Pearson eText Biology: Science for Life -- Instant Access (Pearson+)
6th Edition
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Author: Colleen Belk, Virginia Maier
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Chapter 19, Problem 10LTB
Summary Introduction
To determine:
The parts of the excretory system in the diagram.
Introduction:
The urinary system is also termed as renal system. Itconsists of kidney, bladder, urethra and ureter. The main function of this system is to eliminate the waste from the body, regulate blood pressure and volume, control electrolytes level and maintain the pH level of the blood.
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The diagram below illustrates a nephron, with an enlargement of the glomerulus shown to the right. Use the labelled structures to
answer the questions which follow. Note that structures which appear both in the diagram on the left and on the 'detail' diagram
are labelled with the same letter in both places.
E
AQ
D
H
B
N
GOOOOD
1. Changes in glomerular filtration rate (GFR) as evidenced by changes in the volume and content of filtrate in the nephron are
detected by which cells? Select a letter [Select]
Still considering the diagram, angiotensin II (Angll) may increase GFR by acting on which arteriole? Select a letter
[ Select]
Question 5
When MAP falls, the sympathetic nervous system is activated. Noradrenaline affects which arteriole during a sympathetic
response? Select a letter [Select ]
A urinary tract infection (UTI) is an infection of any of the urinary tract structures: kidneys, ureter, bladder, or urethra. Considering the differences in the male and female anatomy and that the bacteria that cause UTIs are often found in the feces, explain why females are more likely to contract a UTI.
Females are more likely to contract a UTI because the opening of the urinary tract is located closer to the opening of the digestive tract, allowing fecal bacteria to get into the urinary tract more easily.
Females are more likely to contract a UTI because their urinary tract organs are more compact and located more inferiorly in the pelvic cavity.
Males get fewer UTIs because their urethra is longer and cleansed by secretions of the accessory reproductive glands.
Males urinate more often standing up, so gravity helps prevent colonization of the urinary tract.
Chapter 19 Solutions
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- Label the parts of this kidney and nephron.arrow_forwardFigure 41.5 Which of the following statements about the kidney is false? The renal pelvis drains into the ureter. The renal pyramids are in the medulla. The cortex covers the capsule. Nephrons are in the renal cortex.arrow_forwardlabel leader lines on the images belowarrow_forward
- Observe the X-ray in Figure and identify the structures. FIGURE Urinary system structures in the cat.arrow_forwardShortly after you drink a large glass of water, you will feel the urge to urinate. Explain this observation. Begin by tracing the path of water, starting at the stomach, and ending with the arrival of urine in the bladder.arrow_forwardWhat organ stores urine prior to excretion outside the body? Group of answer choices kidney urethra ureter urinary bladderarrow_forward
- Shortly after you drink a large glass of water, you will feel the urge tourinate. Explain this observation. Begin by tracing the path of thewater, starting at the glomerulus and ending with the arrival of urinein the bladder.arrow_forwardUrinary Bladder Color the following structures in the figure below. Use the colors suggested or choose your own. VII. Detrusor muscle: Pink Ureters: Brown • Urethra: Green • External urinary sphincter: Purple Internal urethral sphincter: Orange Trigone: Blue • Rugae: Outline in blackarrow_forwardWhich describes the tube leading urine created from the kidneys to be stored in the bladder? renal artery renal vein urethra ureterarrow_forward
- Although the kidneys are probably best known as filtration organs, they also help control blood pressure. Explain their role in this process. please help with examplesarrow_forwardlabeling leader lines on the images Nephron & its Blood Supply is the second onearrow_forwardWhich of the following is matched correctly? Group of answer choices trigone = smooth muscle of urinary bladder renal pyramids = contain distal tubules incontinence = inability to voluntarily control urination transitional epithelium =responsible for peristalsis (ureter) Question 2 The collecting ducts pass into what part of the kidney? Group of answer choices renal pelvis cortex medulla capsule The pressure driving fluid out of the glomerulus into the surrounding Bowman's capsule is: Group of answer choices osmotic hydrostatic intraocular barometricarrow_forward
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Excretory System; Author: Amoeba Sisters;https://www.youtube.com/watch?v=q5qaGHfdmYM;License: Standard youtube license