Considering the distal convoluted tubule of the amphibiannephron, explain how changes in the permeability of the tubulewall to water affect the amount of pure, osmotically free waterexcreted in the urine. Define what is meant by pure, osmoticallyfree water.

Q: As the filtrate moves through the ___ water is reabsorbed with almost no solute reabsorption and the…

A: Answer is a.) proximal convoluted tubule.

Q: Explain why the filtrate becomes hypotonic as it flows through the ascending limb of the nephron…

A: Kidneys are defined as the pair of bean-shaped organs found or present on either side of the spinal…

Q: a) Calculate the filtration pressure from the figures given i.e. the net force moving fluid out of…

A: Nephron is structural and functional unit of kidney.

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: The drug butenamide blocks the co-transporters for Na+ and Cl- in the ascending limb of the loop of…

A: The drug butenamide is a loop diuretic whose main function is to block the Na+ k+ 2cl-  co…

Q: Identify the changes in the osmotic concentration of theglomerular filtrate as it passes through the…

A: As filtrate goes through the nephron, its osmolarity (ion concentration) changes as particles and…

Q: 400X 2. For each of the following parts of the nephrons list the specific step of the urine…

A: The human body consists of several organ systems that function in a synchronised manner that enable…

Q: Nephron  Describe the phsiology of the nephron. Explain the function of each structure and how the…

A:

Q: Define distal convoluted tubule.

A: The distal convoluted tubule is a part of the kidney. The kidney is a vital organ of the body that…

Q: List the three major processes in urine formation, andstate the location in the nephron where each…

A: Urine refers to the filtrate containing toxic substances present in blood. It is produced in the…

Q: Explain how the kidney, plays an important role in the osmoregulation of the human body.

A: To Explain: How the excretory organ kidney plays an important role in the osmoregulation of the…

Q: Tubular transport maximum (Tm) is (a) the maximum rate at which a substance in the filtrate can be…

A: The renal tubule is the part of the nephron that contains tubular fluid that comes from the…

Q: The mammalian kidney contains an immense network of nephrons that functions to conserve water by…

A: Glomerular filtration rate (GFR) is used to determine how well the kidneys perform within the body,…

Q: Trace a drop of glomerular filtrate from Bowman’s capsule to its release from the body as urine.

A: The structure of a nephron is described below - Bowman's capsule or the Glomerular capsule Proximal…

Q: Describe the histological structure of the proximal tubule, nephron loop, distal tubule, and…

A: The nephron is the functional unit of the kidney it consists of tubules and associated small blood…

Q: Elaborate the types of molecules and in which direction (from blood to tubules or tubules to blood)…

A: Nitrogenous wastes are formed inside all the body cells. These wastes are transported into the…

Q: Describe the composition of filtrate that enters into the Proximal Convoluted Tubule immediately…

A: Kidneys are the bean-shaped organ placed on both sides of retroperitoneal space. The role of kidneys…

Q: The first step in making urine is the formation of filtrate. Explain how this step occurs. explain:…

A: Kidneys are the bean shaped organs that play various homeostatic function in the body. The primary…

Q: Describe the special characteristics of the descending and ascending limbs of the nephron loop that…

A: The kidney is the organ of the urinary system, and its primary function is the formation of urine.…

Q: Compare the myogenic response in a nephron and tubuloglomerular feedback.

A: A nephron is the structural and functional unit of kidney. It is involved in regulating water and…

Q: Explain why fluid in the descending limb of the nephronloop is hypertonic.

A: Ans: Hypertonic: The presence excess salts is referred to as hypertonic fluid or solution.

