AP BIOLOGY

ANIMAL PHYSIOLOGY

EXCRETION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Components of human blood plasma which enter the Bowman’s capsule and form the glomerular filtrate are
A
urea, mineral salts, water glucose, fibrinogen.
B
urea, mineral salts, water, glucose, amino acid.
C
albumen. urea, mineral salts, water, glocose, amino acid.
D
urea, mineral salts, water, vitamin, amino acid, globulin.
Explanation: 

Detailed explanation-1: -Blood is finely filtered through the glomerulus and the filtrate that passes through the Bowman’s capsule is called the glomerular filtrate. Glomerular filtrate contains water, urea, glucose, salts, amino acids, etc. Blood cells and large protein molecules are not filtered by the glomerulus.

Detailed explanation-2: -Filterable blood components include water, nitrogenous waste, and nutrients that will be transferred into the glomerulus to form the glomerular filtrate. Non-filterable blood components include blood cells, albumins, and platelets, that will leave the glomerulus through the efferent arteriole.

Detailed explanation-3: -The glomerular filtrate contains urea, water, vitamins, fatty acids, water, glucose, nitrogen, salts, etc. The glomerular filtrate enters the nephrons for further filtration termed ultrafiltration.

Detailed explanation-4: -Glomerular filtration is a process of moving materials (water and solutes) under pressure (blood hydrostatic pressure) from the blood in the glomerular capillaries into Bowman’s capsule.

Detailed explanation-5: -The glomerular filtration assembly is composed of three main cellular barriers that are critical for the ultrafiltration process, the fenestrated endothelium, glomerular basement membrane and highly specialized podocytes.

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