The MOST significant disadvantage associated with needle cricothyrotomy is:
A) air leakage around the insertion site.
B) the inability to exhale via the glottis.
C) local infection due to poor technique.
D) the potential for pulmonary aspiration.
Answer: D) the potential for pulmonary aspiration.
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When assessing a patient with abdominal pain, you note that his abdomen feels rigid. Which of the following would the EMT do next?
A) Ask the patient to take a deep breath and re-palpate the rigid area. B) Note that the patient has guarding and obtain a blood pressure. C) Gently massage the abdominal muscles until they relax. D) Increase the pressure of palpation until the rigid muscles relax.
Adhesion is mediated by a variety of bonding mechanisms, which include:
A) Exogenous antimicrobial agents B) Etching agents C) Physiochemical interactions D) Antimicrobial interactions