ATI LPN
Perioperative Care Fundamentals Practice Questions Quizlet Questions
Question 1 of 5
The following are examples of immune system diseases EXCEPT
Correct Answer: D
Rationale: Immune system diseases involve immune dysfunction. 'Cancer,' is correct as the exception, primarily oncological, per immunology (e.g., Janeway). 'Lupus,' 'Rheumatoid arthritis,' and 'HIV,' affect immunity. Cancer's cellular origin makes D the precise answer.
Question 2 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 3 of 5
Use the following scores of TEN (10) students in Statistics listed below to answer Questions 29 and 30 : 70,63,54,82,60,75,13,64,40,74 The median of the above scores is
Correct Answer: C
Rationale: Ordered scores: 13,40,54,60,63,64,70,74,75,82. Median = (63+64)/2 = 63.5, confirming C as correct.
Question 4 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 5 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.