Pre-Lab Saurderland

Question 1

Anteriorposterior compresssion of pelvis

Answer 1

pelvic fracture

Question 2

Fracture of all four pubic rami

Answer 2

straddle injury

Question 3

If you fracture pubic rami what will you be fracturing?

Answer 3

ischiopubic ramus and superior pubic ramus

Question 4

Forces transmitted from lower limbs to pelvis (fall on feet) can result in a fracture in area of (blank)

Answer 4

Acetablum (head of femur dislocates and pushes into the joint resulting in fracture)

Question 5

Pelvic fracture can result in what?

Answer 5

trauma to bladder

Question 6

What can a fracture of inferior pubic ramus cause?

Answer 6

injury to deep perineal space in UG triangle and damage to urethra/vagina

Question 7

What can a fracture of pubic rami cause?

Answer 7

injury to urethra/ torn urethra/ bladder and prostate separates, extravasion of urine, retroperitoneal hemorrhage

Question 8

anal glands will drain into (blank)

Answer 8

anal crypts

Question 9

What are these;
blind internal (sinus)
complete internal
external (intrasphincteric and transsphincteric)
branching (complex)
horshoes

Answer 9

types of anorectal fisulae

Question 10

What are these:

• ***Supralevator
• retrorectal,
• pelvirectal
• submucous
• **Intfralevator;
• ishiorectal.
• intermuscular
• subcutaneous
• Cutaneous

Answer 10

Location of anorectal abscesses

Question 11

What do you call it when in abscess when one side spreads to the other side?

Answer 11

perineal horseshoe abscess (usually posterior)

Question 12

When you are starved, what are the last fat reserves that will be used?

Answer 12

ischioanal fossa

Question 13

What happens if you lose the fat of the ischioanal fossa?

Answer 13

you will have rectal prolapse

Question 14

What is a procidentia?

Answer 14

when all layers of the rectum prolapse

Question 15

What does the Internal rectal (hemorrhoidal) plexus

drain to?

Answer 15

To tributaries of the superior rectal vein
to inferior mesenteric vein
to portal vein

Question 16

What does the external rectal (hemorrhoidal) plexus drain to?

Answer 16

To inferior rectal vein
to internal pudendal vein
to internal iliac vein
to common iliac vein
to inferior vena cava

Question 17

(blank) are prolapses of rectal mucosa,

Resulting from a breakdown of the muscularis mucosae. These are not painful.

Answer 17

Internal Hemorrhoids

Question 18

(blank) that prolapse into or through
the anal canal are often compressed by the
contracted sphincter ani, impeding the blood flow. As a result, they tend to strangulate and ulcerate.”

Answer 18

Internal Hemorrhoids

Question 19

(blank) are thromboses (blood clots) in the veins of the external rectal venous plexus.

Answer 19

External hemorrhoids

Question 20

(blank) are covered by skin. The skin over the

these is painful because it is supplied by somatic sensory fibers of the inferior anal nerves .

Answer 20

external hemorrhoids