61.
External sphincter of male urethra in human being is found in
A
Penile urethra
B
Membranous part
C
Prostatic part
D
External urethral orifice.
Answer :
Membranous part
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62.
Which of the following is metabolic waste of protein metabolism
A
NH3, urea and CO2
B
Urea, oxygen and N2
C
Urea , ammonia and alanine
D
Urea ammonia and creatinine
Answer :
NH3, urea and CO2
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63.
Which one of the following blood vessel in mammals contains least amount of urea
A
Hepatic portal vein
B
Hepatic vein
C
Dorsal aorta
D
Renal vein
Answer :
Renal vein
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64.
ADH controls water permeability of
A
Collecting tube (distal part)
B
Proximal convoluted tuble
C
Distal convoluted tuble (distal part)
D
All of the above
Answer :
Distal convoluted tuble (distal part)
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65.
Which of the following is not a function of kidneys
A
Regulation of blood pressue
B
Removal of urea
C
Regulation of acidity of fluids
D
Secretion of antibiotics
Answer :
Secretion of antibiotics
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66.
The principal nitrogenous excretory compound in humans is synthesised
A
in kidneys but eliminated mostly through liver
B
in kidneys as well as eliminated by kidneys
C
in liver and also eliminated by the same through bile
D
in the liver, but eliminated mostly through kidneys
Answer :
in the liver, but eliminated mostly through kidneys
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67.
Ornithine cycle was discovered by
A
Kreb and kornberg
B
Hans kreb
C
Kreb and Henseleit
D
O2 concentration increases
Answer :
Kreb and Henseleit
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68.
Pyramids in kidney of man are
A
4
B
6
C
7
D
12
Answer :
12
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69.
One of the following is impermeable to H2O normally
A
PCT
B
DCT
C
Descending limb
D
All of the above
Answer :
DCT
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70.
Blood dialysis is called
A
Artificial lung
B
Artificial kidney
C
Artificial heart
D
Artificial brain
Answer :
Artificial kidney
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