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
Correct Answer :
A. 9 12 weeks
organogenesis occurs between 9 to 12 weeks of gestational age.
Related Questions
Which layer lies between the superficial and deep inguinal lymph nodes?
Scarpa`s fascia
fascia lata
Dartos fascia
Camper`s fascia
How many days does spermatogenesis take in the man?
16
32
64
90
Which area in the nervous system is tested by bulbocavernosus reflex?
brain stem
C2 C4
S2 - S4
L2 - L4
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
Which of the following diabetes mellitus treatments causes erectile dysfunction?
long-acting insulin
metformin
sulfonylurea
none of the above
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
Which artery is NOT a branch of the anterior division of internal iliac artery?
superior vesical artery
inferior vesical artery
superior gluteal artery
inferior gluteal artery
Which type of renal stone crystals is known as coffin lid?
oxalate
struvite
urate
cystine
Which of the following is false regarding zona glomeruloza?
the most superficial layer of the adrenal cortex
responses to increased potassium levels, renin or decreased renal blood flow
it causes pheochromocytoma
secretes aldosterone
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
In utero, which hormone stimulates the development of Wolffian ducts?
estradiol
DHT
FSH
testosterone
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
Which part of the prostate is traversed by the ejaculatory duct:
central zone
peripheral zone
transitional zone
fibromuscular stroma
Bacterial resistance to antibiotics may occur because of:
inherited chromosomal-mediated resistance
acquired chromosomal-mediated resistance
extrachromosomal-mediated resistance
all of the above
All of the following develop from the mesonephric ducts, EXCEPT:
vas deferens
seminal vesicles
appendix epididymis
appendix testis
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
Branches of what artery travel under the endopelvic fascia form the prostate to the sidewall of the pelvis?
obturator artery
midrectal artery
inferior vesical artery
pudendal artery
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
Which class of the following agents does NOT impair spermatogenesis?
alkylating agents
phenothiazines
antiandrogens
prostaglandins
Which of the following conditions could result in white urine?
chyluria
bacteriuria
phosphaturia
all of the above
What vessels are located in the prostate neurovascular bundle?
Watson plexus
capsular arteries and veins
inferior vesical and midrectal vessels
Santorini plexus
Which of the following does NOT increase in prostate cancer?
human kallikrein 2
pro-PSA
free PSA
complexed PSA
Which microbe causes red diaper syndrome?
Serratia marcescens
Streptococcus pyogenes
Clostridium difficile
Staphylococcus saprophyticus
By which of the following structures, do the fused lower poles of hoarseshoe kidneys get trapped during embryologic ascent?
inferior mesenteric artery
superior mesenteric artery
celiac artery
common iliac artery
The commonest neoplasms that metastasize to kidneys come from:
breasts
thyroids
lungs
liver
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 antibiotic is the best to treat soft tissue infection with methicillin-resistant Staphylococcus aureus (MRSA) in hospitalized patients?
vancomycin
cefotaxime
penicillin G
tobramycin
What increases blood volume and pressure in corpora cavernosa during erection is:
increase in sympathetic discharge
contraction of ischiocavernosa and bulbocavernosa muscles
increase arterial flow and closure of emissary veins
shunting of blood from the dorsal to the central cavernosal artery
What causes Cushing`s disease is:
bilateral adrenal hyperplasia
pituitary over secretion of ACTH
exogenous administration of glucocorticoids
immune-mediated disease
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