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4

What is the creatinine clearance in ml/min for a 70 kg man aging 50 yrs. with 1.1 mg/dL serum creatinine?

A. 79.54

B. 44.19

C. 84.15

D. 94.25

Correct Answer :

A. 79.54


Cockroft-Gault formula is (140. (a)ge)X weight /(72 X serum creatinine).

Related Questions

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4

What is the most likely cause of large scrotal hematoma in neonates?

A. clotting factor VIII deficiency

B. clotting factor IX deficiency

C. breech delivery

D. scrotal cavernous haemangioma

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4

Which lab results indicate poor prognosis of male infertility?

A. azoospermia; normal FSH; increase LH

B. azoospermia; decrease FSH; normal LH

C. oligospermia; increase FSH; normal LH

D. oligospermia; normal FSH; decrease LH

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4

Beside renal excretion of sodium, what does atrial natriuretic hormone cause?

A. constriction of renal afferent arterioles

B. renin inhibition

C. aldosterone stimulation

D. rise in systemic blood pressure

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4

Which hormone measures testicular germ cell function best?

A. LH

B. FSH

C. HCG

D. none of the above

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4

Which of the following does NOT affect serum creatinine?

A. gender

B. age

C. obstructing stone at left lower ureter

D. rhabdomyolysis

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4

On tracing the IVU dye down, in a dilated ureter, the dilation stops at a level then continues as a normal calibre ureter. What could the pathology be?

A. lower ureteral stricture

B. ureteral valve

C. modified Lich-Gregoire ureteral reimplantation

D. residual dilation of hydroureter

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4

Renal blood flow is autoregulated by:

A. sympathetic nervous system

B. parasympathetic nervous system

C. urinary output

D. afferent arteriolar resistance

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4

Which type of urinary casts are solidified TammHorsfall mucoproteins secreted from the tubular epithelial cells of individual nephrons?

A. granular

B. hyaline

C. waxy

D. pigment

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4

What is the most significant complication of cyclosporine?

A. hepatic toxicity

B. renal toxicity

C. neural toxicity

D. cardiac toxicity

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4

Which statement regarding post-obstructive diuresis (POD) is false?

A. urine production exceeding 200 ml/hr for 2 consecutive hours or producing greater than 3 L of urine in 24 hours is diagnostic of POD

B. pathologic POD can be exacerbated by excessive fluid replacement

C. the replacement fluid choice is ringer lactate

D. fluid resuscitation depends on the degree of dehydration

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4

In males, which of the following structure(s) can NOT be palpated during digital rectal examination?

A. pelvic floor muscles

B. seminal vesicles

C. anterior surface of the sacrum

D. median lobe of the prostate

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4

What causes pink diaper syndrome is (are):

A. Staphylococcus epidermidis in the urine

B. dried urate crystals on the diaper

C. Adenovirus 11 in the urine

D. Candidiasis in the urine

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4

Where is the gene sex-determining region (SRY) located at?

A. long arm of X chromosome

B. long arm of Y chromosome

C. short arm of Y chromosome

D. short arm of X chromosome

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4

At which type of renal tubular acidosis (RTA), typically, potassium levels increase?

A. type 1

B. type 2

C. type 3

D. type 4

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4

Regarding multicystic kidneys, at what age does the compensatory renal growth end?

A. at birth

B. 2 years

C. at puberty

D. none of the above

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4

Which of the following might cause sterile pyuria?

A. renal tuberculosis

B. urinary tract stones

C. interstitial cystitis

D. all of the above

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4

Branches of what artery travel under the endopelvic fascia form the prostate to the sidewall of the pelvis?

A. obturator artery

B. midrectal artery

C. inferior vesical artery

D. pudendal artery

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4

Which zone of the prostate originates from the Wolffian duct tissue:

A. central zone

B. peripheral zone

C. transitional zone

D. periurethral glands

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4

Which α- adrenergic receptor subtype mediates smooth muscle contraction of the prostate?

A. α1-A

B. α2-A

C. α1-B

D. α2-B

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4

What is the most significant innervation of the vas deferens?

A. sympathetic nervous system

B. parasympathetic nervous system

C. somatic nervous system

D. none of the above

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4

Which statement is NOT related to Klinefelter syndrome?

A. sterility is the rule

B. has a considerable short life span

C. treatment requires testicular microdissection and sperm extraction

D. 47 XXY karyotype

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4

Which nephron segment contains the most diluted urine in central diabetes insipidus patient?

A. proximal convoluted tubules

B. distal convoluted tubules

C. collecting duct

D. loop of Henle

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4

Which type of renal stone crystals is known as coffin lid?

A. oxalate

B. struvite

C. urate

D. cystine

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4

What class of antibiotics might cause vestibular and/or auditory impairment?

A. aminoglycosides

B. αantipseudomonal penicillins

C. cephalosporins

D. fluoroquinolones

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4

Which innervations mediate detumescence?

A. cavernous nerves

B. dorsal nerves of the penis

C. sympathetic nervous system

D. parasympathetic nervous system

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4

Which of the following does NOT increase in prostate cancer?

A. human kallikrein 2

B. pro-PSA

C. free PSA

D. complexed PSA

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4

Adult size of bladder capacity is achieved at what age?

A. 5 6 yrs.

B. 7 8 yrs.

C. 9 10 yrs.

D. 11 12 yrs.

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4

What is the half-life of β-HCG?

A. 5 7 days

B. 24 36 hours

C. 2 3 days

D. 12 24 hours

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4

By which of the following structures, do the fused lower poles of hoarseshoe kidneys get trapped during embryologic ascent?

A. inferior mesenteric artery

B. superior mesenteric artery

C. celiac artery

D. common iliac artery

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4

Which part of the male urethra is the narrowest?

A. the membranous

B. the bladder neck

C. the bulbous

D. the external urethral meatus