Muscles Of The Pelvic Floor

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| By John Mitchell
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John Mitchell
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Quizzes Created: 100 | Total Attempts: 134,195
Questions: 30 | Attempts: 573

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Muscles Of The Pelvic Floor - Quiz

Welcome to the electronic frontier classroom of the 21st century. This testing instrument will concentrate on the muscular structures in the pelvic cavity. You can find additional learning tools at Mitchell's Cosmic Adventure. Com
You have an unlimited number of attempts to improve your grade and test-taking skills. Each attempt results in a new set of questions and answers!
Good Luck and do very well!


Questions and Answers
  • 1. 

    Which muscle has it's origin as "pubis and spine of ischium"?

    • A.

      Levator ani

    • B.

      Ischiocavernosus

    • C.

      Bulbospongiosus (male)

    • D.

      Sphincter urethrae

    • E.

      Deep transverse perinei

    Correct Answer
    A. Levator ani
    Explanation
    The muscle that has its origin as "pubis and spine of ischium" is the Levator ani.

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  • 2. 

    The insertion of the sphincter externus anii is the clitoris.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false. The insertion of the sphincter externus anii is not the clitoris. The sphincter externus ani is a muscle that surrounds the anus and helps control bowel movements. The clitoris, on the other hand, is a small organ located at the top of the vulva, and it plays a role in sexual pleasure. Therefore, the insertion of the sphincter externus ani and the clitoris are not related.

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  • 3. 

    What is the origin of the "sphincter externus anii"?  (Hint: please enter your answer using all lower case letters.)

    Correct Answer
    coccyx
    Explanation
    The sphincter externus anii originates from the coccyx.

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  • 4. 

    What is the function of the Ischiocavernosus for the male pelvic floor?  (Hint: Please enter your answers in all lower case letters.)

    Correct Answer
    compress base of penis
    Explanation
    The Ischiocavernosus muscle is responsible for compressing the base of the penis. This action helps to maintain an erection by trapping blood in the erectile tissue of the penis.

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  • 5. 

    What is the function of the female bulbospongiosus?

    • A.

      Constricts urethra and erects

    • B.

      Compress base of penis

    • C.

      Compress base of clitoris

    • D.

      Erects clitoris

    • E.

      Constricts urethra

    Correct Answer
    D. Erects clitoris
    Explanation
    The female bulbospongiosus muscle is responsible for erecting the clitoris. This muscle contracts and relaxes during sexual arousal, causing the clitoris to become engorged with blood and become erect. This increased blood flow to the clitoris enhances sexual pleasure and sensitivity.

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  • 6. 

    What is the origin of the sphincter urethrae in the female?

    • A.

      Constrict urethra

    • B.

      Compress base of penis

    • C.

      Pubic ramus

    • D.

      Ischium

    • E.

      Coccyx

    Correct Answer
    C. Pubic ramus
    Explanation
    The sphincter urethrae in females originates from the pubic ramus. This muscle is responsible for constricting the urethra and controlling the flow of urine. The other options listed, such as compressing the base of the penis or being located in the ischium or coccyx, are not relevant to the female anatomy. Therefore, the correct answer is pubic ramus.

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  • 7. 

    The sphincter externus anii serves to close the anal canal.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The sphincter externus anii is a muscle that surrounds the anal canal. Its main function is to close the anal canal, helping to control the passage of feces and prevent involuntary bowel movements. Therefore, the statement "The sphincter externus anii serves to close the anal canal" is true.

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  • 8. 

    The central tendon (median raphe) serves as the insertion for which muscles?  (HInt: this is a multiple answer question.)

    • A.

      Sphincter externus anii

    • B.

      Sphincter urethrae

    • C.

      Deep transverse perinei

    • D.

      Ischiocavernosus

    • E.

      Levator ani

    Correct Answer(s)
    A. Sphincter externus anii
    B. Sphincter urethrae
    C. Deep transverse perinei
    Explanation
    The central tendon (median raphe) serves as the insertion for the Sphincter externus anii, Sphincter urethrae, and Deep transverse perinei muscles. These muscles attach to the central tendon, which helps to support and control the functions of the anus, urethra, and perineum. The central tendon provides a stable and strong attachment point for these muscles to exert their actions and maintain proper function in the pelvic region.

