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: Consider a drug which is exogenous to the body. The drug is filtered, but not secreted, reabsorbed,…

A: GFR stands for Glomerular Filtration Rate. It is a measure of the flow rate of filtered fluid…

Q: In renal tubular failure, serum levels of B2 microglobulin are decreased and urine levels are…

A: B2 microglobulin is a type of a protein which is present on the surface of nucleated cells. These B2…

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: 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: 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: 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: Explain the role of vasopressin in formation of concentrated urine in the case of H2O deficiency .

A: Introduction: The posterior pituitary (neurohypophysis) secretes a hormone referred to as the…

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: Which of the following is a component of the renal response to metabolicacidosis?a. reabsorption of…

A: Animal physiology is the systematic study of the supporting features, roles, and processes of…

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: 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: Which of these is least likely to promote renin secretion by the juxtaglomerular cells? Group of…

A: This question digs into the complex mechanisms that direct renin secretion by the juxtaglomerular…

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: Modified true or false

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

Q: Urine dilution by the loop of Henle is dependent on the length of the loop, being more diluted, the…

A: This statement is True.

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: Urine Volume Cases Urine Concentration Dehydration Increases Decreases Exercise Increases Decreases…

A: Given: Diabetes is referred as a chronic health condition that affects the body consumption of food…

Q: Is this statement true or false:  The juxtagomerular apparatus also pays a role in controlling the…

A: Glomerular filtration rate (GFR) is used to find how well the kidneys are working inside the body or…

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: a:ry i 29 ~O0¥1420 < Jlgull = The clearance test of a substance such as creatinine is used for the…

A: ALL THE STATEMENTS ARE TRUE . GFR is measured by injecting inulin into the plasma . It is an…