The lateral wall of the ischiorectal fossa is the;
Anonymous Quiz
3%
a- External anal sphincter
3%
b- Internal anal sphincter
94%
c- Obturator internus muscle.
0%
d- Obturator externus muscle
The ischiocavernosus muscle is found in the:
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0%
a- True pelvis
94%
b- Superficial perineal space
0%
c- Deep perineal space
6%
d- Ischiorectal fossa
During a difficult vaginal delivery, the doctor performed a median episiotomy and accidentally cut through the perineal body into the structure immediately posterior. which was this structure?
Anonymous Quiz
10%
a) Sphincter urethrae
80%
b) External anal sphincter
3%
c) Bulbospongiosus muscle
7%
d) Ischiocavernosus muscle
The perineal membrane forms the floor of
Anonymous Quiz
3%
a) Ischioanal fossa
5%
b) Rectovesical pouch
86%
c) Deep perineal pouch
5%
d) Superficial perineal pouch
The following occurs during spermiogenesis
Anonymous Quiz
88%
The anterior 2/3 of the sperm nucleus is covered by the acrosome
0%
Hydrolytic enzymes are formed in sER
0%
Mitochondria are not apparent in the sperm cell during this process
13%
The formed residual bodies are phagocytosed by macrophages
The mediastinum testis is the posterior thickening of
Anonymous Quiz
0%
Tunica vasculosa
6%
Scrotum
91%
Tunica albuginea
3%
Tunica vaginalis.
The testis is a
Anonymous Quiz
76%
Compound tubular gland
6%
Simple branched tubular gland
15%
Compound tubuloalveolar gland
3%
Simple coiled tubular gland
Spermatogonia are characterized by
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3%
Containing the haploid number of chromosomes
9%
Lying in the luminal compartment of the seminiferous tubules.
81%
Being of three types
6%
Lying in one layer only
During the Golgi phase of spermiogenesis
Anonymous Quiz
3%
Mitochondria aggregate below the neck
16%
Acrosomal cap spreads to cover the anterior 2/3 of nucleus
81%
Two centrioles migrate to the opposite pole of the spermatid
0%
Excess cytoplasm is pinched off
Spermiogenesis is the process by which
Anonymous Quiz
19%
Spermatogonia differentiate into spermatids
78%
Spermatids change into spermatozoa by metamorphosis
3%
Spermatogonia migrate to the primitive male gonads
0%
Spermatozoa are propelled towards the duct system.
The following characterizes acrosomal phase of spermiogenesis
Anonymous Quiz
0%
Migration of two centrioles
9%
Pinching off excess cytoplasm
13%
Acrosomal vesicle covers anterior 1/3 of nucleus.
78%
Mitochondria are arranged to form the middle piece segment.
6. In mechanism of metaplasia, the following is true:
Anonymous Quiz
8%
a) A neoplastic process that maintain the integrity of the basement membrane
13%
b) Results from change in the phenotype of an already differentiated cell type
71%
c) Results from reprogamming of stem cells known to exist in normal tissue
8%
d) Can occur physiological or pathological
7. The following are true regarding metaplasia except:
Anonymous Quiz
17%
a) Replacement of one mature differentiated cell type into another differentiated type
22%
b) An adaptive response to chronic injury
61%
c) Irreversible process
0%
d) Associated with increased risk of malignancy
9. Myositis ossificans is an example of
Anonymous Quiz
9%
a) squamous metaplasia
5%
b) columnar metaplasia
86%
c) mesenchymal metaplasia
0%
d) dysplasia
10. Which of the following is incorrect regarding leukoplakia:
Anonymous Quiz
27%
a) A precancerous lesion
0%
b) Develops in oral cavity, tongue or vulva due to chronic irritation
18%
c) Grows appears as irregular thick whitish patches
55%
d)Macroscopically appears as thickened dysplastic epithelium with subepithelial chronic inflammation