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  • 9. 

    The bulbospongiosus of the female pelvic floor has the origin as "bulb of penis".

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The bulbospongiosus muscle is part of the female pelvic floor, not the male. In females, it originates from the perineal body, not the bulb of the penis. Therefore, the statement that the origin of the bulbospongiosus muscle is the "bulb of penis" is incorrect.

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  • 10. 

    What muscle constricts urethra and erects the penis?

    • A.

      Levator ani

    • B.

      Ischiocavernosus

    • C.

      Bulbospongiosus (female)

    • D.

      Bulbospongiosus (male)

    • E.

      Splenius

    Correct Answer
    D. Bulbospongiosus (male)
    Explanation
    The muscle that constricts the urethra and erects the penis is the Bulbospongiosus (male). This muscle is responsible for helping to maintain an erection by compressing the deep dorsal vein of the penis to prevent blood from flowing out, as well as constricting the urethra to control the flow of urine and semen. It is located in the perineum, surrounding the bulb of the penis, and plays a crucial role in sexual function in males.

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  • 11. 

    Name of muscle which provides support for the male pelvic floor.

    • A.

      Deep transverse perinei

    • B.

      Levator ani

    • C.

      Ischiocavernosus

    • D.

      Sphincter urethrae

    Correct Answer
    A. Deep transverse perinei
    Explanation
    The deep transverse perinei is a muscle that provides support for the male pelvic floor. It is located in the perineum, which is the area between the scrotum and the anus. This muscle helps to maintain the integrity and stability of the pelvic floor, which is important for various functions such as urinary and bowel control, as well as sexual function. By contracting and relaxing, the deep transverse perinei helps to support the pelvic organs and maintain proper pelvic floor function in males.

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  • 12. 

    Which anatomical structure is found in the female pelvic floor, but not the male?

    • A.

      Vagina

    • B.

      Deep transverse perinei

    • C.

      Sphincter externus anii

    • D.

      Ischiocavernosus

    • E.

      Urogenital triangle

    Correct Answer
    A. Vagina
    Explanation
    The vagina is the correct answer because it is a unique anatomical structure found in the female pelvic floor. It is a muscular canal that connects the uterus to the external genitalia and is responsible for receiving the penis during sexual intercourse and for childbirth. In males, the equivalent structure is the urethra, which serves as a passage for both urine and semen, but it is not found in the female pelvic floor. The other options listed are incorrect because they are either found in both males and females or not specific to the pelvic floor.

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  • 13. 

    What is the origin of the sphincter externus anii muscle?   (Hint: please enter your answer in all lower case letters.)

    Correct Answer
    coccyx
    Explanation
    The sphincter externus ani muscle originates from the coccyx.

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  • 14. 

    An anal triangle is found in both female and male pelvic floor.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The anal triangle is a region in the pelvic floor that contains the anus and associated structures. It is present in both males and females. Therefore, the statement that an anal triangle is found in both female and male pelvic floor is true.

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  • 15. 

    What is the insertion of the Levator ani? (Please enter answer in lower case letters.)

    Correct Answer
    coccyx
    Explanation
    The insertion of the Levator ani is the coccyx.

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  • 16. 

    Together with coccygeus muscles form floor of pelvic cavity and support pelvic organs is called a(n)_____.

    • A.

      Levator ani

    • B.

      Ischiocavernosus

    • C.

      Deep transverse perinei

    • D.

      Sphincter urethrae

    • E.

      Sphincter externus anii

    Correct Answer
    A. Levator ani
    Explanation
    The correct answer is Levator ani. The Levator ani muscles, together with the coccygeus muscles, form the floor of the pelvic cavity. These muscles provide support to the pelvic organs, such as the bladder, uterus, and rectum. They play a crucial role in maintaining continence and providing stability to the pelvic region.

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  • 17. 

    Which muscle close anal canal (male)?

    • A.

      Levator ani

    • B.

      Ischiocavernosus

    • C.

