ITEC A&p (Excretory/Urinary) Q&a

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| By Wayne Duggan
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Wayne Duggan
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1. What is meant by micturition?

Explanation

Micturition refers to the act of passing urine. It is the process by which urine is expelled from the body through the urethra. This occurs when the bladder muscles contract and the sphincter muscles relax, allowing urine to flow out of the body. Micturition is a normal physiological process that helps eliminate waste products and maintain the balance of fluids in the body.

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ITEC A&p (Excretory/Urinary) Q&a - Quiz

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2. What is meant by micturition?

Explanation

Micturition refers to the act of passing urine. This process involves the contraction of the bladder muscles and relaxation of the urethral sphincter, allowing urine to be expelled from the body. Micturition is a normal physiological process that helps eliminate waste products and maintain fluid balance in the body.

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3. What is nephritis:

Explanation

Nephritis is defined as an inflammation of the kidneys. This condition can be caused by various factors such as infections, autoimmune disorders, or certain medications. Symptoms of nephritis may include blood in the urine, frequent urination, high blood pressure, and swelling in the hands and feet. Treatment for nephritis depends on the underlying cause and may involve medications, lifestyle changes, and in severe cases, dialysis or kidney transplant.

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4. What is the name given to inflammation of the kidney?

Explanation

Nephritis is the correct answer because it refers to inflammation of the kidney. Cystitis is inflammation of the bladder, glomerulonephritis is inflammation of the glomeruli in the kidney, and kidney stones are not related to inflammation but rather the formation of hard deposits in the kidneys.

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5. What is meant by micturition?

Explanation

Micturition refers to the act of passing urine. This process involves the relaxation of the urinary sphincter muscles, allowing urine to flow from the bladder through the urethra and out of the body. Micturition is controlled by the nervous system, specifically the coordination between the bladder muscles and the muscles of the urethra. It is a natural and necessary bodily function to eliminate waste products and maintain fluid balance in the body.

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6. What is the function of antidiuretic hormone?  

Explanation

The function of antidiuretic hormone is to increase water reabsorption in the kidneys. This hormone is released by the pituitary gland in response to low blood volume or high blood osmolality. It acts on the kidneys to increase the reabsorption of water, which helps to conserve water in the body and prevent excessive water loss through urine. This helps to maintain the body's fluid balance and prevent dehydration.

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7. What is the name given to inflammation of the kidney?

Explanation

Nephritis is the correct answer because it refers to inflammation of the kidney. Cystitis is the inflammation of the bladder, not the kidney. Glomerulonephritis specifically refers to inflammation of the glomeruli in the kidney. Kidney stones are not related to inflammation but rather the formation of solid deposits within the kidneys.

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8. which part of the urinary system connects the medulla to the ureter?

Explanation

The renal pelvis is the part of the urinary system that connects the medulla to the ureter. It is a funnel-shaped structure that collects urine from the kidney and funnels it into the ureter for elimination from the body. The renal pelvis acts as a reservoir for urine before it is transported to the bladder.

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9. which part of the urinary system connects the medulla to the ureter?

Explanation

The renal pelvis is the part of the urinary system that connects the medulla to the ureter. It is a funnel-shaped structure that collects urine from the major calyces and transports it to the ureter. The renal pelvis acts as a reservoir for urine before it is expelled from the body through the ureter.

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10. Cystitis is defined as:

Explanation

Cystitis is defined as an inflammation of the bladder. Inflammation refers to the body's response to injury or infection, which causes redness, swelling, and pain. The bladder is a hollow organ that stores urine, and when it becomes inflamed, it can lead to symptoms such as frequent urination, pain or discomfort during urination, and a strong urge to urinate. This inflammation is often caused by a bacterial infection, but it can also be due to other factors such as irritation from certain chemicals or medications.

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11. Cystitis is defined as inflammation of which of the following?

Explanation

Cystitis is defined as inflammation of the bladder. The term "cyst" refers to the bladder, and "itis" indicates inflammation. The other options - urethra, kidney, and ureter - are not correct because they refer to different parts of the urinary system and not specifically the bladder.

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12. Which disease/disorder results in calcium deposits forming in the renal pelvis?

Explanation

Kidney stones are formed when calcium deposits accumulate in the renal pelvis, causing a disease/disorder known as nephrolithiasis. This condition occurs when there is an imbalance in the levels of certain minerals and salts in the urine, leading to the formation of hard deposits in the kidneys. These deposits can vary in size and can cause severe pain and discomfort when they pass through the urinary tract. Treatment options for kidney stones include medication, lifestyle changes, and in some cases, surgical intervention.

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13. Urine consists of what percentage of water?

Explanation

Urine consists of 96% water. This means that 96% of the volume of urine is made up of water, while the remaining 4% consists of waste products, such as urea, salts, and toxins. Water is essential for the body's normal functioning, and urine helps to remove waste and maintain hydration levels.

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14. The function of the renal pelvis is to:

Explanation

The renal pelvis is a funnel-shaped structure in the kidney that collects urine from the medulla, which is the innermost part of the kidney, and then passes it to the ureter. The ureter then carries the urine from the kidney to the bladder. Therefore, the correct answer is "Collect urine from the medulla and pass it to the ureter."

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15. The percentage of urea in urine is:

Explanation

The percentage of urea in urine is 2% because urea is a waste product that is excreted by the kidneys. It is a byproduct of protein metabolism and is filtered out of the blood by the kidneys. The kidneys then excrete urea in the urine. The concentration of urea in urine is relatively low compared to other substances, making up only about 2% of the total urine composition.

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16. Where does the pigment that gives urine its colour come from?

Explanation

Bile is the correct answer because it is a yellowish-green fluid produced by the liver and stored in the gallbladder. It is released into the small intestine to aid in the digestion and absorption of fats. Bile contains a pigment called bilirubin, which gives urine its yellow color when it is excreted from the body. The liver processes bilirubin and excretes it into the bile, which eventually ends up in the urine.

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17. During filtration and urine production, reabsorption takes place in the:

Explanation

During filtration and urine production, reabsorption takes place in the convoluted tubules. This is because the convoluted tubules are responsible for reabsorbing important substances such as water, glucose, amino acids, and electrolytes from the filtrate back into the bloodstream. This reabsorption process helps to maintain the body's water and electrolyte balance and prevent the loss of valuable substances. The other options, such as the calyces, Bowman's capsule, and urethra, do not play a significant role in reabsorption during urine production.

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18. Define brights disease:

Explanation

Bright's disease, also known as nephritis, is a medical condition characterized by inflammation of the kidney. It can be caused by various factors such as infections, autoimmune disorders, or certain medications. The inflammation can affect the kidney's ability to filter waste products and excess fluid from the blood, leading to symptoms such as swelling, high blood pressure, and changes in urine output. If left untreated, Bright's disease can result in kidney damage and potentially lead to kidney failure. Therefore, it is important to diagnose and manage the inflammation promptly to prevent further complications.

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What is meant by micturition?
What is meant by micturition?
What is nephritis:
What is the name given to inflammation of the kidney?
What is meant by micturition?
What is the function of antidiuretic hormone?  
What is the name given to inflammation of the kidney?
Which part of the urinary system connects the medulla to the ureter?
Which part of the urinary system connects the medulla to the ureter?
Cystitis is defined as:
Cystitis is defined as inflammation of which of the following?
Which disease/disorder results in calcium deposits forming in the...
Urine consists of what percentage of water?
The function of the renal pelvis is to:
The percentage of urea in urine is:
Where does the pigment that gives urine its colour come from?
During filtration and urine production, reabsorption takes place in...
Define brights disease:
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