2nd semester: Renal 6 Flashcards

Endocrine and micturition reflex

1
Q

Major step in urinary bladder emptying

A

contraction of detrusor muscles

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2
Q

Mainly responsible for initiating the micturition reflex

A

stretch from the posterior urethra

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3
Q

you would suspect a sensory denervation of the urinary bladder if the patient

A

unnoticingly urinates

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4
Q

Major source of non-volatile acids:

A

oxidation of proteins and amino acids

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5
Q

contraction of the detrusor muscles in urination is made possible by which of the following junctional complex?

A

Nexus

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6
Q

vitamin D is rendered active by hydroxylation at the 1st carbon atom at which part of the kidney tubule?

A

proximal tubule

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7
Q

Hydroxylation of calcifediol is made possible by the action of a hormone synthesized by the

A

parathyroid gland

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8
Q

dominant mechanism of urine acidification during chronic acidosis:

A

formation of ammonia

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9
Q

Aside from the kidneys, erythropoietin can be synthesized by which tissue/organ in oxygen scarcity?

A

Brain

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10
Q

Renin secretion increases, if there is an increase in:

A

Renal sympathetic discharge

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11
Q

Bicarbonate reabsorption in the distal tubule is primarily associated with:

A

potassium reabsorption and hydrogen secretion

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12
Q

In the renal tubules, bicarbonate ions are reabsorbed in the form of:

A

CO2

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13
Q

Sign of partially compensated respiratory alkalosis

A

decrease in plasma levels of bicarbonate

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14
Q

the pudendal nerve innervates the:

A

external bladder sphincter

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