________ is a pictorial guide to the placement of leads.

When obesity complicates positioning of ECG electrodes, remember that you can place electrodes on the ______________________ and ______________________ instead of on the chest

Fill in the blank(s) with correct word

In order to prevent pulmonary emboli, a filter may be placed into which of the following vessels to prevent clots from being carried into the pulmonary circulation?

a. Subclavian vein b. Pulmonary artery c. Thoracic duct d. Inferior vena cava e. Femoral artery