Which structure descends deep into the renal medulla only in juxtamedullary nephrons? a. loop of Henle b. collecting duct c. Bowman's capsule d. proximal convoluted tubule e. glomerulus | Homework.Study.com (2024)

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• Which of the following is not a structure of a nephron? A.the loop of Henle B. the proximal convoluted tubule C. the urinary bladder D. Bowman's capsule E. all are structures of the nephron
• Which of the following is not part of the nephron? a. The proximal convoluted tubule b. Bowman capsule c. Loop of Henle d. The distal convoluted tubule e. Glomerulus
• In which part of a nephron, does the most reabsorption occur? (a) glomerulus (b) proximal convoluted tubule (c) distal convoluted tubule (d) collecting duct.
• The nephron loop is located between which of the following structures? a) glomerulus and proximal convoluted tubule b) proximal convoluted tubule and distal convoluted tubule c) glomerulus and glomerular capsule d) distal convoluted tubule and collecti
• Which of the following is a component of a vertebrate kidney? a. glomerulus b. Bowman's capsule c. renal tubules d. collecting ducts e. Malphigian tubules
• Which one of the following is not a part of a renal pyramid? 1. Loops of Henle 2. Peritubular capillaries 3. Convoluted tubules 4. Collecting ducts
• What is the tube that connects the kidneys and the urinary bladder? a) The urethra b) The renal tubule c) The distal convoluted tubule d) The proximal convoluted tubule e) The ureter
• What is the tube connecting the renal hilum of the kidney to the bladder? a. Distal convoluted tubule b. Ureter c. Proximal convoluted tubule d. Collecting duct e. Urethra
• Arrange the following structures into an accurate sequence through which filtrate passes: 1. Proximal convoluted tubule 2. Loop of Henle 3. Collecting duct 4. Distal convoluted tubule 5. Bowman's capsule (a) 5, 4, 3, 2, 1 (b) 3, 4, 2, 5, 1 (c) 1, 5, 2, 3,
• 2. What is the part of the kidney that consists of six to ten cone-shaped renal pyramids? Select one: a. The renal medulla b. The renal nephron c. The renal pelvis d. The renal cortex e. The renal collecting duct
• What is the outer portion of the kidney? a) The renal medulla b) The renal nephron c) The renal pelvis d) The renal cortex e) The renal collecting duct
• Filtration occurs in what region of nephron? a. the collecting duct b. the proximal convoluted tubule c. the glomerulus d. the nephron loop and the distal convoluted tubule
• Amiloride (Midamone) acts at this nephron site: a) Proximal convoluted tubule b) Ascending thick limb of the loop of Henle c) Distal convoluted tubule d) Collecting duct
• Which nephron is most responsible for urine concentration? a) cortical nephrons b) juxtamedullary nephrons c) neither
• Which of the following is a component of a vertebrate kidney? (Select all correct choices.) a. Glomerulus b. Bowman's capsule c. Renal tubules d. Collecting ducts e. Malpighian tubules
• What is the outermost region of the kidney called? a. Renal cortex. b. Renal medulla. c. Renal hilum. d. Renal pelvis. e. Renal pyramids.
• The filtrate moves out of the glomerular capsule to the and then to the _______ loop of the nephron. A) proximal convoluted tubule B) juxtaglomerular apparatus C) renal pelvis D) collecting duct.
• Acetazolamide (Diamox) acts at this nephron site: a) Proximal convoluted tubule b) Ascending thick limb of the loop of Henle c) Distal convoluted tubule d) Collecting duct
• The first portion of the renal tubule is the: a. glomerulus. b. ascending loop of Henle. c. distal convoluted tubule. d. proximal convoluted tubule. e. descending loop of Henle.