      Deep transverse perinei

    • D.

      Sphincter urethrae

    • E.

      Sphincter externus anii

    Correct Answer
    E. Sphincter externus anii
    Explanation
    The correct answer is Sphincter externus anii. The Sphincter externus anii is a muscle that surrounds the anus and helps in closing the anal canal. It is responsible for maintaining continence and preventing involuntary release of feces. The other muscles mentioned in the options, such as Levator ani, Ischiocavernosus, Deep transverse perinei, and Sphincter urethrae, are not specifically involved in closing the anal canal.

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  • 18. 

    Which muscle close anal canal (female)?

    • A.

      Levator ani

    • B.

      Ischiocavernosus

    • C.

      Deep transverse perinei

    • D.

      Sphincter urethrae

    • E.

      Sphincter externus anii

    Correct Answer
    E. Sphincter externus anii
    Explanation
    The sphincter externus ani is the correct answer because it is the muscle that closes the anal canal in both males and females. This muscle is responsible for controlling the opening and closing of the anus, allowing for voluntary control over bowel movements. The other muscles listed in the options do not specifically close the anal canal.

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  • 19. 

    Which muscle has an the pubic ramus as the origin for males?

    • A.

      Levator ani

    • B.

      Ischiocavernosus

    • C.

      Deep transverse perinei

    • D.

      Sphincter urethrae

    • E.

      Sphincter externus anii

    Correct Answer
    D. Sphincter urethrae
    Explanation
    The sphincter urethrae is the correct answer because it originates from the pubic ramus in males. The pubic ramus is a part of the pelvic bone, and the sphincter urethrae is a muscle that surrounds the urethra. Its main function is to control the flow of urine by contracting and relaxing.

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  • 20. 

    Which muscle has an the pubic ramus as the origin for females?

    • A.

      Levator ani

    • B.

      Ischiocavernosus

    • C.

      Deep transverse perinei

    • D.

      Sphincter urethrae

    • E.

      Sphincter externus anii

    Correct Answer
    D. Sphincter urethrae
    Explanation
    The sphincter urethrae muscle is the correct answer because it originates from the pubic ramus in females. The pubic ramus is a part of the pelvis bone, and the sphincter urethrae muscle is responsible for controlling the opening and closing of the urethra, which is the tube that carries urine out of the body.

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  • 21. 

    Which muscle has the ischium as an origin for males?

    • A.

      Levator ani

    • B.

      Ischiocavernosus

    • C.

      Deep transverse perinei

    • D.

      Sphincter urethrae

    • E.

      Sphincter externus anii

    Correct Answer
    B. Ischiocavernosus
    Explanation
    The ischiocavernosus muscle is the correct answer because it originates from the ischium, which is a bone in the pelvis. This muscle is responsible for maintaining an erection in males by compressing the blood vessels that drain blood from the penis. It also helps to stabilize the erect penis during sexual activity.

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  • 22. 

    Which muscle has the ischium as an origin for females?

    • A.

      Levator ani

    • B.

      Ischiocavernosus

    • C.

      Deep transverse perinei

    • D.

      Sphincter urethrae

    • E.

      Sphincter externus anii

    Correct Answer
    B. Ischiocavernosus
    Explanation
    The ischiocavernosus muscle is a muscle located in the pelvic region. It is responsible for maintaining an erection in males and aiding in clitoral erection in females. The ischium, which is one of the bones in the pelvis, serves as the origin or attachment point for the ischiocavernosus muscle. Therefore, the ischiocavernosus muscle has the ischium as an origin in females.

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  • 23. 

    Which muscle compress the base of the clitoris?

    • A.

      Levator ani

    • B.

      Ischiocavernosus

    • C.

      Deep transverse perinei

    • D.

      Sphincter urethrae

    • E.

      Sphincter externus anii

    Correct Answer
    B. Ischiocavernosus
    Explanation
    The ischiocavernosus muscle is responsible for compressing the base of the clitoris. This muscle is located in the pelvic floor and helps to maintain an erection in males and engorge the clitoris in females. It works by contracting and increasing the blood flow to the clitoral area, enhancing sexual arousal and pleasure.

