In which of these animals the ammnia formed by deamination of excess of amino acids is converted to urea:
A.Aminotelic animals
B.Ammonotelic animals
C.Ureotelic animals
D.None of these
Category: Excretion Physiology Mcqs
About which of the following percentages of filtrate is reabsorbed by epithelium of tubule in its proximal part:
A.30-40%
B.40-50%
C.65-80%
D.80-90%
Urea is obtained by dissociation of:
A.Ammonia
B.Fatty acids
C.Liver cells
D.Amino acids
Process of ultrafiltration occurs:
A.Within the glomerulus when blood from efferent renal arteriole passes through its capillaries
B.Within loop of Henle when the filtrate passes through it:
C.Jointly in both of these parts of the nephron
D.In none of the parts of the nephron
Besides urine formation which of these functions are also regulated by our kidneys:
A.Blood pH regulation
B.RBCs regulation
C.Blood pressure regulation
D.All of these
In glomerular filtrate the composition of fluid is:
A.Same as that of plasma
B.Same as plasma minus proteins
C.Same as plasma minus glucose
D.Same as plasma minus ions
Thin segment of the ascending limb of uriniferous tubule is:
A.Permeable to water
B.Impermeable to water
C.Semipermeable to water
D.None of these
More release of ADH in our body will:
A.Produce more amount of urine
B.Produce less amount of urine
C.First increased then decreased amount of urine
D.Have no effect on urine output
Hippuric acid excreted in rabbit’s urine is formed by combination of:
A.Benzoic acid in food with glycine
B.Ammonia with guanine
C.Deamination of amino acids
D.None of these
A large amount of plasma (about 20%) filters out through glomerular capillaries due to filtration pressure of :
A.5-10mm Hg
B.10-15mm Hg
C.40-45mm Hg
D.30-35mm Hg
