GENERAL HISTOLOGY

EXCRETORY SYSTEM

EXCRETORY SYSTEM ALL QUESTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Kidney “stones”
A
are infections of the urinary tract, especially the bladder.
B
are mineral crystals that form in urine inside the kidney
C
can result in damage to the capillaries of nephrons
D
are used when blood is filtered through a machine
Explanation: 

Detailed explanation-1: -Kidney stones form when your urine contains more crystal-forming substances-such as calcium, oxalate and uric acid-than the fluid in your urine can dilute. At the same time, your urine may lack substances that prevent crystals from sticking together, creating an ideal environment for kidney stones to form.

Detailed explanation-2: -Overview. Kidney stones are hard objects, made up of millions of tiny crystals. Most kidney stones form on the interior surface of the kidney, where urine leaves the kidney tissue and enters the urinary collecting system. Kidney stones can be small, like a tiny pebble or grain of sand, but are often much larger.

Detailed explanation-3: -These crystals are made from oxalate-a substance found in foods like green, leafy vegetables-combined with calcium. Having too much oxalate or too little urine can cause the oxalate to crystalize and clump together into stones.

Detailed explanation-4: -Your urine contains many dissolved substances, including minerals. If you have too many minerals in your urine, certain minerals may clump together with other substances and form solid crystals. It’s normal to have a few small crystals in your urine.

Detailed explanation-5: -The build-up of oxalate can form crystals, which can form kidney stones. If your calcium oxalate stones keep coming back, your healthcare provider may test you for these conditions.

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