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  • 24. 

    Which muscle compress the base of the penis?

    • A.

      Levator ani

    • B.

      Ischiocavernosus

    • C.

      Deep transverse perinei

    • D.

      Sphincter urethrae

    • E.

      Sphincter externus anii

    Correct Answer
    B. Ischiocavernosus
    Explanation
    The ischiocavernosus muscle is responsible for compressing the base of the penis. This muscle is located in the pelvic region and helps to maintain an erection by trapping blood in the erectile tissues of the penis. When this muscle contracts, it puts pressure on the base of the penis, restricting blood flow and helping to maintain rigidity.

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  • 25. 

    Which muscle has the bulb of penis as the origin?

    • A.

      Levator ani

    • B.

      Ischiocavernosus

    • C.

      Deep transverse perinei

    • D.

      Sphincter urethrae

    • E.

      Sphincter externus anii

    • F.

      Bulbospongiosus (Male)

    • G.

      Bulbospongiosus (Female)

    Correct Answer
    F. Bulbospongiosus (Male)
    Explanation
    The bulbospongiosus muscle is responsible for the movement and rigidity of the penis during erection. It originates from the bulb of the penis in males. This muscle helps to propel semen during ejaculation and also aids in the emptying of the urethra.

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  • 26. 

    Given the muscle Ischiocavernosus and it's origin ischium. What is the insertion if the patient is a male? (Please enter your answer in lower case letters.)

    Correct Answer
    penis
    Explanation
    The muscle Ischiocavernosus originates from the ischium bone. In males, its insertion is the penis. The Ischiocavernosus muscle helps in maintaining an erection by compressing the veins that drain blood from the penis, thus trapping blood within the erectile tissue.

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  • 27. 

    Given the muscle Ischiocavernosus and it's origin ischium. What is the insertion if the patient is a female? (Please enter your answer in lower case letters.)

    Correct Answer
    clitoris
    Explanation
    The muscle Ischiocavernosus originates from the ischium bone. In females, the insertion of this muscle is the clitoris. The Ischiocavernosus muscle helps in maintaining an erection in males, while in females, it aids in clitoral erection and sexual arousal.

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  • 28. 

    Only males have an unogenital triangle.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    This statement is false. Both males and females have an unogenital triangle. The unogenital triangle is the area between the legs where the genitals are located. It includes the external genitalia, such as the penis in males and the vulva in females. Therefore, it is incorrect to say that only males have an unogenital triangle.

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  • 29. 

    The terminal portion of the canal is surrounded by the _____, which regulates defecation.

    • A.

      Levator ani

    • B.

      External anal sphincter

    • C.

      Deep transverse perinei

    • D.

      Sphincter urethrae

    • E.

      Sphincter externus anii

    • F.

      Bulbospongiosus (Male)

    • G.

      Bulbospongiosus (Female)

    Correct Answer
    B. External anal sphincter
    Explanation
    The external anal sphincter is the correct answer because it surrounds the terminal portion of the canal and is responsible for regulating defecation. It is a voluntary muscle that can be consciously controlled to open or close the anus, allowing for the passage of feces or preventing it. The levator ani is a group of muscles that support the pelvic organs, the deep transverse perinei is involved in stabilizing the pelvic floor, and the sphincter urethrae is responsible for controlling the flow of urine. The bulbo-spongiosus muscles are involved in sexual function and do not regulate defecation.

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  • 30. 

    Constriction of muscles called a(n)_____, which encircle the urethra in both sexes, help to control the flow or urine.

    • A.

      Levator ani

    • B.

      External anal sphincter

    • C.

      Deep transverse perinei

    • D.

      Sphincter urethrae

    • E.

      Sphincter externus anii

    • F.

      Bulbospongiosus (Male)

    • G.

      Bulbospongiosus (Female)

    Correct Answer
    D. Sphincter urethrae
    Explanation
    The correct answer is Sphincter urethrae. The muscles called Sphincter urethrae encircle the urethra in both sexes and help to control the flow of urine.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 16, 2013
    Quiz Created by
    John Mitchell

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