• Afferent arteriole, glomerulus, efferent arteriole, peritubular capillaries, Vasa recta, proximal convoluted tubule, descending limb and ascending limb of the loop of Henle, Distal convoluted tubule, and collecting ducts. Starting with the renal artery e
• Metolazone (Mykrox) acts at this nephron site: a) Proximal convoluted tubule b) Ascending thick limb of the loop of Henle c) Distal convoluted tubule d) Collecting duct
• What are the triangular regions of the kidneys that are striped in appearance and separated by the renal columns? a. Renal pelvis b. Renal cortex c. Renal pyramids d. Calyces e. Renal medulla
• Major reabsorption of water happens by ________ at the _________. a) cotransport, distal convoluted tubules b) chloride shift, nephron loop c) countercurrent, nephron loop d) countercurrent, ureter
• Amiloride acts at which of the following nephron sites? a) Proximal convoluted tubule b) Ascending thick limb of the loop of Henle c) Distal convoluted tubule d) Collecting duct
• Which portion of the nephron is found in both the renal cortex and medulla?
• Bowman's capsule, the start of the tubular part of a nephron, is located in the: a. renal cortex b. renal artery c. renal pelvis d. renal medulla
• What are the conical sections of the renal medulla called?
• Name the tube that connects the kidneys and the urinary bladder. a) The urethra b) The renal tubule c) The distal convoluted tubule d) The proximal convoluted tubule e) The ureter
• What fluid fills each of the following? a. The capsular space. b. Distal convoluted tubule. c. Glomerulus. d. Afferent arteriole. e. Efferent arteriole. f. Ureter. g. Minor calyx. h. Bladder.
• Nephrons located close to the medulla with long nephron loops are called __________.
• The term "juxtamedullary" means "next to the medulla". Which part of the juxtamedullary nephron is actually located inside the renal medulla? A. glomerulus B. Bowman's capsule C. PCT D. Entire Ephron E. Look of henle.
• ADH mainly targets cells in the: a. proximal convoluted tubule b. loop of Henle c. distal convoluted tubule d. glomerulus e. collecting duct
• Which of the following is a hormone that regulates the reabsorption of sodium by the distal convoluted tubules and collecting ducts? A) Aldosterone. B) ADH. C) ANP. D) Angiotensin.
• Spironolactone (Aldactone) acts at this nephron site: a) Proximal convoluted tubule b) Ascending thick limb of the loop of Henle c) Distal convoluted tubule d) Collecting duct
• The part of the kidney in which blood is filtered is called the: A. medulla. B. glomerulus. C. nephron. D. mesangium. E. podocyte.
• Which of the following is true about the reabsorption process in the proximal convoluted tubule? (a) Na+ ions are actively transported out of the tubule and into the peritubular capillaries (b) Negatively charged ions (e.g. chloride) are transported out
• A drop of urine would follow this path: a) renal pyramid, major calyx, minor calyx, renal pelvis, ureter b) minor calyx, major calyx, renal pyramid, renal pelvis, ureter c) renal pelvis, minor calyx, major calyx, renal pyramid, ureter d) renal pyramid, mi
• Mention the major functions of the following parts in nephron: 1. Glomerulus 2. Bowman's capsule 3. Proximal and distal tubules 4. Loop of Henle 5. Collecting ducts
• Nephrons found in both the renal cortex and the medulla are called?
• Which of the following is not a part of the urinary system? (a) kidney (b) nephron (c) adrenal gland (d) ureters
• Erythropoietin is released from the kidneys by the: A. Macula Densa B. Peripheral tubule C. Vasa Recta D. Pyelonephritic junction
• The osmolality of the interstitial fluid ranges from about ________ mOsm/L in the cortex to about _______ mOsm/L as the juxtamedullary nephron descends into the renal medulla.
• Nephron includes all of the following except __________. a. Glomerulus b. Proximal tubule c. Distal tubule d. Calyx e Loop
• The loop of Henle: a. is located for the most part in the renal medulla. b. transports NaCl to the interstitial tissue space. c. both a and b. d. Neither a nor b.
• The two main structures that make up a kidney are the a) hilus and cortex b) cortex and medulla c) renal pelvis and medulla.
