Anatomy of the Sacrum Quiz

Explore the anatomy of the sacrum with these 17 questions covering its structure, function, and connections. Challenge yourself now!

#1

Which bone is connected to the sacrum?

Femur
Coccyx
Ilium
Radius
#2

What is the triangular-shaped bone located below the sacrum?

Coccyx
Ilium
Ischium
Pubis
#3

Which segment of the spine is the sacrum a part of?

Cervical spine
Thoracic spine
Lumbar spine
Pelvic spine
#4

Which part of the sacrum articulates with the coccyx?

Promontory
Coccygeal cornu
Foramina
Ala
#5

What is the function of the sacral promontory?

Articulates with the coccyx
Provides attachment for ligaments
Supports body weight
Allows passage of nerves
#6

How many vertebrae fuse to form the sacrum?

3
5
7
9
#7

Which part of the sacrum articulates with the hip bones?

Ala
Coccyx
Foramina
Promontory
#8

Which nerve runs along the sacrum and is responsible for lower limb function?

Sciatic nerve
Optic nerve
Vagus nerve
Facial nerve
#9

What is the scientific term for the joint between the sacrum and the ilium?

Sacroiliac joint
Hip joint
Knee joint
Ankle joint
#10

What is the function of the sacral foramina?

Allow passage of nerves and blood vessels
Aid in digestion
Support body weight
Secrete hormones
#11

Which muscle attaches to the sacrum and is involved in hip movement?

Biceps femoris
Gluteus maximus
Rectus abdominis
Deltoid
#12

What is the primary function of the sacrum?

Supporting body weight
Digestion
Vision
Respiration
#13

Which ligament attaches to the sacrum and helps stabilize the spine?

Round ligament
Sacrospinous ligament
Umbilical ligament
Pectoral ligament
#14

Which of the following is NOT a feature of the sacrum?

Sacral canal
Sacral hiatus
Sacral foramina
Lambdoid suture
#15

In embryonic development, what contributes to the formation of the sacrum?

Neural crest cells
Mesoderm
Endoderm
Ectoderm
#16

What is the term for the anterior surface of the sacrum that faces the pelvic cavity?

Ala
Promontory
Base
Coccyx
#17

Which artery supplies blood to the sacrum?

Femoral artery
Coronary artery
Sacral artery
Brachial artery

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