Supporting Structures Of The Female Pelvis/ Pelvic Muscles

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| By Agambino
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Quizzes Created: 19 | Total Attempts: 14,076
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Muscle Quizzes & Trivia

A woman's pelvic floor muscles work like a hammock to support the pelvic organs, including the uterus, bladder and rectum. Kegel exercises can help strengthen these muscles. Test your knowledge on this subject by taking this quiz.


Questions and Answers
  • 1. 

    Sonographically, pelvic muscles have a similar appearance  to                   and may even be confused as                  .

    Explanation
    Sonographically, pelvic muscles can have a similar appearance to ovaries and masses. This means that when viewing an ultrasound image, the pelvic muscles may resemble the shape and texture of ovaries or masses, leading to potential confusion or misinterpretation. It is important for medical professionals to carefully differentiate between these structures to accurately diagnose any abnormalities or conditions.

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  • 2. 

    The muscles of the female pelvis are divided into what 2 groups:

    Explanation
    The muscles of the female pelvis are categorized into two groups: the pelvic wall muscles and the pelvic diaphragm/floor muscles. The pelvic wall muscles refer to the muscles that line the walls of the pelvis, providing support and stability. On the other hand, the pelvic diaphragm/floor muscles are located at the bottom of the pelvis and play a crucial role in supporting the pelvic organs, controlling urinary and fecal continence, and facilitating childbirth.

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  • 3. 

    This muscle lies alongside the bony pelvic wall, lateral to the ovaries.  It functions to rotate the thigh outward.  Name this muscle:

    Explanation
    The muscle that lies alongside the bony pelvic wall, lateral to the ovaries, and functions to rotate the thigh outward is called the obturator internus.

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  • 4. 

    The obturator internus is difficult to visualize sonographically, but is usually seen at the level of the cervix in a sagittal view as a fan shaped structure on the medial wall.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    seen in a transverse view/ on the lateral wall

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  • 5. 

    This muscle originates from the sacrum and courses laterally through the greater sciatic foramen on the greater trochanter of the femur.

    Correct Answer
    piriformis
    Explanation
    The muscle that originates from the sacrum and courses laterally through the greater sciatic foramen on the greater trochanter of the femur is called the piriformis.

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  • 6. 

    Check all the apply to the piriformis muscle:

    • A.

      Triangular muscle

    • B.

      Thigh muscle

    • C.

      May be confused with the ovary

    • D.

      Obscurred by overlying bowel gas in the sigmoid colon

    • E.

      Medial rotator of hip

    Correct Answer(s)
    A. Triangular muscle
    B. Thigh muscle
    C. May be confused with the ovary
    D. Obscurred by overlying bowel gas in the sigmoid colon
    Explanation
    lateral* rotator of hip

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  • 7. 

    Which muscles is not exclusively a pelvic muscle and extends through the abdominal region as well?

    Correct Answer(s)
    psoas
    Explanation
    The psoas muscle is not exclusively a pelvic muscle and extends through the abdominal region as well. It is a deep muscle that originates in the lumbar spine and runs down through the pelvis, attaching to the femur. It plays a role in both hip flexion and stabilization of the lumbar spine. Due to its location and function, the psoas muscle is involved in various movements and activities, such as walking, running, and maintaining proper posture.

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  • 8. 

    Below level of                 crest, fibers of the              muscle interconnect with fibers of the              aspect of the iliacus muscle, creating the                       muscle.

    Correct Answer(s)
    iliac, psoas, medial, iliopsoas
    Explanation
    The fibers of the muscle below the level of the crest interconnect with the fibers of the iliacus muscle, forming the iliopsoas muscle. The iliopsoas muscle is composed of the iliac and psoas muscles, and it is located medially.

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  • 9. 

    Which muscle is seen as a "bulls eye" on a transabdominal transverse scan?

    Correct Answer(s)
    psoas
    psoas muscle
    Explanation
    The psoas muscle is seen as a "bulls eye" on a transabdominal transverse scan. This is because the psoas muscle appears as a round structure with a central hypoechoic (dark) area surrounded by a hyperechoic (bright) rim, resembling the target-like pattern of a bull's eye.

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  • 10. 

    The pelvic diaphragm supports pelvic                 and forms the                                  .

