Week 5 Assessment

N2O/O2 sedation has a significant negative impact (harmful effect) on which of the following body systems?

Reproductive

N2O has the ability to depress the CNS. N2O/O2 sedation has no negative effect on the endocrine system

Both statements are true

Which of the following IS A contraindication of the N2O/O2 sedation?

Acute Sinus infection

N2O/O2 sedation is a relative contraindication for patients with pneumothorax. Patients with acute sinusitis can use N2O/O2 sedation for relaxation.

Both statements are false

Nitrous oxide oxidizes the colbalt form of cobalamin (Vit B12), when prevents cobalamin from acting as a coenzyme for methionine synthase. Methionine synthase is vital for the synthesis materials within the body and plays a vital role in cellular reproduction.

Both statements are true

Nitrous oxide-oxygen sedation has a positive effect on myocardial ischemia due to its provision of supplemental oxygen, sedative properties, and tendency to dilate peripheral vessels. Nitrous oxide can also enhance the CNS depressant effects of agents such as barbiturates, tranquilizers, narcotics, and recreational drugs. (Think about these statements, a critical thinking question)

Both statements are true

Which one of the following systems does nitrous oxide have the greatest impact?

Central nervous system

Select the commonly missed contraindications to N2O/O2 sedation. Select all that apply.

Claustrophobia Sleep medications, including herbal supplements Herbal supplements for depression or psych disorders

Which of the following conditions contraindicates the use of N2O/O2 sedation?

Current ear infection

Which of the following conditions can be a contraindication and needs a medical consultation before the use of N2O/O2 sedation? Select all that apply.

Cystic Fibrosis COPD

Patients receiving bleomycin sulfate therapy for cancer treatments can have N2O/O2 sedation. A patient with a tympanic membrane graft two weeks ago is a contraindication for N2O/O2 sedation.

First statement false and second statement true

Which of the following does NOT contraindicate the administration of N2O/O2 sedation?

Hypertension

All of the following statements are TRUE of N2O/O2 sedation, EXCEPT.

N2O is metabolized in the liver

Which of the following statements is TRUE of how N2O impacts the cardiovascular system? Select all the answers that are TRUE.

Positive effect on myocardial ischemia No real change in heart rate or cardiac output No medical conditional involving this system that indicates a medical consultation

Nitrous oxide sedation may be contraindicated in patients with which of the following conditions?

Recovered alcoholic COPD Cystic fibrosis All of the above***

N2O/O2 sedation is contraindicated for a patient with _______________________________.

a leaking lung

Which of the following are considered a relative contraindication for N2O/O2 sedation, EXCEPT one. Which one is the exception?

patient has undiagnosed anorexia