Which statement is false concerning the dipstick method for detecting hematuria?
depends on the ability of hemoglobin to oxidize a chromogen indicator
negative results need to be confirmed by microscopic examination
has a sensitivity of 95% and a specificity of 75%
the presence of many epithelial cells suggests skin or vaginal contamination
Correct Answer :
B. negative results need to be confirmed by microscopic examination
only positive results need to be confirmed by microscopic examination.
Related Questions
Which of the following process(es) is (are) reversible?
5α-reductase enzyme reduces testosterone to DHT
aromatase enzyme reduces testosterone to estrogen
PSA molecule binds to α1-antichymotrypsin and α2-macroglobulin
none of the above
Which of the following does NOT increase PSA value?
trauma to the prostate
digital rectal examination
urinary retention
prostatitis
What is the most likely diagnosis of an erectile dysfunction patient with low plasma testosterone and high prolactin levels?
pituitary adenoma
adrenal adenoma
Kallmann syndrome
Klinefelter syndrome
By which of the following structures, do the fused lower poles of hoarseshoe kidneys get trapped during embryologic ascent?
inferior mesenteric artery
superior mesenteric artery
celiac artery
common iliac artery
Which action of thigh muscles could be impaired if the obturator nerve was injured during endoscopic resection of bladder tumors?
adduction
abduction
flexion
extension
What vessels are located in the prostate neurovascular bundle?
Watson plexus
capsular arteries and veins
inferior vesical and midrectal vessels
Santorini plexus
What degrades semenogelin and determines the consistency of the seminal coagulum is:
spermine
acid phosphatase
PSA
semenoglobulin
What is the appropriate intravenous maintenance fluid for a 16 kg girl?
43 ml/hr of normal saline
78 ml/hr of ¼ normal saline
69 ml/hr of ½ normal saline
54 ml/hr of ¼ normal saline
What is false concerning coagulase splitting bacteria (Griess) test?
it is a reduction reaction that converts nitrate to nitrite
nitrazine reagent papers are used to elicit the reaction
it is false negative in diluted urine, on taking vitamin C, and in gram +ve bacteria
the reaction takes 4 minutes to complete
Regarding renal ectopia, usually, the adrenals:
are cross ectopic
are at their normal position
travel with the kidneys
undergo ischemic atrophy
During fluoroscopy, what is the main source of radiation hazards that urologists could be exposed to?
scattered radiation from the unleaded wall
scattered radiation from the patient
scattered radiation from the floor and ceiling
radiation from the primary beam
Which hormone measures testicular germ cell function best?
LH
FSH
HCG
none of the above
What helps in treating Candida albicans cystitis is:
sodium bicarbonate
phyto soya
ascorbic acid
sol palmetto
At which type of renal tubular acidosis (RTA), typically, potassium levels increase?
type 1
type 2
type 3
type 4
Which part of the male urethra is the narrowest?
the membranous
the bladder neck
the bulbous
the external urethral meatus
Which of the following is NOT a component of the normal semen?
zinc
fructose
prostate-specific antigen
alkaline phosphatase
Which type of urinary casts are solidified TammHorsfall mucoproteins secreted from the tubular epithelial cells of individual nephrons?
granular
hyaline
waxy
pigment
What class of antibiotics might cause vestibular and/or auditory impairment?
aminoglycosides
αantipseudomonal penicillins
cephalosporins
fluoroquinolones
Where is the centre of reflex erection located at?
the brain cortex
the sacral cord
the lumbar cord
the hypothalamus
At which week of gestation do the primordial germ cells migrate to form the genital ridges?
third
fourth
fifth
seventh
How long post bilateral orchiectomy, will patients be functionally castrated?
immediately
after 2 hrs.
after 12 hrs.
after 24 hrs.
The mature genitourinary system develops from all of the following embryonic sources, EXCEPT:
intermediate mesoderm
mesothelium of celomic cavity
endoderm of the urogenital sinus
somatic ectoderm
Which of the following does NOT increase in prostate cancer?
human kallikrein 2
pro-PSA
free PSA
complexed PSA
Which area in the nervous system is tested by bulbocavernosus reflex?
brain stem
C2 C4
S2 - S4
L2 - L4
Which artery is NOT a branch of the anterior division of internal iliac artery?
superior vesical artery
inferior vesical artery
superior gluteal artery
inferior gluteal artery
Adult size of bladder capacity is achieved at what age?
5 6 yrs.
7 8 yrs.
9 10 yrs.
11 12 yrs.
At which condition is alpha-fetoprotein most frequently elevated?
infiltrating ductal carcinoma of the breast
seminoma
hepatocellular carcinoma
malignant melanoma
Which type of renal tubular acidosis (RTA) is more likely to form renal stones?
type 1
type 2
type 3
type 4
At what month of intra-uterine life do testes descend into the scrotum with the aid of the intra-abdominal pressure and the gubernacula?
sixth
seventh
eighth
ninth
Which medicine(s) might enhance hypoprothrombinemic effect on oral anticoagulants?
allopurinol
aminoglycosides
cimetidine
all of the above