male exam 1 Flashcards
which section of the anal canal is sensitive to pain and innervated by somatic sensory nerves?
lower half
which section of the anal canal is under autonomic control and relatively insensitive?
upper half
what portion of the prostate is accessible during DRE?
posterior surface
what is made of smooth muscle and under involuntary autonomic control?
internal sphincter
what is made of striated muscle and under voluntary control?
external sphincter
the urge to defecate is caused by stimulation of?
internal sphincter
actual defecation is controlled by?
external sphincter
what is the nerve supply to the lower half of anal canal?
somatic sensory nerves
where is the prostate located?
base of the bladder surrounding the urethra
what percent of men over 70 have BPH?
70-90%
consistency of prostate with BPH?
boggy, squishy, smooth
SHOULD BE NONTENDER
why is BPH a problem?
acute urinary retention may occur causing recurrent infections
incomplete bladder emptying leads to?
urinary stasis
what is the 2nd leading cancer death in males over 65?
prostate cancer
how many men will have prostate cancer?
1 in 6
most common type of prostatic carcinoma?
adenocarcinoma
cancer from the prostate is responsible for what amount of metastasis?
60% of all skeletal metastasis
what are the risk factors for prostate cancer?
over 50
african american
diet high in animal fat
what are other causes of hard nodules on the prostate besides cancer?
prostatic calculi
prostatic TB
prostate granulomata
what are normal PSA levels?
less than 4 ng/ml
4-10 borderline
over 10 high
symptoms of acute prostatitis?
high fever, flu like, perineal, prostate and LBP
urinary obstruction
dysuria, nocturia, hematuria
arthralgia and myalgia
what are DRE results of acute prostatitis?
enlarged and warm and VERY painful