins, but water reabsoprtion in the collecting duct is considered facultative because the presense of aquaporins is under hormonal control. True False

Q: Which of the following associations is correct? Parietal layer of glomerular Capsule – Part of the…

A: The human excretory system consists of multiple organs that are responsible for removing the waste…

Q: What would be the correct response of the myogenic mechanism to regulate glomerular filtration rate…

A: Glomerular filtration rate (GFR) It is defined as the volume of fluid filtered from the glomerular…

Q: Atrial natriuretic peptide lowers blood pressure by increasing sodium reabsorption decreasing sodium…

A: Urinary system is a type of body system which is involved in formation of urine and finally…

Q: An increase in the reabsorption of solutes will decrease water reabsorption. True False

A: The procedure that removes solutes and water from the filtrate and returns them to your bloodstream…

Q: TRue or false Glucose goes through reabsorption in the distal convoulted tubule of a nephron.  High…

A: The kidneys are bean-shaped organs (about 11 cm x 7 cm x 3 cm) that are located against the back…

Q: Describe the countercurrent multiplier mechanism in terms of the permeabilities of the different…

A: The countercurrent multiplier system is the process in which water is reabsorbed from the fluid in…

Q: In a diabetic with markedly elevated blood glucose, the glucose filtered at the glomerulus: Group of…

A: It is a disease that occurs when your blood glucose is too high and pancreas produces little or no…

Q: Glomerular colloid osmotic pressure is greater in the afferent end than in the efferent end of the…

A: Blood colloidal osmotic pressure (BCOP) is due to colloidal nature of blood. The blood is a mixture…

Q: List the Pathways by which decreased plasma volume leads, via the renin-angiotensin system and…

A: Aldosterone is the primary mineralocorticoid secreted by the adrenal cortex. It maintains the ratio…

Q: Why the urine excreted during the months of summer season is Hypotonic?

A: Urine is sterile by-product containing nitrogenous wastes that is produced by the kidneys. The…

Q: Renin is an important proteolytic enzyme produced by the kidney, involved in the control of…

A: Renin is an enzyme that helps to regulate blood pressure and keep sodium and potassium levels in the…

Q: Renal corpuscle Proximal tubule Loop of Henle Distal tubule Collecting duct

A: Renal corpuscle:responsible for size-selective filtration of the blood.explanationfilters blood to…

Q: If the efferent arteriole constricts, what is the effect on the glomerular filtration rate?…

A: By the afferent and efferent arteriolar resistance and the renal artery pressure the glomerular…

Q: All of the followings are correct about Atrial natriuretic factor, except ------------------. It is…

A: Atrial natriuretic factor(ANF) is a 28 amino acid polypeptide hormone. The cardiac muscle cells…

Q: Which correctly describes the mechanism of action of the loop diuretics? O They create a very…

A: Diuresis- This is a condition where the  kidney filters too much fluid which causes frequent…

Q: With respect to the renal system, what is reabsorption? Why is it important? Please mention…

A: Kidneys are the organ of the urinary system that are principally accountable for helping in the…

Q: (A) Mean water absorption rate and (B) mean percentage of time spent in the water absorption…

A: Fully hydrated toads, Bufo bufo were acclimated to a simulated terrestrial habitat, with access to…

Q: The renal handling of a novel drug is being studied. When the drug is present in the blood, it is…

A: GivenDrug reabsorption is negligible.

Q: Which of the following would cause an increase in GFR? efferent ateriole constriction constriction…

A: The objective of the question is to identify which of the given conditions would lead to an increase…

Q: Explain the role each of the following plays in GFR regulation:    Intrinsic control: Renal…

A: Glomerular filtration rate (GFR) : It is the total amount of filtrate formed by all the renal…

Q: Secretion and ultrafiltration are characteristic of Malpighian tubule function: true false

A: Malphigian tubules Salts , Nitrogenous wastes are excreted into the tubule lumen via the hemolymph…

Q: The fenestrations of the glomerular capillaries allow all blood components except blood cells to…

A: Introduction Glomerulus:- The glomerulus is one of the structures found in the nephron, It is a…

Q: Water reabsorption at the collecting duct is under hormonal control while descending limb of loop of…

A: And: The collecting duct and descending limb of loop of henle are part of nephron in the kidney and…

Q: Blood pressure in the glomerular capillaries is  lower than in other capilary beds responsible for…

A: The glomerular capillaries are a network of tiny blood vessels in the kidneys, specifically within…

Q: Describe how each of the following functions in the extrinsic control of GFR: renin-angiotensin…

A: Glomerular filtration rate is determined by the rate at which the fluid is filtered from the…

Q: Briefly explain the water absorption rate and time spent in the water absorption response (WR)…

A: Terrestrial amphibians take up water by abducting the hind limbs and pressing a specialized portion…

Q: When a patient is treated with a drug that counteracts the effect of aldosterone (aldosterone…

A: Aldosterone is a steroid hormone produced and secreted by the zona glomerulosa of the adrenal…

Q: An increase in the permeability of the cells of the collecting tubule to water could result from all…

A: Antidiuretic hormone (ADH) is the main hormone that controls the collecting tubule cells' increased…

Q: Under circumstances of having low blood pressure , how does the sympathetic nervous system decrease…

A: The sympathetic nervous system (SNS) is involved in activating and playing a major role in the…

Q: Modified true or false

A: pH is the negative logarithm of hydrogen ion. Higher the hydrogen ion concentration lower would be…

Q: Which of the following regarding diuretics is false? Diuretics reduce the movement of water out of…

A: Our kidney play an important role in excretion. some of them are as follows : 1. Getting rid of any…

Q: If the efferent arteriole dilates, what is the effect on the glomerular filtration rate?

A: Glomerular filtration is the removal of excess wastes and fluids from the bloodstream by the…

Q: Changes

A: A glomerular filtration rate (GFR) is a blood test that checks how well your kidneys are…

Q: Find which of the following statements about medulary collecting duct is TRUE A. Its permeability…

A: The structural and functional unit of the kidney is called nephron. It composed of malpighian body…

Q: What happens to urine concentration and volume during the following cases? Dehydration Exercise…

A: Urine volume and concentration are controlled by the same mechanisms that control blood volume.…

Q: Describe how net filtration is calculated and be sure to include the pressure associated with the…

A: Net filtration pressure is the amount of force required to force urine and some other substances…

Q: Which glomerular arteriole is larger, and why?

A: Answer :-  Correct answer is , the afferent because it increases hydrostatic pressure in the…