CH 23: anus, rectum, prostate Flashcards
Internal anal sphincters are under ___ control by ____ nervous system
involuntary
autonomic
Anal columns are folds of mucosa that extend from rectum and end in ________
anorectal junction aka dentate line
Prostate gland lies in front of ____ and behind _____.
Function?
has two lobes separated by groove called_____
lies in front of anterior rectal wall
lies behind symphysis pubis
Function: secretes alkaline fluid to boost sperm viability
lobes are separated by median sulcus
Seminal vesicles secrete fluid rich in ____ which functions to ________
fructose
-nourish sperm, contains prostaglandins
constipation is defined by ___ or fewer stools per week
3
define dyschezia
pain with defecation
clay-coloured stool indicates _____
absence of bile salts eg obstructive jaundice
Soluble fibre will lower ______
Insoluble fibre will lower ______
Soluble (eg beans, prunes, broccoli) lower cholesterol
Insoluble (bran, cereal) lower risk for colon cancer
Benign prostate hypertrophy
signs and symptoms
S: urinary frequency, urgency, hesitancy, straining, weak stream, incomplete emptying, nocturia
O: symmetrical nontender enlargement
smooth, rubbery and firm
Prostatitis
signs and symptoms
S: fever, chills, urinary frequency and urgency, dysuria, urethral discharge. Pain in perineal and rectal area
O: in acute: exquisitely tender! feels asymmetrical
Prostate carcinoma
signs and symptoms
S: frequency, nocturia, weak stream, dysuria, hesitancy
- hematuria
- continuous pain to lower back, pelvis, thighs
O: hard nodule on posterior surface –> eventually entire gland feels stone hard and fixed, median sulcus not palpable