What is the earliest clinical sign of puberty in boys?
hoarseness of voice
enlargement of testes
appearance of axillary hair
change in body odor
Correct Answer :
B. enlargement of testes
it varies considerably, but usually, testicular enlargement is the first.
Related Questions
Which structure is a part of the renal hilum?
renal pelvis
branches of the renal artery
tributaries of renal vein
all of the above
Which of the prostate medications could result in retrograde ejaculation?
tamsulosin
doxazosin
dutasteride
alfuzosin
Which of the following is (are) direct branch(es) of the abdominal aorta?
median sacral artery
inferior phrenic arteries
gonadal arteries
all of the above
At which week of gestation do the primordial germ cells migrate to form the genital ridges?
third
fourth
fifth
seventh
What do the specialized cells, at the juxtaglomerular apparatus, produce?
erythropoietin
renin
angiotensin I
angiotensinogen
Which of the following does asymptomatic hematuria workup include?
cystoscopy
CT urography
urine cytology
all of the above
Where do Cowper`s gland ducts drain into?
ejaculatory ducts
prostatic urethra
membranous urethra
bulbous urethra
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
What is the number of bacteria per high-power field microscopy that matches colony counts of 100,000/mL?
100
50
10
5
What causes ureteral dilation during pregnancy is:
mechanical compression by the gravid uterus
physiological increase urine flow during pregnancy
elevated levels of progesterone
reflex inhibition of ureteral contractions
What causes Cushing`s disease is:
bilateral adrenal hyperplasia
pituitary over secretion of ACTH
exogenous administration of glucocorticoids
immune-mediated disease
At which type of renal tubular acidosis (RTA), typically, potassium levels increase?
type 1
type 2
type 3
type 4
What is the half-life of β-HCG?
5 7 days
24 36 hours
2 3 days
12 24 hours
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 of the following is false regarding Addison`s disease?
autoimmune disease in 70% of the cases
diagnosed by the rapid ACTH stimulation test
characterized by low serum sodium and high potassium
may coexist with hyperthyroidism and diabetes mellitus
What is the most frequent anomaly associated with multicystic renal dysplasia?
ureteral atresia
vesicoureteral reflux
ureteropelvic junction obstruction
ureteral duplication
Which statement is false concerning microhematuria?
malignancy is identified in patients presenting with microhematuria more than in patients presenting with gross hematuria
microscopic hematuria is defined as > 3 red blood cells per high powered field (RBC/hpf) on a single specimen
warrants full hematuria workup
history of cigarette smoking is of significance
Which of the prostate medications could result in significant hypotension?
finasteride
prazosin
silodosin
vardenafil
What is the narrowest part of the ureter?
uretero-pelvic junction
uretero-vesical junction
where ureters cross the pelvic brim
where ureters cross the common iliac bifurcation
Which of the following hormones, primarily, controls spermatogenesis?
GnRH
testosterone
LH
FSH
Which area in the nervous system is tested by bulbocavernosus reflex?
brain stem
C2 C4
S2 - S4
L2 - L4
Which of the following does NOT affect serum creatinine?
gender
age
obstructing stone at left lower ureter
rhabdomyolysis
Which microbe causes red diaper syndrome?
Serratia marcescens
Streptococcus pyogenes
Clostridium difficile
Staphylococcus saprophyticus
Which of the following mediates calcium reabsorption in the distal renal tubules?
aldosterone
hypocalcemia
parathyroid hormone
vitamin D
What are the abnormalities that might accompany complete ureteral duplications?
reflux to the upper pole ureter, obstruction to the lower pole ureter
reflux to the lower pole ureter, obstruction to the upper pole ureter
left ureteropelvic junction obstruction, right ureterocele
right ureteropelvic junction obstruction, left ureterocele
Which hormone measures testicular germ cell function best?
LH
FSH
HCG
none of the above
Which α- adrenergic receptor subtype mediates smooth muscle contraction of the prostate?
α1-A
α2-A
α1-B
α2-B
Which type of renal tubular acidosis (RTA) is more likely to form renal stones?
type 1
type 2
type 3
type 4
Serum testosterone should be measured:
at mid-day
at the hour of sleep
in the morning
late afternoon
What is false about purple urine bag syndrome?
occurs due to the interaction between the chemical components of the urine and polyvinyl chloride material in the urine bag
it is commonly symptomless
more common in female nursing home residents
commonly implicated bacteria are K. pneumoniae, P. mirabilis, E. coli