In the proximal tubule of the nephron, what is the major hydrogen ion secreting mechanism?

Q: How does the number of functional nephrons change in old age? What are the implications of this…

A: As individuals begin to age the number of nephrons will decline. In old age, the kidney begins to…

Q: What are the basic differences between cortical and juxtamedullary nephrons?

A: Nephron can be defined as the basic unit of structure in the kidney. nephron plays the role in the…

Q: The fluids deep in the medulla of the kidney have a much highersolute concentration than those in…

A: Kidney is  divided into two zones. Outer area is known as cortex and inner area is known as medulla.…

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: If a patient has blood in the urine, what part of the nephron was most likely affected? Explain.

A: Introduction Blood, when present in urine is called Hematuria

Q: How do the permeabilities of the two limbs of the nephron loop differ?

A: In human anatomy, nephron loop is refer as loop of Henle or Henle's loop which is located in the…

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: How many nephrons are present in each kidney?

A: The nephron is a microscopic basic functional and structural unit of a kidney.  It is consisting of…

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: Which portions of the renal tubule and collecting duct reabsorb more solutes than water to produce…

A: RENAL TUBULE:           The phrase 'Renal' refers to the kidney, in which a small tube comprises of…

Q: Sodium is actively extruded from which part of the nephron?

A: Nephron:               The microscopic structural and functional unit of kidney is designated as…

Q: If blood pressure in the afferent arteriole leading to a glomerulus decreased, how would the rate of…

A: Answer- GFR or glomerular filteration rate is dependent upon many factors like blood pressure in…

Q: How do Na-H exchangers on the luminal surface of tubular cells promote bicarbonate reabsorption in…

A: The Na+/H+ exchange aids NaCl reabsorption and luminal surface of the tubular cells. The NHE3 (in…

Q: Describe the mechanisms underlying water and solute reabsorption from the renal tubules into the…

A: Tubular reabsorption is the mechanism which involves the movement of water and solutes from the…

Q: Where nephrons discharge their urine?

A: The nephron is the structural and functional unit of the kidney. It is composed of a renal corpuscle…

Q: what happens if one part of the nephron cannot function.

A: Nephrons are the structural and functional units of kidneys . They helps in filtering blood and…

Q: Describe the micturition reflex. How is voluntary control ofmicturition accomplished?

A: The physiological term for voiding or urination is micturition. It results from the interplay of…

Q: What are the three basic renal processes that lead to the formation of urine?

A: Kidneys are prime excretory organs. They filter blood and form about 1.5 lt of urine daily this…

Q: What happens when bicarbonate ions enter the nephron?

A: BASIC INFORMATION KIDNEY It is a paired organ present in our body. It helps the body to get rid of…

Q: Define the Anatomy of a Nephron ?

A: The kidney can be broadly divided into three regions; renal cortex, renal medulla, and renal pelvis.…

Q: Which mechanisms reabsorb solutes from glomerular filtrate?

A: In the human excretory system, glomerular filtration is defined as the process of regulating and…

Q: why micturition is more in winters than in summer season?

A: Urination is the process of releasing urine outside our body from the urinary bladder through the…

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: Explain what happens to Na+ concentration in thenephron when GFR increases.

A: The filtration membrane plays a role in blocking the filtration of large and medium protein…

Q: Explain the function and structure of nephrons.

A: The kidneys are pair of organs located in the left and right side of the abdomen. The major function…

Q: Why is this process considered secondary active transport? Does water reabsorption accompany ion…

A: Reabsorption: Some substances are reabsorbed in the body, already they are absorbed once in the…

Q: How are new bicarbonate ions formed in the cells of the nephron?

A: Acidic molecules get dissociate into H+ and lower the pH value whereas basic molecules dissociate…

Q: In which part of the nephron is water and sodium chloride reabsorption due to hormonal signaling?

A: The nephron is the small but most important unit of a kidney. The components of nephron include:…

Q: Describe how and where water, organic compounds, and ions are reabsorbed and secreted in the…

A: Kidneys are paired structures that are involved in filtering blood. Nephrons, which are the…

Q: Distinguish between the Septal nephridium and pharyngeal nephridium.

A: In various invertebrate animals, a tubule open to the exterior which acts as an organ of…

Q: How is the countercurrent multiplier (nephron loop) distinguished from the countercurrent exchanger?…

A: Kidney  The bean shape organ present in the behind the belly on both side of the spinal cord. The…

Q: what is the nephron and where do filtration, reabsorption, and secretion occur within it?

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

Q: In which part of nephron filtration takes place?

A: The kidney is the bean shaped organ of about four to five inches present on the either side of the…

Q: In what ways does the nephridium of an earthworm parallel the human nephron in structure and…

A:

Q: Fluid is now at the end of the nephron tubule system and is now called the what at its final form?

A: The fluid that is present inside the tubules is formed by the glomerular filtration mechanism and…

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: How is the permeability of the distal convoluted tubule and the collecting tubule controlled for…

A: The nephrons of the kidney includes proximal convoluted tubule, loop of Henle, distal convoluted…

Q: In which nephron portiondoes the regulation of acidityand alkalinity of the plasmaoccur?

A: Kidneys are paired structures that are involved in filtering blood. Nephrons, which are the…

Q: What is thr role of kidney in the human body?

A: Introduction :- The kidneys are two bean-shaped organs located on either side of your spine, beneath…

Q: How does urine form in the nephron?

A: Kidneys are the primary functional organ of the excretory system. Kidneys play a major role in…

Q: What are the characteristics of the Juxtamedullary nephrons?

A: The nephron is the structural and functional unit of the kidneys. It is made up of a renal tube and…

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: How do cortical and juxtamedullary nephrons differ with respect toreabsorbing nutrients and…

A: Cortical nephrons : The glomerulous of these nephrons are located to the outer parts of the cortex…

Q: describe the mechanisms underlying water and solute reabsorption from the renal tubules into the…

A: Peritubular capillaries: In the renal system, these are small blood vessels that are supplied by the…

Q: Which vessels and what part of the nephron areinvolved in countercurrent multiplication?

A: Step 1 A counter-current system is a system of the flowing of fluids in two types of antiparallel…