What is the function of PSA in semen?
increases semen volume
has antimicrobial activity
liquefies the seminal coagulum
decreases semen pH
Correct Answer :
C. liquefies the seminal coagulum
PSA prolongs the liquefaction time of the ejaculate.
Related Questions
Which of the following does asymptomatic hematuria workup include?
cystoscopy
CT urography
urine cytology
all of the above
What is false about indinavir sulfate stones?
intratubular crystal formation might occur
CT cannot reliably confirm the presence of indinavir calculi
stone formation is demonstrated in 80% of patients taking the medication
is a protease inhibitor with poor solubility and significant urinary excretion
Renal blood flow is autoregulated by:
sympathetic nervous system
parasympathetic nervous system
urinary output
afferent arteriolar resistance
Which of the following does NOT increase in prostate cancer?
human kallikrein 2
pro-PSA
free PSA
complexed PSA
What type of renal tubular acidosis (RTA) does demonstrate aldosterone resistance?
type 1
type 2
type 3
type 4
Which of the following explains infertility in liver cirrhosis male patients?
decrease plasma estradiol levels
increase plasma testosterone-estradiol-binding globulin levels
suppression of suprarenal androgens
exaggerated pituitary response to feedback hormones
Which part of the prostate prevents the seminal fluid from entering the bladder during ejaculation?
central zone
peripheral zone
preprostatic tissue
anterior fibromuscular stroma
Which of the following diabetes mellitus treatments causes erectile dysfunction?
long-acting insulin
metformin
sulfonylurea
none of the above
Which of the prostate medications could result in retrograde ejaculation?
tamsulosin
doxazosin
dutasteride
alfuzosin
Which action of thigh muscles could be impaired if the obturator nerve was injured during endoscopic resection of bladder tumors?
adduction
abduction
flexion
extension
Which of the renal artery occlusive conditions, commonly, do NOT affect renal function?
intimal fibroplasia
medial fibroplasia
medial hyperplasia
serosal hyperplasia
Which of the following does NOT increase PSA value?
trauma to the prostate
digital rectal examination
urinary retention
prostatitis
Which of the following hormones, primarily, controls spermatogenesis?
GnRH
testosterone
LH
FSH
Which zone of the prostate originates from the Wolffian duct tissue:
central zone
peripheral zone
transitional zone
periurethral glands
What is the earliest clinical sign of puberty in boys?
hoarseness of voice
enlargement of testes
appearance of axillary hair
change in body odor
Which microbe causes red diaper syndrome?
Serratia marcescens
Streptococcus pyogenes
Clostridium difficile
Staphylococcus saprophyticus
The commonest neoplasms that metastasize to kidneys come from:
breasts
thyroids
lungs
liver
What is the half-life of β-HCG?
5 7 days
24 36 hours
2 3 days
12 24 hours
How many days does spermatogenesis take in the man?
16
32
64
90
Which drug does NOT result in urinary retention?
terazosin, antihypertensive
benzodiazepines, psychotropic medicine
levodopa, anti-Parkinsonism medicine
brimonidine, glaucoma eye drops
To which group of lymph nodes do tumors at the anterior superior area of the bladder, first, drain?
hypogastric
internal iliac
external iliac
lateral sacral
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
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
Which type of renal stone crystals is known as coffin lid?
oxalate
struvite
urate
cystine
Which of the following is NOT a part of the urogenital diaphragm structures?
perineal membrane
deep transverse perineal muscle
urethral sphincter
Camper`s fascia
What causes pink diaper syndrome is (are):
Staphylococcus epidermidis in the urine
dried urate crystals on the diaper
Adenovirus 11 in the urine
Candidiasis in the urine
How does estrogen prevent lower UTI in postmenopausal women?
increasing vaginal secretions
decreasing vaginal pH
increasing normal vaginal flora
decreasing bacterial adherence
What is the approximated bladder capacity of an 8 yrs. girl?
150 ml
200 ml
250 ml
300 ml
In which organelle in Leydig cell does testosterone synthesis take place?
ribosome
mitochondria
Golgi apparatus
endoplasmic reticulum
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