Chapter 25: Anus, Rectum, and Prostate

Chapter 25: Anus, Rectum, and Prostate

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

MULTIPLE CHOICE

1. Which statement concerning the anal canal is true? The anal canal:

ANS:  D

The anal canal is the outlet for the gastrointestinal tract and is approximately 3.8 cm long in the adult. It is lined with a modified skin that does not contain hair or sebaceous glands, and it slants forward toward the umbilicus.

DIF:    Cognitive Level: Remembering (Knowledge)                    REF:   p. 721

MSC:  Client Needs: General

2. Which statement concerning the sphincters is correct?

ANS:  B

The external sphincter surrounds the internal sphincter but also has a small section overriding the tip of the internal sphincter at the opening. The external sphincter is under voluntary control. Except for the passing of feces and gas, the sphincters keep the anal canal tightly closed.

DIF:    Cognitive Level: Remembering (Knowledge)                    REF:   p. 721

MSC:  Client Needs: General

3. The nurse is performing an examination of the anus and rectum. Which of these statements is correct and important to remember during this examination?

ANS:  B

The anal columns are folds of mucosa that extend vertically down from the rectum and end in the anorectal junction. This junction is not palpable but is visible on proctoscopy. The rectum is 12 cm long; just above the anal canal, the rectum dilates and turns posteriorly.

DIF:    Cognitive Level: Remembering (Knowledge)                    REF:   p. 721

MSC:  Client Needs: Safe and Effective Care Environment: Management of Care

4. The structure that secretes a thin, milky alkaline fluid to enhance the viability of sperm is the:

ANS:  B

In men, the prostate gland secretes a thin milky alkaline fluid that enhances sperm viability. The Cowper glands (also known as bulbourethral glands) secrete a clear, viscid mucus. The median sulcus is a groove that divides the lobes of the prostate gland and does not secrete fluid.

DIF:    Cognitive Level: Remembering (Knowledge)                    REF:   p. 722

MSC:  Client Needs: General

5. A 46-year-old man requires an assessment of his sigmoid colon. Which instrument or technique is most appropriate for this examination?

ANS:  C

The sigmoid colon is 40 cm long, and the nurse knows that it is accessible to examination only with the colonoscope. The other responses are not appropriate for an examination of the entire sigmoid colon.

DIF:    Cognitive Level: Understanding (Comprehension)             REF:   p. 722

MSC:  Client Needs: Safe and Effective Care Environment: Management of Care