Which statement is false concerning the epididymis?
each epididymis can be palpable at the postero-lateral surface of the testis
has 3 parts; head, body, and tail
new batches of sperms stay in the epididymis around 2 days for maturation
shares the same blood supply of the testis
Correct Answer :
C. new batches of sperms stay in the epididymis around 2 days for maturation
new batches of sperms stay around 2 weeks for maturation.
Related Questions
Which of the following might cause sterile pyuria?
renal tuberculosis
urinary tract stones
interstitial cystitis
all of the above
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 area in the nervous system is tested by bulbocavernosus reflex?
brain stem
C2 C4
S2 - S4
L2 - L4
The commonest neoplasms that metastasize to kidneys come from:
breasts
thyroids
lungs
liver
Hematuria of glomerular origin is associated with:
significant proteinuria, dysmorphic RBCs, RBC casts
glycosuria, eumorphic RBCs, WBC casts
hypercalciuria, eumorphic RBCs, granular casts
proteinuria, dysmorphic RBCs, hyaline casts
What is the most significant innervation of the vas deferens?
sympathetic nervous system
parasympathetic nervous system
somatic nervous system
none of the above
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 nerve provides the major neural supply to the striated urinary sphincter and levator ani muscle?
somatic innervations
sympathetic fibers from T11 - L2
the pudendal nerve
the obturator nerve
Where is the centre of reflex erection located at?
the brain cortex
the sacral cord
the lumbar cord
the hypothalamus
The manifestations of autonomic dysreflexia include:
hypotension and tachycardia
hypotension and bradycardia
hypertension and tachycardia
hypertension and bradycardia
Which statement is NOT related to Klinefelter syndrome?
sterility is the rule
has a considerable short life span
treatment requires testicular microdissection and sperm extraction
47 XXY karyotype
Which organ contributes most to the seminal fluid volume?
testes
prostate
seminal vesicles
bulbourethral glands
What is the half-life of β-HCG?
5 7 days
24 36 hours
2 3 days
12 24 hours
Which of the prostate medications could result in retrograde ejaculation?
tamsulosin
doxazosin
dutasteride
alfuzosin
Which of the renal artery occlusive conditions, commonly, do NOT affect renal function?
intimal fibroplasia
medial fibroplasia
medial hyperplasia
serosal hyperplasia
In utero, which hormone stimulates the development of Wolffian ducts?
estradiol
DHT
FSH
testosterone
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
In which body tissue(s) are creatine and phosphocreatine converted to creatinine?
bone marrow
skeletal muscles
brown fat
liver
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
What is the best initial therapy for hyponatremic dehydration?
administration of hypertonic saline
administration of crystalloid
administration of normal saline
administration of ringer lactate
Which structure is a part of the renal hilum?
renal pelvis
branches of the renal artery
tributaries of renal vein
all of the above
What could cause autonomic dysreflexia?
full bladder or rectum
tooth extraction
hypertension medications
uncontrolled diabetes mellitus
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 lab results indicates prerenal failure?
serum BUN : creatinine > 20
urine [Na] < 30 mEq/L
Na excretion fraction < 1
all of the above
What is the number of bacteria per high-power field microscopy that matches colony counts of 100,000/mL?
100
50
10
5
Which statement explains the first event in the micturition reflex?
opening of internal bladder sphincter
fall in urethral pressure
rise in intravesical pressure
cessation of sphincter EMG activity
Regarding renal ectopia, usually, the adrenals:
are cross ectopic
are at their normal position
travel with the kidneys
undergo ischemic atrophy
Which α- adrenergic receptor subtype mediates smooth muscle contraction of the prostate?
α1-A
α2-A
α1-B
α2-B
Which of the following conditions could result in white urine?
chyluria
bacteriuria
phosphaturia
all of the above