Which of the following techniques should you use to dislodge a foreign body airway obstruction in a patient who is in an advanced stage of pregnancy or who is very obese?

Which of the following statements is correct?

A) The standard aspirating syringe is designed to provide negative pressure on aspiration unlike the self-aspirating syringe. B) The standard aspirating syringe is designed to provide negative pressure on aspiration similar to the self-aspirating syringe. C) The standard aspirating syringe is designed to provide positive pressure on aspiration unlike the self-aspirating syringe. D) Neither the standard nor the self-aspirating syringes provides negative pressure on aspiration.

Does radiographic film have an expiration date?

What will be an ideal response?