• The concentration gradient that exists in the medulla of the kidney is produced by the: A. loops of the cortical nephrons B. proximal convoluted tubules of juxtamedullary nephrons C. loops of the juxtamedullary nephrons D. distal convoluted tubules of cor
• Regulation of the volume and osmolarity of body fluids occurs first in the: a) proximal convoluted tubules b) distal convoluted tubules c) loop of Henle d) glomerular capsule e) collecting ducts
• The production of filtrate starts at: a) loop of Henle b) capsular space c) distal convoluted tubule d) proximal convoluted tubule
• What is the name of the structure that connects the arteriole and venule sides of a capillary bed? A. Arteriole B. Metarteriole C. Precapillary sphincter D. Venule
• The [{Blank}] is the functional unit of excretion found in the kidneys. a) Nephron b) Bowman capsule c) Glomerulus d) Alveoli e) Microvilli
• The renal cortex dips into the renal medulla dividing it off into structures known as what?
• Where does most of the water reabsorbed after glomerular filtration go? What other substances are reabsorbed by the nephron tubules?
• Which of the following statements describes the cortex? a. Membranous sac containing urine. b. Outer layer of the kidney. c. Upper end of the ureter. d. The renal pelvis.
• As filtrate flows through the nephron, water, ions, and organic nutrients are returned to the bloodstream by reabsorption. In which region of the nephron is the reabsorption of materials under hormonal control? a. distal tubule b. proximal tubule c. nephr
• The outer convex region of kidney is called? A. pelvis B. cortex C. nephron D. calyces
• The medulla is: a. the inner part of the kidney. b. the outer layer of the kidney. c. the renal pelvis. d. the urinary meatus.
• In the nephron of a mammal, A. water and blood proteins enter Bowman's capsule from the glomerulus. B. filtrate moves from Bowman's capsule into the glomerulus. C. the descending limb of the loop of Henle is permeable to salts. D. the descending limb
• Which one of the following statements about the nephron is false? a) Most of the Na^+ and Cl^- ions in the filtrate are reabsorbed in the distal tubule. b) The descending limb of the loop of Henle is permeable to water but the ascending limb is not. c) Th
• Why are the two parts of the nephron loop called descending and ascending? (a) The descending loop is the portion that carries filtrate deep into the renal medulla, away from the cortex. The ascending loop carries filtrate back toward the kidney surface.
• What structure or tissue does the membranous urethra pass through?
• The functional unit of the kidney is known as the: A. medulla B. glomerulus C. pyramid D. nephron
• Most of the glucose that is filtered through the glomerulus undergoes reabsorption in the : a) proximal tubule b) descending limb of the loop of Henle c) ascending limb of the loop of Henle d) distal tubule e) collecting duct
• Label the major and minor calyx, the renal artery, renal capsule, renal column, renal lobe, renal pyramid, renal vein, and ureter.
• The functional unit of the kidney is called \rule{2cm}{0.4pt}. a) the renal hilus b) the renal corpuscle c) the nephron d) Bowman's capsule
• Reabsorption of water at the proximal tubule _______. (a) is dependent on sodium being pumped out of the proximal tubule cell on the apical surface (b) is directly dependent on the active transport of water (c) is directly dependent on the secretion of Na
• In the kidney, the distal convoluted tubules of the nephron contain a filtrate in which the sodium concentration is lower than in the surrounding peritubular capillaries. If sodium ions move from the filtrate to the blood, what process is at work?
• The outermost layer of the kidney is called __________. a. Capsule b. Mucosa c. Medulla d. Calyx e. Pelvis
• Most kidney tubules are made of _______ tissue specialized for absorption and secretion. (a) simple columnar epithelium (b) stratified columnar epithelium (c) pseudostratified columnar epithelium (d) simple cuboidal epithelium (e) stratified cuboidal epit
• Identify the kidney component in the key that matches the description. Key: a. glomerular capsule b. proximal convoluted tubule c. nephron loop d. distal convoluted tubule Filtration occurs here.
• Draw the diagram of nephron and label the following parts: 1. Glomerulus 2. Bowman's capsule 3. Proximal and distal tubules 4. Loop of Henle 5. Collecting ducts
• The urinary bladder receives urine through the _____ and discharges it through the _____. a. ureter, nephron b. bladder, urethra c. medulla, meatus d. ureter, urethra
• Distal convoluted tubules flow directly into what structures?
