ATI LPN
Perioperative Care Fundamentals Practice Questions Quizlet Questions
Question 1 of 5
During intubation, pressure is applied to the cricoids cartilage for the following reasons EXCEPT
Correct Answer: A
Rationale: Cricoid pressure (Sellick maneuver) occludes the esophagus, stabilizes the trachea, and prevents regurgitation/aspiration during intubation. It does not facilitate tube removal, which occurs during extubation.
Question 2 of 5
Below L2, the vertebral canal is occupied by a bundle of spinal nerve roots called
Correct Answer: A
Rationale: Below L2, the spinal cord ends, and the cauda equina (a bundle of nerve roots) occupies the vertebral canal.
Question 3 of 5
All the following interfere with microbial invasion of the body except
Correct Answer: A
Rationale: Keratinization, dendritic cells (immune response), and sebum (antibacterial) resist microbes; melanisation (pigmentation) does not.
Question 4 of 5
The spinal cord is continuous above with the
Correct Answer: C
Rationale: The spinal cord transitions into the medulla oblongata at the foramen magnum.
Question 5 of 5
A single strand of suture handed to the surgeon to ligate a vessel is called a
Correct Answer: C
Rationale: A free tie is a single suture strand used to ligate a vessel, distinct from other suture techniques.