Which organ contributes most to the seminal fluid volume?
testes
prostate
seminal vesicles
bulbourethral glands
Correct Answer :
C. seminal vesicles
seminal vesicles form about of the semen volume.
Related Questions
Which of the following contributes second to the seminal fluid by volume?
seminal vesicles
the prostate
testes
bulbourethral glands
What is false concerning the collecting system structures of a typical kidney?
the renal pelvis could be intra or extra renal
the renal pelvis divides into 2 or 3 major calyces
major calyces divide into 2 or 3 minor calyces
unlike lateral calyces, polar calyces are often paired
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?
lower ureteral stricture
ureteral valve
modified Lich-Gregoire ureteral reimplantation
residual dilation of hydroureter
The commonest neoplasms that metastasize to kidneys come from:
breasts
thyroids
lungs
liver
What type of renal tubular acidosis (RTA) does demonstrate aldosterone resistance?
type 1
type 2
type 3
type 4
What is the approximated bladder capacity of an 8 yrs. girl?
150 ml
200 ml
250 ml
300 ml
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
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
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
In utero, which hormone stimulates the development of Wolffian ducts?
estradiol
DHT
FSH
testosterone
Which drug does NOT result in urinary retention?
terazosin, antihypertensive
benzodiazepines, psychotropic medicine
levodopa, anti-Parkinsonism medicine
brimonidine, glaucoma eye drops
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 earliest clinical sign of puberty in boys?
hoarseness of voice
enlargement of testes
appearance of axillary hair
change in body odor
In males, which of the following structure(s) can NOT be palpated during digital rectal examination?
pelvic floor muscles
seminal vesicles
anterior surface of the sacrum
median lobe of the prostate
What do the specialized cells, at the juxtaglomerular apparatus, produce?
erythropoietin
renin
angiotensin I
angiotensinogen
How can hyperuricosuria cause calcium oxalate calculi?
by increasing oxalate absorption
by heterogeneous nucleation
by inducing hyperoxaluria
by reducing urate crystals saturation
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
Which period of intrauterine life does the process of organ formation (organogenesis) take place?
9 12 weeks
12 15 weeks
15 18 weeks
18 21 weeks
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
What is the number of bacteria per high-power field microscopy that matches colony counts of 100,000/mL?
100
50
10
5
Which anomaly might accompany horseshoe kidneys?
ureteropelvic junction obstruction
ureterocele
ureteral reflux
ureteral atresia
Which of the prostate medications could result in significant hypotension?
finasteride
prazosin
silodosin
vardenafil
What antibiotic could result in red man syndrome?
vancomycin
clindamycin
streptomycin
tobramycin
Which antibiotic is the best to treat soft tissue infection with methicillin-resistant Staphylococcus aureus (MRSA) in hospitalized patients?
vancomycin
cefotaxime
penicillin G
tobramycin
Which area in the nervous system is tested by bulbocavernosus reflex?
brain stem
C2 C4
S2 - S4
L2 - L4
In which body tissue(s) are creatine and phosphocreatine converted to creatinine?
bone marrow
skeletal muscles
brown fat
liver
Which agent should be avoided during living-related donor nephrectomy?
ice slush
heparin
norepinephrine
methylene blue
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 causes pure testicular feminization is:
over estrogen synthesis
defective end-organ androgen response
extra X chromosome (XXY)
failure of genital ridge regression
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