Anatomy Trivia

Question 1

Fat absorption and digestion site

Answer 1

Jejunum

Question 2

Sole abductor of vocal cords

Answer 2

Posterior cricoarytenoids

Question 3

Tensor of vocal folds

Answer 3

Cricothyroid

Question 4

Cavernous sinus

Answer 4

Direct: ICA and CN VI Lateral: CN III, IV, V1, V2 Connected: facial vein and inferior ophthalmic vein

Question 5

Longest and heaviest bone

Answer 5

Femur

Question 6

No muscle or tendinous attachments

Answer 6

Talus

Question 7

Longest metatarsal

Answer 7

2nd

Question 8

Chief thigh flexor

Answer 8

Iliopsoas (L1-L3)

Question 9

Referred pain from phrenic nerve

Answer 9

Supraclavicular n. (C3-4)

Question 10

Largest artery to the stomach

Answer 10

Left gastric (then right gastroepiploic)

Question 11

Longest muscle

Answer 11

Sartorius

Question 12

Most slender cranial nerve

Answer 12

Trochlear (CN IV)

Question 13

Kicking muscle

Answer 13

Rectus femoris

Question 14

Great extensor of leg

Answer 14

Quadratus femoris (L2-L4)

Question 15

Largest nerve in body

Answer 15

Sciatic nerve

Question 16

“Spring in the step”

Answer 16

Flexor hallucis longus

Question 17

Main artery of foot

Answer 17

Posterior tibial

Question 18

Main artery to toes

Answer 18

Dorsalis pedis

Question 19

No discs

Answer 19

C1, C2, Sacrum, coccyx

Question 20

Largest nutrient artery

Answer 20

Nutrient artery of tibia

Question 21

Cutaneous nerve that supplies the most skin

Answer 21

Posterior cutaneous nerve of the thigh

Question 22

Chief extensor of the vertebral column

Answer 22

Erector spinae (iliocostalis, longissimus, spinalis)

Question 23

“Capitis” muscle with no attachment to skull

Answer 23

Obliquus capitis inferior (inferior oblique)

Question 24

“Standing at ease”

Answer 24

Hamstrings (semitendinosus, semimembranosus, long head of biceps femoris)

Question 25

Leg compartment with no artery

Answer 25

Lateral

Question 26

Pelvic avascular planes

Answer 26

Lateral paravesical, lateral pararectal, retropubic (space of Retzius), vesicovaginal, rectovaginal, presacral

Question 27

Posterior compartment nerve

Answer 27

Tibial nerve

Question 28

Protects brachial plexus

Answer 28

Subclavius muscle

Question 29

Protects against humeral dislocation

Answer 29

Triceps

Question 30

Rotator cuff muscle that does not rotate shoulder

Answer 30

Supraspinatus (abducts the arm)

Question 31

Narrowest portion of small intestine

Answer 31

Terminal ileum (site of gallstone ileus)

Question 32

Origin of cystic artery (90%)

Answer 32

Right hepatic artery

Question 33

“Winged scapula”

Answer 33

Long thoracic nerve injury (Serratus anterior)

Question 34

First bone to ossify

Answer 34

Clavicle (also the last to finish ossification)

Question 35

Empties urethra after micturition/ejaculation

Answer 35

Bulbospongiosus

Question 36

Section of the gut with double blood supply

Answer 36

Duodenum

Question 37

Valveless

Answer 37

IVC, common iliacs, portal vein, cranial sinuses

Question 38

Vertebra with longest spinous process

Answer 38

C7 (not bifid)

Question 39

Vertebrae with transverse foramina

Answer 39

Cervical