Which is true of the pectinate or dentate line?
A) It is a palpable landmark.
B) It demarcates the areas supplied by the central nervous system from the peripheral nervous system.
C) It is the border between the anal canal and the rectum.
D) It is not visible on proctoscopic examination.
C) It is the border between the anal canal and the rectum.
The pectinate or dentate line marks the division between the anal canal and rectum. It is not palpable but is visible on proctoscopy. It also marks the areas supplied by the visceral and peripheral nervous systems.
You might also like to view...
The nurse is teaching a class for adolescent girls on the topic of cervical cancer prevention. The nurse informs the class that risk can be reduced by:
1. Smoking. 2. Use of oral contraceptives. 3. Limiting sexual partners. 4. Following a low-calorie diet.
Gallbladder contraction can be stimulated by
A) duodenal peristalsis. B) enterokinase. C) built-up pressure behind the duct of Wirsung. D) the parasympathetic nervous system.
A postpartum woman is in the perinatal clinic for a routine follow-up visit with her new infant. The patient seems agitated by the questions the nurse is asking and often looks up at the ceiling apprehensively. What action by the nurse is best?
A. Ask the woman if she is hearing voices. B. Assess the woman's sleep and nutrition. C. Determine if the woman has any support. D. Take the baby to another room for assessment.
The nurse is teaching a client about tamoxifen therapy in the treatment of breast cancer. The nurse tells the client that the total length of endocrine therapy is ______ years
Standard Text: Record your answer rounding to the nearest whole number. Fill in the blank with the appropriate word.