Home Medical QuizzesAnatomy Quizzes [Anatomy] The Pelvis and Perineum Quizzes – Part 1 (20 questions)

[Anatomy] The Pelvis and Perineum Quizzes – Part 1 (20 questions)

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The Pelvis and Perineum Quizzes 1

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All of the following statements concerning the pelvic cavity are correct EXCEPT

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The superior boundary of the pelvic cavity is the pelvic inlet. The pelvis is limited inferiorly by the pelvic outlet, which is closed by the musculofascial pelvic diaphragm and bounded posteriorly by the coccyx and anteriorly by the pubic symphysis

All of the following bones contribute to the formation of the pelvic cavity EXCEPT

Correct! Wrong!

The pelvic girdle is formed by the hip (ischium, pubis, and ilium) bones and the sacrum

Which of the following structures is located between the ischial spine and the ischial tuberosity?

Correct! Wrong!

The concavity between the ischial spine and the ischial tuberosity is the lesser sciatic notch. The larger concavity, the greater sciatic notch, is superior to the ischial spine and is formed in part by the ilium

The lateral part of the superior ramus of the pubis forms which of the following structures?

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The pubis is an angulated bone with a superior ramus that helps to form the acetabulum and an inferior ramus that helps to form the obturator foramen. A thickening on the anterior part of the body of the pubis is the pubic crest, which ends laterally as a prominent bump, the pubic tubercle. The lateral part of the superior ramus has an oblique ridge known as the pecten pubis or pectineal line of the pubis

All of the following structures provide boundaries for the pelvic inlet EXCEPT

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The pelvic inlet is bounded by the superior margin of the pubic symphysis anteriorly, posterior border of the pubic crest, pecten pubis, arcuate line of the ilium, anterior border of the ala of the sacrum, and the sacral promontory

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When a person is in the anatomical position, which of the following structures lie in the same vertical plane?

Correct! Wrong!

When a person is in the anatomical position, the anterior superior iliac spines and the anterior aspect of the pubic symphysis lie in the same vertical plane

Weak areas of the pelvis include all of the following EXCEPT

Correct! Wrong!

Weak areas of the pelvis include the pubic rami, acetabula, sacroiliac joint, and alae of the ilium

The pelvic floor is formed by all of the following muscles EXCEPT

Correct! Wrong!

The piriformis muscles cover the posterolateral wall of the pelvis. The pelvic floor is formed by the funnel-shaped pelvic diaphragm, which consists of the levator ani and coccygeus. The levator ani includes the pubococcygeus, puborectalis, and iliococcygeus

Which of the following muscles covers and pads the lateral pelvic wall?

Correct! Wrong!

The bony framework of the lateral pelvic walls is formed by the hip bones and the obturator foramen, which is closed by the obturator membrane. The obturator internus muscles cover and thus pad most of the lateral pelvic walls

All of the following statements concerning the sciatic nerve are correct EXCEPT

Correct! Wrong!

The two main nerves of the sacral plexus include the sciatic and pudendal. The sciatic nerve is the largest and broadest nerve in the body. It is formed by the ventral rami of L4-S3, which converge on the anterior surface of the piriformis. The sciatic nerve usually passes through the greater sciatic foramen, inferior to the piriformis, to enter the gluteal region

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All of the following statements concerning the pudendal nerve are correct EXCEPT

Correct! Wrong!

The pudendal nerve is derived from the anterior divisions of the ventral rami of S2 through S4. It accompanies the internal pudendal artery and leaves the pelvis through the greater sciatic foramen between the piriformis and coccygeus muscles. It is the main nerve of the perineum and the chief sensory nerve of the external genitalia

Which of the following nerves exits the pelvis through the greater sciatic foramen, superior to the piriformis?

Correct! Wrong!

The superior gluteal nerve arises from the posterior divisions of the ventral rami of L4 through S1 and leaves the pelvis through the greater sciatic foramen, superior to the piriformis

Which of the following statements concerning the sacral sympathetic trunks is correct?

