Anatomy of the Pelvic Cavity Quiz

Test your knowledge of pelvic cavity anatomy with these 18 questions covering bones, muscles, ligaments, nerves, and blood supply.

#1

Which of the following bones forms the anterior boundary of the pelvic cavity?

Femur
Sacrum
Coccyx
Pubic symphysis
#2

Which ligament provides support to the uterus and helps maintain its anteverted position?

Broad ligament
Round ligament
Suspensory ligament
Uterosacral ligament
#3

Which of the following structures is NOT located within the pelvic cavity?

Bladder
Rectum
Kidneys
Uterus
#4

Which ligament attaches the ovary to the lateral pelvic wall?

Broad ligament
Ovarian ligament
Round ligament
Suspensory ligament
#5

The sacral plexus is formed by the ventral rami of which spinal nerves?

L1-L3
L4-S4
T12-L2
S2-S4
#6

Which muscle is primarily responsible for maintaining urinary continence?

Piriformis
Levator ani
Psoas major
Quadratus lumborum
#7

Which muscle forms the floor of the pelvic cavity?

Piriformis
Levator ani
Psoas major
Quadratus lumborum
#8

What is the primary function of the rectus abdominis muscle in the pelvic cavity?

Flexes the thigh
Stabilizes the pelvis
Supports abdominal viscera
Rotates the trunk
#9

Which nerve innervates the majority of the muscles in the pelvic floor?

Femoral nerve
Sciatic nerve
Pudendal nerve
Obturator nerve
#10

The sacral promontory is formed by which part of the sacrum?

Ala
Base
Apex
Anterior surface
#11

Which of the following is NOT a function of the pelvic floor muscles?

Support pelvic organs
Assist in childbirth
Regulate urination
Facilitate digestion
#12

What is the primary function of the pudendal nerve in the pelvic cavity?

Sensory innervation of external genitalia
Motor innervation of pelvic floor muscles
Autonomic control of bladder
Innervation of rectum
#13

Which artery supplies blood to the majority of the pelvic viscera and pelvic walls?

Internal iliac artery
External iliac artery
Inferior mesenteric artery
Femoral artery
#14

Which of the following is NOT a function of the pelvic diaphragm?

Support pelvic viscera
Control defecation
Assist in respiration
Maintain urinary continence
#15

What is the function of the obturator internus muscle in the pelvic cavity?

Abducts the thigh
Flexes the thigh
Externally rotates the thigh
Adducts the thigh
#16

Which ligament attaches the cervix to the pelvic wall?

Broad ligament
Ovarian ligament
Round ligament
Uterosacral ligament
#17

The levator ani muscle is composed of which two parts?

Puborectalis and pubococcygeus
Pubococcygeus and ischiococcygeus
Puborectalis and iliococcygeus
Iliococcygeus and pubococcygeus
#18

The pelvic splanchnic nerves are responsible for which function in the pelvic cavity?

Sympathetic innervation
Parasympathetic innervation
Motor innervation
Sensory innervation

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