Test
Chapter 30.4 The Excretory System
Preguntas del test (26)
1The excretory system includes the skin, lungs, liver and kidneys and excretes metabolic wastes from the body.
- AVerdadero
- BFalso
2What are the parts of the excretory system?
- AThe skin, lungs and kidneys
- BThe kidneys, stomach and lungs
- CThe skin, lungs, liver and kidneys
3What is the role of the skin in excretion?
- AExcretes excess water
- BExcretes salt
- CExcretes a small amount of urea in sweat
- DAll of the above
4The lungs excrete carbon dioxide and small amounts of water vapor.
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5The liver converts potentially dangerous nitrogen wastes, a product of protein breakdown , into less toxic urea.
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6The kidneys are a pair of fist sized organs located on either side of the spinal column near the lower back.
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7The kidneys produce and excrete a waste product known as urine.
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8These transport urine from the kidneys to the urinary bladder.
- ABladder
- BUreters
- CUrethra
9The urinary bladder is where the urine is stored
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10Urine is released through the urethra.
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11A waste laden blood enters the kidney through the renal artery, the kidney removes urea, excess water and minerals and other waste products
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12Nephrons are the individual processing units in the kidneys that do most of the work
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13Blood purification in the kidneys is a complex process and involves
- AFiltration
- BFiltration and reabsorption
14Filtration is the passing of a liquid or a gas through a filter to remove wastes.
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15A glomerulus is..
- AA small but dense network of capillaries or very small blood vessels encases in the upper end of each nephron
- BBowman's capsule
- CNephron
16Bowman's capsule is a hollo, cup shaped structure that encases the glomerulus
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17The material that is filtered from the blood is called
- ANephron
- BGlomerulus
- CBowman's capsule
- DFiltrate
18Nearly all the material that moves into Bowman's capsule makes its way back into the blood.
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19The process by which water and dissolved substances are taken back into the blood is called
- AFiltration
- BReabsorption
20The kidneys first throw away everything and then takes back only what the body needs.
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21A section of the nephron tubule is called the loop of Henle and its job is to conserve water
- AVerdadero
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22The waste material now called urine that remains in the tubule is emptied into a collecting duct and from there the urine flows to the ureter of each kidney.
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23The ureters carry urine to the urinary bladder for storage until the urine leaves the body through the urethra.
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24The kidneys play an important role in maintaining homeostasis.
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25The kidneys
- ARespond directly to the composition of the blood
- BAre influenced by the endocrine system
- CNone of the above
- DAll of the above
26Problems with the kidneys include
- AKidney stones
- BKidney damage
- CKidney failure
- DAll of the above
Información
- Descripción
- The Excretory system
- Autor
- lindy
- Idioma
- English
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