    Correct Answer(s)
    viscera, pelvic floor
    Explanation
    The pelvic diaphragm supports the pelvic viscera and forms the pelvic floor.

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  • 11. 

    The pelvic diaphragm is made up of the levator ani and the coccygeus muscles.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The pelvic diaphragm is a group of muscles that forms the floor of the pelvic cavity. It consists of two main muscles, the levator ani and the coccygeus muscles. These muscles play a crucial role in supporting the pelvic organs and maintaining continence. Therefore, the statement that the pelvic diaphragm is made up of the levator ani and the coccygeus muscles is true.

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  • 12. 

    Which muscles form the levator ani?

    • A.

      Iliococcygeus

    • B.

      Pubococcygeus

    • C.

      Iliopsoas

    • D.

      Puborectalis

    Correct Answer(s)
    A. Iliococcygeus
    B. Pubococcygeus
    D. Puborectalis
    Explanation
    The levator ani is a group of muscles that form the pelvic floor. It consists of the iliococcygeus, pubococcygeus, and puborectalis muscles. These muscles play a crucial role in supporting the pelvic organs and maintaining continence. The iliococcygeus muscle extends from the ischial spine to the coccyx, while the pubococcygeus muscle runs from the pubic bone to the coccyx. The puborectalis muscle forms a sling-like structure around the rectum. Together, these muscles help control the opening and closing of the anus and provide support to the pelvic organs.

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  • 13. 

    Levator ani is known as a                  muscle mass, which forms a                    across the floor of the pelvis and supports the                  and                 organs.

    Correct Answer(s)
    tripart, hammock, rectum, pelvic
    Explanation
    The levator ani is a muscle mass that forms a tripart hammock across the floor of the pelvis and supports the rectum and pelvic organs.

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  • 14. 

    What happens if the levator ani muscles fail to function properly?

    Correct Answer(s)
    prolapse of pelvic organs
    Explanation
    If the levator ani muscles fail to function properly, it can lead to the prolapse of pelvic organs. The levator ani muscles are responsible for supporting the pelvic organs, including the bladder, uterus, and rectum. When these muscles weaken or become damaged, the organs may descend or protrude into the vaginal canal or even outside the body. This can cause symptoms such as pelvic pressure, urinary incontinence, difficulty with bowel movements, and discomfort during sexual intercourse. Treatment options for prolapse of pelvic organs may include pelvic floor exercises, pessaries, or surgery, depending on the severity of the condition.

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  • 15. 

    Name the muscles of the levator ani, in order from posterior to anterior:

    Correct Answer(s)
    iliococcygeus, pubococcygeus, puborectalis
    Explanation
    The correct order of the muscles of the levator ani from posterior to anterior is iliococcygeus, pubococcygeus, and puborectalis. The iliococcygeus muscle is the most posterior, followed by the pubococcygeus muscle, and finally the puborectalis muscle, which is the most anterior. These muscles form a hammock-like structure in the pelvic floor and are responsible for supporting the pelvic organs and maintaining continence.

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  • 16. 

    Which muscle supports the coccyx and is a muscle of the pelvic diaphragm?

    Correct Answer(s)
    coccygeus
    coccygeus muscle
    Explanation
    The muscle that supports the coccyx and is a muscle of the pelvic diaphragm is called the coccygeus muscle. This muscle is located in the pelvic region and helps to support and stabilize the coccyx, which is the small triangular bone at the base of the spine. The coccygeus muscle plays an important role in maintaining proper posture and providing support to the pelvic organs.

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  • 17. 

    The bony pelvis of the adult female is a ring made up of the:

    Correct Answer(s)
    sacrum, coccyx, innominate bones
    Explanation
    The bony pelvis of the adult female is composed of the sacrum, coccyx, and innominate bones. The sacrum is a triangular bone located at the base of the spine, formed by the fusion of five vertebrae. The coccyx, also known as the tailbone, is a small bone located at the end of the vertebral column. The innominate bones, also called the hip bones, are large bones that make up the sides and front of the pelvis. Together, these bones form a ring-shaped structure that provides support and protection for the pelvic organs.

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  • 18. 

