Quiz 9 Urinary System lecture and lab

The region known as the macula densa is part of the nephron loop (loop of Henle). Glomerular (Bowman's) capsule. the distal convoluted tubule. the proximal convoluted tubule. the collecting duct.

B) the distal convoluted tubule.

The renal corpuscle consists of: renal columns and renal pyramids Bowman's capsule and the glomerulus major and minor calyces the cortex and the medulla none of the choices is correct

Bowman's capsule and the glomerulus

minor calyx

Figure 26-1 The Structure of the Kidney Use Figure 26-1 to answer the following questions: Identify the structure labeled "4." renal pelvis minor calyx major calyx renal column ureter

renal papilla

Figure 26-1 The Structure of the Kidney Use Figure 26-1 to answer the following questions: Identify the structure labeled "9." renal column fibrous capsule renal papilla renal sinus renal pyramid

filtration

Figure 26-2 The Nephron Use Figure 26-2 to answer the following questions: What physiological process occurs at the structure labeled "1"? micturition reabsorption excretion filtration secretion

3

Figure 26-2 The Nephron Use Figure 26-2 to answer the following questions: Where does most nutrient reabsorption occur? 3 6 4 5 2

4

Figure 26-2 The Nephron Use Figure 26-2 to answer the following questions: Where does obligatory water reabsorption occur? 1 2 5 3 4

5

Figure 26-2 The Nephron Use Figure 26-2 to answer the following questions: Where would penicillin be secreted? 5 3 and 4 4 6 3

5 and 6

Figure 26-2 The Nephron Use Figure 26-2 to answer the following questions: Which area is sensitive to the hormone ADH? 3 4 1 4, 5, and 6 5 and 6

renal capsule (spelling)

Identify the highlighted covering of the kidney.

Spongy urethra

Identify the highlighted structure.

Urinary bladder (spelling)

Identify the highlighted structure. _______

Ureter (spelling)

Identify the highlighted structures.

Question 20 A glomerulus is the horseshoe-shaped segment of the nephron. the expanded end of a nephron. a knot of capillaries within the renal corpuscle. attached to the collecting duct. the source of erythropoietin

a knot of capillaries within the renal corpuscle.

Seen in section, the kidney is divided into: major and minor calyces a renal tubule and renal corpuscle renal columns and renal pelves an outer cortex and an inner medulla none of the choices is correct

an outer cortex and an inner medulla

Question 13 The process of filtration is driven by blood osmotic pressure. active transport. solvent drag. renal pumping. blood hydrostatic pressure.

blood hydrostatic pressure.

Urine passes, in the order given, through which of the following structures? renal pelvis, urethra, bladder, ureter, collecting duct collecting duct, renal pelvis, ureter, bladder, urethra collecting duct, ureter, renal pelvis, urethra, bladder collecting duct, renal pelvis, urethra, bladder, ureter renal pelvis, collecting duct, bladder, ureter, urethra

collecting duct, renal pelvis, ureter, bladder, urethra

The portion of the renal segment that is under ADH and aldosterone stimulation is the: distal convoluted tubule Loop of Henle proximal convoluted tubule vasa recta none of the choices is correct

distal convoluted tubule

The primary site for secretion of substances into the filtrate is the: proximal convoluted tubule Loop of Henle distal convoluted tubule renal corpuscle all of the choices are correct

distal convoluted tubule

The urinary system does all of the following, except that it regulates blood volume. eliminates organic waste products. excretes excess albumen molecules. regulates plasma concentrations of electrolytes. contributes to stabilizing blood pH.

excretes excess albumen molecules.

