PLE-216

Which of the following statements is not true about the mucous membrane of the lower half of the anal canal?

PLE-217

To which structure does the venous drainage of the posterior ventricular walls, including the posterior interventricular septum, directly drain?

PLE-218

What is not true about the utricle and saccule?

PLE-214

Where can the sounds produced by the aortic valve be best heard?

PLE-215

A 22-year-old frisbee player was brought to the hospital after sustaining a knee injury. On physical exam, he was noted to demonstrate a positive anterior drawer sign. This suggests that:

PLE-211

Which of the following cells is responsible for osteoid formation?

PLE-212

After being diagnosed with breast cancer, a 35-year-old female mountain climber underwent a Modified Radical Mastectomy. Post-op, the patient is able to move all her limbs, protract the scapula, laterally and medially rotate her arm, extend MP joints of all digits, and flex the wrist. However, she is unable to elevate her trunk. Which nerve may have been injured intra-operatively?

PLE-213

A 25-year-old male patient was observed to have recurrent pyogenic infections of the nasal sinuses. He later developed cavernous sinus thrombosis, a potentially serious condition because of the many delicate structures that can be affected. Which of the following is least likely to be involved?

PLE-208

If this patient undergoes repair of the cardiac defect, what structure may be injured?