Damage to tissues of what thoracic structure(s) will cause impairment of ventilation and a pneumothorax?

True or false (circle one). The medial femoral condyle is twice as long as the lateral femoral condyle, causing the knee to spin on the lateral condyle during flexion and extension

Indicate whether the statement is true or false.

In the two-lead method of axis determination, a positive deflection of the QRS in Lead I and a negative QRS deflection in Lead aVF indicate:

A) right axis deviation B) left axis deviation C) extreme right axis deviation D) normal axis