The initial process which determines if urine production occurs is: absorption secretion filtration activation none of the choices is correct

filtration

The three processes involved in urine formation are: filtration, reabsorption, secretion diffusion, osmosis, and filtration regulation, elimination, micturition cotransport, countertransport, facilitated diffusion none of the choices are correct

filtration, reabsorption, secretion

In countercurrent multiplication, the countercurrent refers to the fact that an exchange occurs between: potassium and chloride ions fluids moving in opposite directions sodium ions and chloride ions solute concentrations in the Loop of Henle none of the choices are correct

fluids moving in opposite directions

The thin segments in the Loop of Henle are: relatively impermeable to water, ions, and other solutes freely permeable to water; relatively impermeable to ions and other solutes freely permeable to water, ions, and other solutes relatively impermeable to water; freely permeable to ions and other solutes none of the choices is correct

freely permeable to water; relatively impermeable to ions and other solutes

Which organ or structure does not belong to the urinary system? gallbladder ureters kidneys urethra none of the choices is correct

gallbladder

The outward pressure forcing water and solute molecules across the glomerulus wall is the: glomerular hydrostatic pressure blood osmotic pressure filtration pressure capsular hydrostatic pressure none of the choices are correct

glomerular hydrostatic pressure

Which of the following substances undergo tubular secretion: hydrogen ions sodium ions glucose water All of the answers are correct.

hydrogen ions

Renal pelvis (spelling)

identify the structure into which the major calices drain.

The collecting system in the kidney is responsible for: making final adjustments to the sodium ion concentration and volume of urine absorption of nutrients, plasma proteins, and ions from the filtrate creation of the medullary concentration gradient active secretion and reabsorption of sodium ions none of the choices is correct

making final adjustments to the sodium ion concentration and volume of urine

The basic functional unit in the kidney is the: Loop of Henle Bowman's capsule nephron glomerulus none of the choices is correct

nephron

The vital function(s) performed by the nephrons in the kidneys is (are): production of filtrate reabsorption of organic substrates reabsorption of water and ions secretion of waste materials all of the choices are correct

production of filtrate, reabsorption of organic substrates, reabsorption of water and ions

In a nephron, the long tubular passageway through which the filtrate passes includes: renal corpuscle, renal tubule, renal pelvis collecting tubule, collecting duct, papillary duct Loop of Henle, collecting and papillary duct proximal and distal convoluted tubules and Loop of Henle none of the choices is correct

proximal and distal convoluted tubules and loop of Henle

The primary site of nutrient reabsorption in the nephron is the: distal convoluted tubule proximal convoluted tubule Loop of Henle renal corpuscle none of the choices is correct

proximal convoluted tubular

The three concentric layers of connective tissue that protect and anchor the kidneys are the: major calyces, minor calyces, renal pyramids cortex, medulla, papillae renal capsule, adipose capsule, renal fascia hilus, renal sinus, renal corpuscle none of the choices is correct

renal capsule, adipose capsule, renal fascia

The hormones that affect the glomerular filtration rate (GFR) by regulating blood pressure and volume are: aldosterone, epinephrine, oxytocin insulin, glucagons, glucocorticoids renin, erythropoietin, ADH GH, ANP, and ADH none of the choices is correct

renin, erythropoietin, ADH

Question 17 Tubular reabsorption involves all of the following, except stem cell movements. active transport. countertransport. facilitated diffusion. cotransport.

stem cell movements.

The three primary waste products found in a representative urine sample are: glucose, lipids, proteins urea, creatinine, uric acid ions, metabolites, nitrogenous wastes sodium, potassium, chloride none of the choices is correct

urea, creatinine, uric acid

When urine leaves the kidney it travels to the urinary bladder via the: renal hilus renal calyces ureters urethra none of the choices is correct

ureters

Contraction of the muscular bladder forces the urine out of the body through the: penis ureter urethra nephron none of the choices is correct

urethra

he following is a list of the blood vessels that carry blood to the kidney. 1. afferent arteriole 2. arcuate artery 3. interlobar artery 4. renal artery 5. glomerulus 6. cortical radiate artery 7. efferent arteriole 8. peritubular capillary The proper order in which blood passes through these vessels is 4, 6, 2, 3, 7, 5, 1, 8. 4, 3, 6, 2, 1, 5, 7, 8. 4, 6, 2, 3, 1, 5, 7, 8. 4, 3, 2, 6, 7, 5, 1, 8. 4, 3, 2, 6, 1, 5, 7, 8.

4, 3, 2, 6, 1, 5, 7, 8.