Correct! Wrong!

The sacral sympathetic trunks descend posterior to the rectum in the extraperitoneal connective tissue and send gray rami communicantes to each of the ventral rami of the sacral and coccygeal nerves. Each of the sacral trunks is smaller than the lumbar trunks and usually has four sympathetic ganglia

The inferior hypogastric plexus receives fibers from which of the following nerves?

Correct! Wrong!

The pelvic splanchnic nerves merge with the hypogastric nerves to form the inferior hypogastric (and pelvic) plexuses.

All of the following arteries enter the true pelvis EXCEPT

Correct! Wrong!

Four main arteries enter the lesser or true pelvis. The internal iliac and ovarian arteries are paired, and the median sacral and superior rectal arteries are unpaired. The testicular artery does not enter the true pelvis, as it follows the testes through the inguinal canal into the scrotum

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Which of the following arteries is considered to be the artery of the pelvis?

Correct! Wrong!

The internal iliac artery is the artery of the pelvis; however, it does supply branches to the buttocks, thighs, and the perineum

Which of the following arteries arises from the anterior division of the internal iliac?

Correct! Wrong!

The superior gluteal and iliolumbar arteries arise from the posterior division of the internal iliac arteries. The gonadal arteries arise from the abdominal aorta and the superior rectal arteries from the inferior mesenteric artery. The umbilical, obturator, uterine, vaginal, internal pudendal, and inferior gluteal arteries arise from the anterior division of the internal iliac arteries

All of the following statements concerning the ureters are correct EXCEPT

Correct! Wrong!

The ureters are muscular tubes, 25 to 30 cm long, that connect the kidneys to the urinary bladder. They are retroperitoneal, with their superior halves in the abdomen and their inferior halves in the pelvis. The pelvic part of the ureters begins where it crosses the bifurcation of the common iliac artery

The uvula of the bladder is located in which of the following locations?

Correct! Wrong!

The uvula of the bladder is a slight projection of the trigone of the bladder. It is usually more prominent in older men

Parasympathetic fibers to the bladder are derived from which of the following nerves?

Correct! Wrong!

Parasympathetic fibers to the bladder are derived from the pelvic splanchnic nerves. They are motor to the detrusor muscle and inhibitory to the internal sphincter. Sympathetic fibers to the bladder are derived from T11 through L2

[Anatomy] The Pelvis and Perineum Quizzes – Part 1 (20 questions)
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1. All of the following statements concerning the pelvic cavity are correct EXCEPT
(A) It is bounded posteriorly by the coccyx.
(B) It is bounded anteriorly by the pubic symphysis.
(C) The pelvic inlet forms the superior boundary.
(D) The pelvic outlet forms the inferior boundary.
(E) The musculofascial pelvic diaphragm closes the pelvic inlet.
2. All of the following bones contribute to the formation of the pelvic cavity EXCEPT
(A) ischium
(B) pelvis
(C) pubis
(D) coccyx
(E) sacrum
3. Which of the following structures is located between the ischial spine and the ischial tuberosity?
(A) obturator foramen
(B) lesser sciatic notch
(C) acetabular notch
(D) pubic arch
(E) arcuate line
4. The lateral part of the superior ramus of the pubis forms which of the following structures?
(A) iliopubic eminence
(B) pubic tubercle
(C) pecten pubis
(D) anterior inferior iliac spine
(E) acetabulum
5. All of the following structures provide boundaries for the pelvic inlet EXCEPT
(A) inferior ramus of the pubis
(B) sacral promontory
(C) anterior border of the ala of the sacrum
(D) arcuate line of the ilium
(E) pecten pubis
6. When a person is in the anatomical position, which of the following structures lie in the
same vertical plane?
(A) sacral promontory and pubic tubercles
(B) anterior superior iliac spines and the anterior aspect of the pubic symphysis
(C) posterior superior iliac spines and the posterior aspect of the ischial tuberosity
(D) ischial spines and the posterior border of the obturator foramen
(E) superior pubic rami and the greater sciatic notch
7. Weak areas of the pelvis include all of the following EXCEPT
(A) ischial tuberosities
(B) alae of the ilium
(C) pubic rami
(D) sacroiliac joint
(E) acetabula
8. The pelvic floor is formed by all of the following muscles EXCEPT
(A) pubococcygeus
(B) coccygeus
(C) piriformis
(D) puborectalis
(E) iliococcygeus
9. Which of the following muscles covers and pads the lateral pelvic wall?
(A) obturator internus
(B) piriformis
(C) pubococcygeus
(D) iliococcygeus
(E) ischiococcygeus
10. All of the following statements concerning the sciatic nerve are correct EXCEPT
(A) It is the largest and broadest nerve in the body.
(B) It is formed by the dorsal rami of L4 to S3.
(C) It passes through the greater sciatic foramen.
(D) It exits the pelvis inferior to the piriformis muscle.
(E) It is one of the two main nerves of the sacral plexus.
11. All of the following statements concerning the pudendal nerve are correct EXCEPT
(A) It is derived from the anterior divisions of the ventral rami of S2 through S4.
(B) It accompanies the internal pudendal artery.
(C) It leaves the pelvis through the greater sciatic foramen.