Q: The first step in the formation of urine is formation of filtrate that accumulates in Bowman's…

A: The renal system's primary activities include the management of ECF volume and blood pressure, the…

Q: Trace the pathway of a metabolic waste from glomerulus to urethra. Be certain to state anatomical…

A: The glomerulus, which is a network of capillaries, is a part of nephron present in the kidneys. It…

Q: Explain where in the nephron, and by what process, glucose is normally returned from the glomerular…

A: The kidney is a bean-shaped excretory organ that responsible for the excretion of nitrogenous waste…

Q: Indicate the possible location of glomeruli and Bowman’s capsules and how this relates to their…

A: Glomeruli are network of small blood vessels called as a tuft. This tuft is supported by the…

Q: glomeruli form from

A: Answer: In the embryo, the kidneys develop from three overlapping sequential systems; the…

Q: Briefly explain the role of the proximal convoluted tubule

A:

Q: What are the main functions of the excretory system, elaborate?

A: All vertebrates have a pair of kidneys for excretion. They help to regulate the level of body fluids…

Q: What structure has osmoreceptors that detect high salt concentrations in the blood? Distal tubule…

A: According to the question, we have to explain what structure has osmoreceptors that detect high salt…

Q: Describe filtration, reabsorption and secretion. Where in the nephron, these events take place and…

A: Process of filtration, reabsorption, and secretion in nephron are described below:

Q: [ANIMAL PHYSIOLOGY] Na* ions are actively transported out of the tubules to help set up the…

A: The gradient of increasing osmolarity produced by the activity of the loop of henle, in the renal…

Q: Reabsorption of most solute molecules from the proximal convolutedtubule is linked to the active…

A: Excretion is considered to be the most important physiological process of all living things. The…

Q: explain the perneability of the descending and ascending limbs of nephron loop to water and NaCI.…

A: The loop of Henle of a nephron is divided into thick and thin ascending and thin descending loops.…

Q: Name the three layers of the wall of the glomerular capillaries.  Indicate how those layers…

A: The glomerulus is present in the bowman's capsule. They both together form a malpighian body. The…

Q: The Human Nephron and Associated Blood Vessels capillaries efferent arteriole afferent arteriole…

A: Row 4 Structure 1 - Bowman's Capsule Structure 2 - Proximal tubule Structure 3- Loop of Henle…

Q: Compare and contrast the juxtamedullary nephron andcortical nephron.

A: The nephron is the basic functional and structural unit of the kidney. It consists of the renal…

Q: Name the hormone which is responsible for reabsorption of water in nephrons.

A: Nephrons are the functional units in the kidney. Each nephron consists of a glomerulus and its…

Q: Given: Inulin is freely filtered in the glomerulus and not secreted nor reabsorbed in any…

A: The kidney function is determined by measuring the glomerular filtration rate (GFR). GFR is the…

Q: Describe how sodium and water reabsorption are regulated in the distal tubule and collecting duct.

A: The nephron is considered the basic unit of the kidney. There are millions of nephrons present in…

Q: This structure of the nephron is responsible for obligatory water reabsorption

A: Question 37 -Answer a The first part of the nephron that is responsible for water reabsorption is…

Q: Define glomerular filtration rate. What is its value in a healthy human?

A: The process of formation of urine is called uropoiesis. It takes place by following three steps: 1.…

Q: Na+ ions are actively transported out of the tubules to help set up the countercurrent multiplier.…

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

Q: Distinguish between filtrate processing in the descending and ascending loop of Henle.

A: The Henle or nephron loop is the part of a nephron that connects the proximal convoluted tubule to…

Q: True or false When a substance gets actively reabsorbed, ATP is spent to power the movement of that…

A: In physiology, active reabsorption is defined as the reabsorption of the necessary solutes such as…

Q: Briefly describe how differences in the selective permeability of the different nephron tubules…

A: The nephron of the kidney is responsible for tubular reabsorption that brings backwater and solutes…

Q: Diagram the anatomic relationship between the peritubular capillaries/ vasa recta and tubular…

A: The nephron is the structural and functional microscopic organ of the kidney. This consists of a…

Q: Compared to those of birds and lizards, the kidneys of mammals ______. can produce urine with a…

A: Ammonotelic: - Release ammonia outside the body - Animal with aquatic habitat - e.g., Fish,…