• Urinary System : Substances in the glomerulus Which ones are Reabsorbed (yes or no); indicate the location of reabsorption 1. Cells 2. Water 3. Glucose 4. Proteins 5. Urea 6. Creatine 7. Electrolytes 8. Uric acid
• 3. In the segmented body of an annelid, the paired excretory structures are called _____. Select one: a. Flame cells b. Kidneys c. Malpighian tubules d. Nephridia e. Nephrons
• The loops of Henle create a concentration gradient in the interstitial fluid surrounding the loop, with the concentration highest in the _______ and lowest in the _______ of the kidney. a. inner medulla; cortex b. outer medulla; inner medulla c. outer me
• Choose the correct answer: Substances initial secreted are readsorbed in the a. proximal convoluted tubule b. distal convoluted tubule c. collecting duct
• Which of the following statements about the filtrate formed in the nephron is true? A. Water is actively transported across the walls of the nephron. B. Blood plasma and filtrate are identical in composition. C. The filtrate moves from the Bowman's capsul
• Antidiuretic hormone prevents excessive water loss by promoting water reabsorption in which of the following structures? a. Proximal convoluted tubule b. Bladder c. Distal convoluted tubule d. Glomerulus e. Collecting duct
• What specific epithelial tissue type is found in kidney tubules?
• Arrange the following structures into an accurate sequence through which urine passes. 1. urethra 2. urinary bladder 3. kidney 4. ureter a) 4, 3, 2, 1 b) 3, 4, 2, 1 c) 1, 2, 3, 4 d) 4, 2, 1, 3 e) 3, 1, 2, 4
• Where are most nephrons located? a. Pyramids b. Medulla c. Calyces d. Pelvis e. Cortex
• Identify the kidney component in the key that matches the description. Key: a. glomerular capsule b. proximal convoluted tubule c. nephron loop d. distal convoluted tubule Microvilli reabsorb molecules, such as glucose, here.
• Which of the following structures is NOT a part of the muscle fiber? A. transverse tubule B. motor endplate C. sarcolemma D. synaptic knob E. sarcoplasmic reticulum
• The proximal convoluted tubule is primarily located in the: a. cortex b. medulla
• Which of the following statements is true about tubular fluid that has just reached the distal convoluted tubule (DCT)? a) It has a relatively low osmolarity because it has just left the loop of Henle, where ions were reabsorbed, but water was not. b) It
• What occurs in the descending limb of the loop of Henle? a. Filtration b. Water reabsorption c. Secretion of sodium ions d. Secretion of potassium ions
• Identify the kidney component in the key that matches the description. Uric acid is eliminated by secretion here. a. glomerular capsule b. proximal convoluted tubule c. nephron loop d. distal convoluted tubule
• Which component of the urinary system is a funnel-shaped cavity, formed by the union of calices, ending in the ureter? Where is the prostatic sinus, in relation to the prostate?
• The job of the kidney is to filter blood. Once the filtrate is in the tubules of nephrons, what happens next? A) Depending on need, amino acids are reabsorbed back into the body. B) Depending on need, sodium is reabsorbed back into the body. C) Dependi
• Which of the following statements about the ureters is NOT correct? A) transport urine from the kidney to the urinary bladder. B) are located in the peritoneal cavity between 2 serous membranes like the kidneys. C) are lined with a mucous membrane, have a
• What do afferent and efferent arterioles, glomerulus, and Bowman's capsule make?
• What is included in the excretory system of insects? a) Flame cells b) Kidneys c) Malpighian tubules d) Nephridia e) Nephrons
• True or False. If false, correct it to make the statement true. The renal tubule consists of the proximal tubule, nephron loop, distal tubule and collecting system.
• What is the outer region of the kidney called that contains renal corpuscles?
• Which of the following structures does not contain CSF? A. Dural sinus B. Lateral ventricle C. Central canal D. Subarachnoid space
• Stratified cuboidal epithelia would be found _____. A. lining the urinary bladder B. lining the ducts that drain sweat glands C. lining kidney tubules D. lining the stomach E. at the surface of the skin
• Most of the reabsorbed compounds from the filtrate end up in the: a) peritubular capillary b) urine c) nephron loop d) DCT
• What is the liquid that collects in the cavity of the glomerular (Bowman) capsule? a) Concentrated urine b) Blood plasma minus proteins c) Old bile ready for excretion d) Glycogen and water e) Albumin