What causes pure testicular feminization is:
over estrogen synthesis
defective end-organ androgen response
extra X chromosome (XXY)
failure of genital ridge regression
Correct Answer :
B. defective end-organ androgen response
testicular feminization (XY) is an extreme form of pseudohermaphroditism due to a defect in end-organ androgen synthesis as an androgen insensitivity syndrome.
Related Questions
What is true regarding hematospermia?
should be investigated thoroughly like hematuria
is rarely associated with significant urologic pathology
carries a risk of infertility
mandates testicular biopsy
Which of the following is NOT a side effect of hydrochlorothiazide?
hypercholesterolemia
hyperuricemia
hypoglycemia
hypercalcemia
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
Which lab results indicate poor prognosis of male infertility?
azoospermia; normal FSH; increase LH
azoospermia; decrease FSH; normal LH
oligospermia; increase FSH; normal LH
oligospermia; normal FSH; decrease LH
What is the function of PSA in semen?
increases semen volume
has antimicrobial activity
liquefies the seminal coagulum
decreases semen pH
What could render red urine workup, false positive for hematuria?
dehydration
myoglobinuria
high doses of vitamin C
all of the above
What is the nerve supply of the adrenal gland?
sympathetic to the medulla
parasympathetic to the medulla
sympathetic to the cortex
parasympathetic to the cortex
What is the most frequent anomaly associated with multicystic renal dysplasia?
ureteral atresia
vesicoureteral reflux
ureteropelvic junction obstruction
ureteral duplication
Regarding renal ectopia, usually, the adrenals:
are cross ectopic
are at their normal position
travel with the kidneys
undergo ischemic atrophy
Which of the following mediates calcium reabsorption in the distal renal tubules?
aldosterone
hypocalcemia
parathyroid hormone
vitamin D
What could cause autonomic dysreflexia?
full bladder or rectum
tooth extraction
hypertension medications
uncontrolled diabetes mellitus
In utero, which hormone stimulates the development of the prostate gland?
estradiol
DHT
FSH
testosterone
How can hyperuricosuria cause calcium oxalate calculi?
by increasing oxalate absorption
by heterogeneous nucleation
by inducing hyperoxaluria
by reducing urate crystals saturation
What is the half-life of β-HCG?
5 7 days
24 36 hours
2 3 days
12 24 hours
What does apoptosis mean?
programmed cell death
new vascular formation
uninhibited neural stimulation
premature muscular contraction
Beside renal excretion of sodium, what does atrial natriuretic hormone cause?
constriction of renal afferent arterioles
renin inhibition
aldosterone stimulation
rise in systemic blood pressure
What does make UTI more common in mid-aged females than in males?
short female urethra
pregnancy
vaginal colonization with enterobacteria
all the above
What is false concerning the urinary bladder anatomy?
as it distends, it peels off the peritoneum from the abdominal wall
the interureteric ridge is located between the 2 ureteric orifices and the uvula vesicae
Waldeyer`s sheath covers only the distal ureter and forms the deep trigone
in adults, it is percussible over the abdomen when contains at least 150 ml
Which nephron segment contains the most diluted urine in central diabetes insipidus patient?
proximal convoluted tubules
distal convoluted tubules
collecting duct
loop of Henle
Which microbe causes red diaper syndrome?
Serratia marcescens
Streptococcus pyogenes
Clostridium difficile
Staphylococcus saprophyticus
Which of the following is NOT related to von Hippel-Lindau disease?
retinal hemangioblastoma
ureteral atresia
pheochromocytomas
multiple cysts in the pancreas and kidneys
Which organism is capable of proliferation in the urine and causing urethritis?
Ureaplasma urealyticum
Chlamydia trachomatis
E. coli
Neisseria gonorrhea
Which statement is false concerning smegma?
it is the white secretion produced under the foreskin in males
it has a crucial role in penile cancer development
it contains lysozymes, chymotrypsin, neutrophil elastase and cytokines
female smegma can be found between the labia
Which statement is false concerning capacitation of spermatozoa?
occurs after acrosome reaction
entails removal of a glycoprotein layer
it is a biochemical event of sperm maturation
changes occur in the female genital tract
Where is Santorini plexus located?
at either side of the prostate
in the pubo-prostatic space
anterior to the seminal vesicles
posterior to the vaso-epididymal junction
What is the most likely cause of large scrotal hematoma in neonates?
clotting factor VIII deficiency
clotting factor IX deficiency
breech delivery
scrotal cavernous haemangioma
How does estrogen prevent lower UTI in postmenopausal women?
increasing vaginal secretions
decreasing vaginal pH
increasing normal vaginal flora
decreasing bacterial adherence
Which of the following does NOT increase PSA value?
trauma to the prostate
digital rectal examination
urinary retention
prostatitis
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
In utero, which hormone stimulates the development of Wolffian ducts?
estradiol
DHT
FSH
testosterone