Lab Quiz 4 Urinary System

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This arrow is pointing to the renal column.

C

Nephrons consist of a renal corpuscle and a renal tubule. The renal corpuscles are located in the ________ of the kidney. 1. columns 2. pelvis 3. cortex 4. medulla

cortex

Where is this cell structure found? 1. nephron loop 2. DCT 3. PCT 4. glomerulus 5. collecting duct

glomerulus

Where is this cell structure found? 1. nephron loop 2. PCT 3. glomerulus 4. DCT 5. collecting duct

glomerulus

An increase in the permeability of the cells of the collecting tubule to water is due to a(n) ________. 1. increase in the production of aldosterone 2. decrease in the concentration of the blood plasma 3. increase in the production of ADH 4. decrease in the production ADH

increase in the production of ADH

ADH acts on the _____ to regulate facultative water reabsorption. 1. proximal convoluted tubules 2. late distal convoluted tubules and collecting ducts 3. thick and thin segments of the ascending nephron loop 4. early and late distal convoluted tubules 5. descending portions of the nephron loop

late distal convoluted tubules and collecting ducts

The renal corpuscle is made up of ________. 1. the descending nephron loop 2. Bowman's capsule and glomerulus 3. the renal papilla 4. the renal pyramid

Bowman's capsule and glomerulus

Where is the distal convoluted tubule?

D

Which of the following labels correctly identifies the macula dense?

D

What is true about the renal processes for making urine? 1. Secretion occurs only in the proximal convoluted tubule. 2. Reabsorption occurs only in the proximal convoluted tubule. 3. Filtration occurs only in the glomerular capsule. 4. Filtration occurs only in the globular capsule, reabsorption occurs only in the proximal convoluted tubule, and secretion occurs only in the proximal convoluted tubule.

Filtration occurs only in the glomerular capsule.

Which of the following statements regarding the PCT is false? 1. almost all uric acid is reabsorbed 2. 65% of Na+ and water reabsorbed 3. all nutrients such as glucose and amino acids, are reabsorbed 4. hormonally controlled mainly by ADH and aldosterone 5. 1/2 of urea is reabsorbed

Hormonally controlled mainly by ADH and aldosterone

The kidneys are stimulated to produce renin ________. 1. when the peritubular capillaries are dilated 2. when the specific gravity of urine rises above 1.10 3. when the pH of urine decreases 4. by a decrease in the blood pressure

by a decrease in the blood pressure

Many nephrons empty into a ________. 1. collecting duct 2. microcalyx 3. columnar duct 4. renal tubule

collecting duct

Which of the choices below is not a function of the urinary system? 1. maintains blood osmolarity 2. eliminates solid, undigested wastes and excretes carbon dioxide, water, salts, and heat 3. regulates blood glucose levels and produces hormones 4. helps maintain homeostasis by controlling the composition, volume, and pressure of blood

eliminates solid, undigested wastes and excretes carbon dioxide, water, salts, and heat

During filtration in the nephron, substances move __________. 1. from the glomerulus into the nephron 2. from the afferent arteriole into the glomerulus 3. from the peritubular capillary into the nephron 4. from the nephron into the peritubular capillary

from the glomerulus into the nephron

As urine is formed it flows through the collecting ducts to enter, in order, the following structures. 1. minor calyces, renal pelvis, major calyces, ureter 2. renal pelvis, minor calyces, major calyces, ureter 3. major calyces, minor calyces, ureter, renal pelvis 4. minor calyces, major calyces, renal pelvis, ureter

minor calyces, major calyces, renal pelvis, ureter

The functional and structural unit of the kidneys is the ________. 1. nephron loop 2. nephron 3. glomerular capsule 4. capsular space

nephron

Name the structures of the kidney that produce urine. 1. collecting ducts 2. major and minor calyces 3. afferent and efferent arterioles 4. nephrons

nephrons

What is G pointing to? 1. arcuate artery 2. segmental artery 3. renal artery 4. interlobar artery 5. cortical radiate artery

segmental artery

The fatty tissue surrounding the kidneys is important because it ________. 1. ensures adequate energy for the adrenal glands to operate efficiently 2. is necessary as a barrier between the adrenal glands 3. produces vitamin D and other chemicals needed by the kidney 4. stabilizes the position of the kidneys by holding them in their normal position

stabilizes the position of the kidneys by holding them in their normal position


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