    2 large innominate bones are formed by the fusion of what 3 bones:

    Correct Answer(s)
    ilium, ischium, pubis
    Explanation
    The correct answer is ilium, ischium, and pubis. These three bones fuse together to form the large innominate bones. The ilium is the largest and most superior bone, forming the upper part of the hip bone. The ischium is the posterior and inferior bone, forming the lower part of the hip bone. The pubis is the anterior and inferior bone, forming the front part of the hip bone. Together, these three bones provide stability and support to the pelvis and play a crucial role in walking and weight-bearing activities.

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  • 19. 

    The socket for the femoral head is known as                      

    Correct Answer(s)
    acetabulum
    Explanation
    The socket for the femoral head is called the acetabulum. The acetabulum is a cup-shaped structure in the pelvis that forms the hip joint. It is located on the lateral side of the pelvis and articulates with the femoral head to allow for smooth movement and stability of the hip joint.

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  • 20. 

    The ilium, ischium, and pubis fuse together at the                  

    Correct Answer(s)
    acetabulum
    Explanation
    The ilium, ischium, and pubis are three bones that make up the pelvis. These bones fuse together at a specific point called the acetabulum. The acetabulum is a cup-shaped socket located on the lateral side of the pelvis, where the head of the femur (thigh bone) articulates. This joint is known as the hip joint and allows for movement and stability of the lower limb.

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  • 21. 

    The innominate bones are joined together posteriorly at the                     and anteriorly at midline at the                                   .

    Correct Answer(s)
    sacrum, pubic symphysis
    Explanation
    The innominate bones are joined together posteriorly at the sacrum and anteriorly at midline at the pubic symphysis. The sacrum is a large triangular bone at the base of the spine, formed by the fusion of five vertebrae. The pubic symphysis is a cartilaginous joint between the pubic bones, located in the front of the pelvis. These two points of connection allow the innominate bones to form the pelvic girdle, providing stability and support for the lower limbs and organs of the pelvis.

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  • 22. 

    Modified segments of the vertebral column are:

    Correct Answer(s)
    sacrum and coccyx
    sacrum, coccyx
    Explanation
    The modified segments of the vertebral column are the sacrum and coccyx. These segments are located at the bottom of the vertebral column and are formed by the fusion of several vertebrae. The sacrum is made up of five fused vertebrae and connects the spine to the hip bones, providing stability to the pelvis. The coccyx, also known as the tailbone, is formed by the fusion of four small vertebrae and serves as an attachment site for various muscles and ligaments.

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  • 23. 

    The                      forms the outer surface of the innominate bone.

    Correct Answer(s)
    acetabulum
    Explanation
    The acetabulum forms the outer surface of the innominate bone. The acetabulum is a cup-shaped socket located on the lateral side of the innominate bone, which is part of the pelvis. It is where the head of the femur (thigh bone) articulates, forming the hip joint. The acetabulum is a crucial component of the pelvis, providing stability and support for the lower body during weight-bearing activities.

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  • 24. 

    The sacrum is the fusion of        (#) sacral vertebrae.

    Correct Answer(s)
    5
    Explanation
    The sacrum is formed by the fusion of 5 sacral vertebrae.

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  • 25. 

    The coccyx is the fusion of        (#) coccygeal vertebrae and provides attachment for               muscles and ligaments.

    Correct Answer(s)
    4, pelvic
    Explanation
    The coccyx is the fusion of coccygeal vertebrae and provides attachment for muscles and ligaments. The term "pelvic" is used to describe the area of the body that includes the coccyx, so option 4, pelvic, is the correct answer.

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  • 26. 

    The sacrococcygeal region permits free motion.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    little or no motion

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  • 27. 

    Check all that apply to the functions of the bony pelvis:

    • A.

      Protects reproductive organs

    • B.

      Directs pathway for fetal head during childbirth

    • C.

      Provides support of female reproductive organs

    Correct Answer(s)
    A. Protects reproductive organs
    B. Directs pathway for fetal head during childbirth
    C. Provides support of female reproductive organs
    Explanation
    The bony pelvis serves multiple functions. It protects the reproductive organs, such as the uterus, ovaries, and bladder, from external trauma. It also directs the pathway for the fetal head during childbirth, ensuring a safe passage for the baby. Additionally, the bony pelvis provides support for the female reproductive organs, helping to maintain their proper position and function.

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  • 28. 

    The male pelvis is shorter and wider than the female.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    female

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Quiz Review Timeline +

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

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 01, 2010
    Quiz Created by
    Agambino
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