Which of the following describes the countercurrent mechanism of the nephron loop? A. W ater moves out of the ascending limb; sodium moves in the ascending limb. B. W ater moves in the ascending limb; sodium moves out of the ascending limb. C. W ater moves out of the descending limb; sodium moves out of the ascending limb. D. W ater moves in the descending limb; sodium moves out of the descending limb. E. W ater moves in the ascending limb; sodium moves in the ascending limb.

Q: The purpose of the loop of the nephron in the process of urineformation isa. reabsorption of water.…

A: The excretory framework is a latent natural framework that eliminates overabundance, pointless…

Q: In which of the following is the blood FILTERED?

A: Answer:  Nephron : These are the filtering units situated in the kidneys, they carry out filteration…

Q: Reabsorption is the movement of fluid and solutes from thea. filtrate into the glomerular…

A: The kidneys are pair organs of about four to five inches present on either side of the spine. The…

Q: Which of these processes is responsible for kidney function?a. filtration c. reabsorption e. All of…

A: The kidneys are two reddish-brown bean-shaped organs organize in vertebrates, are placed in the…

Q: Constriction of the efferent arteriole of the renal corpuscle will cause ________________ to rise.…

A: The urinary system is composed of a pair of kidneys, a pair of ureters, the urinary bladder, and a…

Q: In the nephron, aldosterone acts: O a. By increasing the secretion of ADH. O b. When blood pressure…

A: Aldosterone: - From Zona glomerulosa - Mineralocorticoid secreted, - Mineralocorticoid - steroid…

Q: If blood pressure in the glomerulus increases, then a. net filtration pressure decreases. b. the…

A: Blood pressure is defined as the pressure or force exerted by the blood when they are travelling or…

Q: What structure of the nephron empties urine into the calyx of the kidney?   A. Proximal convoluted…

A: Urinary System is an excretory system to remove nitrogenous waste from the body. The human urinary…

Q: Which of these forces opposes filtration from the glomerulus a. Plasma osmotic pressure b. Fluid…

A: A tuft of small blood veins (capillaries) found at the beginning of a nephron in the kidney is known…

Q: The micturition reflex controlsa. urine formation.b. voiding of the filled bladder.c. reabsorption…

A: The kidneys are the most important organs of the excretory system. They filter the blood and…

Q: Describe the differences in nephron activity based on the structural differences within the tubule…

A: Nephrons are the basic functional unit of kidney which are involved in the process of waste removal…

Q: Long nephron loopsa. are common in animals with access to abundant freshwater.b. allow urine to…

A: A long nephron circles is needed to make the pee more thought. The nephron circle reabsorbs however…

Q: In the kidney, there are many more nephrons than collecting ducts.  Explain why.

A: Kidney is the main excretory organ in our body. Nitrogenous waste meterial getting out through this…

Q: The active transport of solutes into the lumen of an excretory organ iscalleda. filtration.b.…

A: The kidneys are bean-shaped organs present on either side of the abdomen in the peritoneal cavity.…

Q: Which is true about the macula densa cell? (Circle all apply) a. Secrete angiotensinogen  b.…

A: The excretory system is a vital body organ system in humans that is concerned with the removal of…

Q: A nephron does not include: a. Aferent and eferent arterioles b. Cortex and medulla regions c.…

A: The pair of bean-shaped organs, located in the abdominal cavity that are responsible for production…

Q: Which of the following describes the countercurrent mechanism of the nephron loop? * O Water moves…

A: A countercurrent mechanism is an arrangement in vascular plants that reduces water loss by reducing…

Q: A relatively largediameter of the efferentarteriolescompared to the afferentarteriole.

A: b. A relatively large diameter of the efferent arterioles compared to the afferent arteriole.

Q: All of the following statements about Juxtamedullary nephrons are correct EXCEPT their glomeruli lie…

A: Juxtamedullary nephrons are different from cortical nephrons; they differ in function as well as in…

Q: The return of filtered molecules from the nephron packet to the blood is called    a. Excretion…

A: The glomerulus is the filter system of the nephron and it filters the blood and reabsorbed…

Q: The primary purpose of kidney autoregulatory is to: prevent wide fluctuations in the GFR and…

A: The human excretory system consist of two kidneys. The kidney is the major organ which function in…

Q: Which of the following statements about the kidney is false? a. The renal pelvis drains into the…

A: The kidneys are paired organs defined as in the shape of a bean,  present on either side of the…

Q: Jaxton’s heart rate is 68/min. What is the length of his cardiac cycle in seconds?

A: The cardiovascular system is a vital system of the body that helps transport blood along with…

Q: Which of the following is not a function of the kidneys? a elimination of urine b filtration of…

A: Kidneys are a pair of bean shaped organ. Kidneys help in removal of waste products from body.

Q: Juxtaglomerular cells are involved in the secretion ofa. ADH. c. aldosterone.b. angiotensin. d.…

A: Hormones are chemical messengers secreted by specialized cells known as glands. Hormones are…

Q: Choose which of the following substances would be too large to be filtered from the blood into the…

A: Nephron is the functional unit of kidney.Nephron consist of two parts which are renal corpuscle and…

Q: Besides the kidneys, Locate another instance of a countercurrent exchange system in biology or…

A: Within the kidneys, countercurrent duplication is the mechanism of utilizing vitality to make an…

Q: In formation of con.urine

A: *Nephrons contain PCT DCT and Loop of henle . Nephrons have to go deep into the medulla for more…

Q: During muscle contraction, which of the following processes takes place? Select one: O a. AMP…

A: Please follow step 2 & 3 for detailed explanation.

Q: What sets the concentration gradient for solute reabsorption in the proximal convoluted tubule

A: Proximal convoluted tubule is the part of nephron where solute reabsorption takes place, it plays a…

Q: Tubular fluid from the proximal convoluted tubule next travelsto thea. capsular space.b. collecting…

A: A nephron is the basic functional unit of the kidneys that clean the blood, resorbs what is…

Q: Substances moving from the blood in the capillaries through tubule cells into the filtrate is called…

A: The kidneys are two reddish-brown organs.  The basic structural unit in the kidney is a nephron. A…

Q: Potassium ions enter the by .a. proximal convoluted tubule, diffusionb. proximal convoluted tubule,…

A: The urinary system’s function is to filter blood, eliminate waste products and also to regulate…

Q: The juxtaglomerular cells of the and the macula densa cellsof the form the juxtaglomerular…

A: The juxtaglomerular cells are cells within the kidney that synthesize, store, and discharge the…

Q: What is maintaned by the countercurrent mechanism in the nephron? O The countercurrent allows…

A: the countercurrent mechanisms help to concentrate urine inside the kidney to the medulla.

Q: Substance X shows that it is with 0 ml/min of renal clearance. What does it imply? A. Substance X is…

A: Question is related to Nursing pharmacology.  In this question asked about meaning of Renal…

Q: filtered fluid that forms in the nephrons will first empty into the

A: Human urinary system consists of kidney, ureter, urinary bladder and urethra. Kidney releases the…

Q: The forces that oppose glomerular filtration are:    W. osmotic force of proteins in the glomerular…

A: The first step of making urine is glomerular filtration. In this process, the kidney removes the…

Q: In the kidneys where does most of the tubular reabsorption occur a. Proximal convoluted tubule b.…

A: In the human body, the regulation of blood volume and electrolytes by the elimination of excess…

Q: the descending loop of the nephron is permeable to ______ and impermeable to _____ a. Water, sodium…

A: A nephron is the primary morphological and physiological unit of the kidneys that controls the…