Which structure distinguishes the internal and external hemorrhoids?
A: transverse fold of rectum
B: hemorrhoidal zone
C: denticulate line
D: pelvic diaphragm
E: Hilton’s line
A: transverse fold of rectum
B: hemorrhoidal zone
C: denticulate line
D: pelvic diaphragm
E: Hilton’s line
举一反三
- The landmark of distinct internal and external hemorrhoids is A: dentate line B: white line C: anal pecten D: anorectal line
- The structure that makes up the joint tendon is () A: Outer margin of rectus sheath and external oblique muscle B: Internal oblique and transverse abdominal muscles C: External oblique and internal oblique D: Transabdominal muscle and transverse fascia E: External abdominal oblique muscle, internal abdominal oblique muscle<br/>and transverse abdominal muscle
- Which of the following muscles contract(s) during quiet expiration A: Diaphragm B: Internal intercostals C: External intercostals D: None of the above E: All of the above
- In order to inhale, the size of the thoracic cavity has to increase in order to decrease the internal pressure (compared to atmospheric pressure). In order to accomplish this task, which of the following must occur? A: the diaphragm muscle relaxes and the external intercostals contract B: the diaphragm muscle contracts and the external intercostals relax C: the diaphragm muscle and external intercostals contract D: the diaphragm muscle and external intercostals relax
- The wall epidermis is composed of ( ). A: The white line of the hoof B: The paries corneus C: The external layer D: The middle layer E: The internal layer