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Ikut Turutan
Menengah Rendah 1
Sains

HOMEOSTASIS REVISION

Zazol Alkirani

37

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19 soalan

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# 1Pelbagai pilihan
Define homeostasis

Semua jawapan sedang disembunyikan.

A process to maintain an unstable condition in the body
A process to maintain a unbalanced condition in the body
A process to maintain a stable condition in the body
A process to not maintain a stable condition in the body
# 2Jawapan pendek
Name the hormone that reduces the blood sugar level in the body, back to normal
# 3Pelbagai pilihan
Tick ALL relevant answers regarding glucagon.
Secreted by beta-pancreatic cells
Secreted by alpha-pancreatic cells
Will promote the transport of glucose into the cells from blood.
Will promote the breakdown of glycogen into glucose
# 4Jawapan pendek
The functional unit of kidney is called
# 5Pelbagai pilihan
Tick the processes that occur in nephron.
ultrafiltration
reabsorption
secretion
excretion
# 6Pelbagai pilihan
Which of these are the characteristics of glomerulus?
High hydrostatic pressure due to smaller diameter of efferent arteriole than afferent arteriole
High surface area because of highly coiled structure
High permeability due to microvilli
High permeability due to porous structure
# 7Pelbagai pilihan
Which of these components are unable to be filtered out of the glomerulus?
Water
Red blood cells
Large plasma protein
Platelets
# 8Pelbagai pilihan
What contributes to the reabsorption occurs at proximal convoluted tubule
High surface area, due to highly coiled structure with microvilli
High permeability due to porous structure
Present of many mitochondria, for active transport
High hydrostatic pressure, due to smaller diameter
# 9Pelbagai pilihan
Which of these molecules are FULLY reabsorbed back from proximal convoluted tubule?
Amino acid
Plasma protein
Water
Glucose
# 10Jawapan pendek
In which region of kidney does the loop of Henle extends to?
# 11Pelbagai pilihan
Tick the events occur in descending limb loop of Henle.
Permeable to NaCl, but impermeable to H2O
Permeable to H2O, but impermeable to NaCl
Reabsorption of H2O into the blood
Reabsorption of NaCl into the blood
# 12Jawapan pendek
Name the molecule that causes the permeability of descending limb loop of Henle to water.
# 13Pelbagai pilihan
Tick the events occur in ascending limb loop of Henle.
Permeable to H2O, but impermeable to NaCl
Reabsorption of NaCl into the blood
Permeable to NaCl, but impermeable to H2O
Reabsorption of H2O into the blood
# 14Jawapan pendek
This structure is the MOST important to maintain the solute (ion) balance in the body.
# 15Pelbagai pilihan
If your body has excess K+ ions, what will happen at distal convoluted tubule?
Less K+ will be secreted out of the blood into tubule.
More K+ will be reabsorbed into the blood from tubule.
Less K+ will be reabsorbed into the blood from tubule.
More K+ will be secreted out of the blood into tubule.
# 16Jawapan pendek
The secretion of drugs and toxins occurs at
# 17Jawapan pendek
The hormone that regulate blood osmotic pressure is called? (full name)
# 18Pelbagai pilihan
Low intake of water, will cause _________ in blood osmotic pressure. ______ ADH will be secreted into the blood. Collecting duct will be _______ permeable to H2O. _______ water will be reabsorbed.
increase : less: less: less
decrease : more : more : more
increase : more : more : more
decrease: less : less : less
# 19Pelbagai pilihan
High intake of water, will cause _________ in blood osmotic pressure. ______ ADH will be secreted into the blood. Collecting duct will be _______ permeable to H2O. _______ water will be reabsorbed.
decrease : more : more: more
decrease : less : less : more
increase : less : less : less
decrease : less : less : less
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