The rectosigmoid junction lies anterior to which of the following structures?
The rectosigmoid junction lies anterior to the S3 vertebra
Which of the following parts of the male urethra is the widest and most dilatable?
The prostatic urethra is the widest and most dilatable part of the male urethra
Which of the following nerves provides parasympathetic innervation to the ovaries?
The parasympathetic fibers in the ovarian plexus are derived from the vagus nerve
The pudendal canal is a space within which of the following structures?
The pudendal canal is a space within the obturator fascia, which covers the medial aspect of the obturator internus and lines the lateral wall of the ischioanal fossa
Which of the following parts of the uterus protrudes into the uppermost vagina?
Only the cylindrical, narrow inferior part of the uterus known as the cervix protrudes into the uppermost vagina
The posterior fornix is the deepest part of which of the following structures?
The posterior fornix is the deepest part of the vagina and is closely related to the rectouterine pouch. The vaginal fornix is the recessaround the cervix and is described as having anterior, posterior, and lateral parts
The distal end of the ovary connects to the lateral wall of the pelvis by which of the following structures?
The distal end of the ovary connects to the lateral wall of the pelvis by the suspensory ligament of the ovary. The ligament conveys the ovarian vessels, lymphatics, and nerves to and from the ovary and constitutes the lateral part of the mesovarium of the broad ligament. The ovary also attaches to the uterus by the ligament of the ovary
The perineal body is the site of convergence of all of the following muscles EXCEPT
The bulbospongiosus, external anal sphincter, and superficial and deep transverse perineal muscles converge at the site of the perineal body
The paraurethral glands open into which of the following structures?
The paraurethral glands are homologues to the prostate. They have common paraurethral ducts, which open, one on each side, near the external urethral orifice
All of the following osseofibrous structures mark the boundaries of the perineum EXCEPT
A transverse line joining the anterior ends of the ischial tuberosities divides the perineum into two triangles. The anal triangle, containing the anus, is posterior to this line. The urogenital triangle, containing the root of the scrotum and penis in males and the external genitalia in females is anterior to this line
Which of the following structures opens into the prostatic sinus?
The internal surface of the posterior wall of the prostatic urethra has a median ridge known as the urethral crest. A groove on each side, known as the prostatic sinus, receives the prostatic ductules. A rounded eminence located in the middle of the median ridge is known as the seminal colliculus. The prostatic utricle is an embryonic remnant of the uterus and part of the vagina. The ejaculatory ducts open beside the prostatic utricle
In males, the superficial perineal pouch contains which of the following structures?
The following structures are found in the superficial perineal space: the root of the penis and its associated muscles, the ischiocavernous and bulbospongiosus. The proximal part of the spongy urethra, superficial transverse perineal muscles, internal pudendal vessels, and branches of the pudendal nerve are also located in the superficial perineal space
All of the following statements concerning the uterus are correct EXCEPT
The uterus is a thick-walled, pear-shaped muscular organ whose body lies between the layers of the broad ligament. In the adult, the uterus is usually anteverted and anteflexed; its position changes with the degree of fullness of the bladder and rectum
All of the following statements concerning the ductus deferens are correct EXCEPT
The ductus deferens begins in the tail of the epididymis and ascends in the spermatic cord. It passes through the inguinal canal and enters the pelvis. It ends by joining the duct of the seminal vesicle to form the ejaculatory duct. It descends medial to the ureter and seminal vesicle
The rounded vaginal part of the cervix extends into the vagina and communicates with it through which of the following structures?
The rounded vaginal part of the cervix extends into the vagina and communicates with it through the external os. The cervical canal is broadest at its middle part and communicates with the uterine cavity through the internal os and with the vagina through the external os
All of the following statements concerning the seminal vesicles are correct EXCEPT
Ducts of the bulbourethral glands empty into the urethra. The seminal vesicles are elongated structures that lie between the fundus of the bladder and the rectum, and they do not store sperm. They secrete a thick, alkaline fluid that mixes with the sperm as they pass into the ejaculatory ducts to the urethra. The superior ends of the seminal vesicles are covered with peritoneum and lie posterior to the ureters, where the rectovesical pouch separates them from the rectum. The inferior ends of the seminal vesicle are separated from the rectum by the rectovesical septum
Laterally, the peritoneum of the broad ligament is prolonged superiorly over the ovarian vessels as which of the following structures?
Laterally, the peritoneum of the broad ligament is prolonged superiorly over the vessels as the suspensory ligament of the ovary. The part of the broad ligament by which the ovary is suspended is the mesovarium. The part of the broad ligament forming the mesentery of the uterine tube is the mesosalpinx. The major part of the broad ligament, the mesentery of the uterus, or mesometrium, is below the mesosalpinx and mesovarium
In females, the deep perineal pouch contains which of the following structures?
In females, the deep perineal pouch contains the proximal part of the urethra, the external urethral sphincter muscle, the deep transverse perineal muscles, and related vessels and nerves
The oocytes expelled from the ovaries usually are fertilized in which of the following areas of the uterine tubes?
The ampulla is the widest and longest part of the uterine tubes. It begins at the medial end of the infundibulum. Oocytes expelled from the ovaries are usually fertilized in the ampulla
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