(D) It leaves the pelvis through the greater sciatic foramen inferior to the piriformis and coccygeus muscles.
(E) It is the chief sensory nerve of the external genitalia.

12. Which of the following nerves exits the pelvis through the greater sciatic foramen, superior to the piriformis?
(A) sciatic
(B) pudendal
(C) superior gluteal
(D) lumbosacral trunk
(E) obturator
13. Which of the following statements concerning the sacral sympathetic trunks is correct?
(A) Usually has four sympathetic ganglia.
(B) Descends on the pelvic surface of the ischium.
(C) Ends as the dorsal nerve of the penis or clitoris.
(D) Passes through the obturator canal.
(E) Pierces the sacrotuberous ligament
14. The inferior hypogastric plexus receives fibers from which of the following nerves?
(A) pudendal and obturator
(B) sciatic and superior gluteal
(C) inferior gluteal and lumbosacral
(D) pelvic splanchnic and hypogastric
(E) sacral sympathetic and obturator
15. All of the following arteries enter the true pelvis EXCEPT
(A) internal iliac
(B) median sacral
(C) superior rectal
(D) ovarian
(E) testicular
16. Which of the following arteries is considered to be the artery of the pelvis?
(A) obturator
(B) pudendal

(C) uterine
(D) internal iliac
(E) sacral

17. Which of the following arteries arises from the anterior division of the internal iliac?
(A) superior rectal
(B) iliolumbar
(C) superior gluteal
(D) gonadal
(E) obturator
18. All of the following statements concerning the ureters are correct EXCEPT
(A) They are retroperitoneal.
(B) They cross the pelvic brim anterior to the bifurcation of the common iliac arteries.
(C) They are fibrous tubes connecting the kidneys to the urinary bladder.
(D) Their superior halves lie in the abdomen and the inferior halves lie in the pelvis.
(E) Their oblique passage through the bladder wall forms a one-way “flap valve.”
19. The uvula of the bladder is located in which of the following locations?
(A) retropubic space
(B) trigone of the bladder
(C) apex of the bladder
(D) fundus of the bladder
(E) pubovesical ligament
20. Parasympathetic fibers to the bladder are derived from which of the following nerves?
(A) pelvic splanchnic
(B) greater splanchnic
(C) T11-L2
(D) superior hypogastric plexus
(E) sacral plexus

 

 

 

 

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[Anatomy] The Pelvis and Perineum Quizzes – Part 3 (20 questions) - MedQuizzes September 22, 2018 - 2:10 pm

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[Anatomy] The Pelvis and Perineum Quizzes – Part 4 (20 questions) - MedQuizzes September 22, 2018 - 4:21 pm

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[Anatomy] The Pelvis and Perineum Quizzes – Part 5 (20 questions) - MedQuizzes September 23, 2018 - 8:44 am

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