Nitrous Ch.9 LEA

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Nitrous oxide can increase the pressure within cavities or spaces in the human body. Select all that can be affected by nitrous oxide due to the pressure. -Expansion of the middle ear airspace -Bladder -Patient with acute sinusitis -Impact on the eyes -Impact the pleural space of the lungs

-Expansion of the middle ear airspace -Patient with acute sinusitis -Impact on the eyes -Impact the pleural space of the lungs

Select the commonly missed contraindications to N2O/O2 sedation. Select all that apply. KEY commonly missed! -Herbal supplements for depression or psych disorders -Cancer treatment with bleomycin sulfate -Hypertension -Sleep medications, including herbal supplements -Claustrophobia

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

Which of the following statements is TRUE of how N2O impacts the cardiovascular system? -No real change in heart rate or cardiac output -No medical conditional involving this system that indicates a medical consultation -Can lead to atrial fibrillation -Positive effect on myocardial ischemia

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

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. -Pneumothorax -COPD -The patient is considered an ASA III -Controlled Asthma -High Blood Pressure -Cystic Fibrosis

-Pneumothorax -COPD -The patient is considered an ASA III -Cystic fibrosis

Select ALL of the systems N2O/O2 sedation has NO negative effect on: -endocrine -reproductive -hepatic -Genitourinary -Cognitive disorders -Reproductive

-endocrine -hepatic -Genitourinary

N2O/O2 sedation is at least relative contraindication if not an absolute for patients with pneumothorax. Patients with acute sinusitis can use N2O/O2 sedation for relaxation. -false, true -false, false, -true, true -true, false

-false, false

N2O has the ability to depress the CNS. N2O/O2 sedation has no negative effect on the endocrine system. A. both statements true B. first statement is false and second statement true C. both statements false D. first statement true and second statement is false

A. both statement true

If the patient is suffering or recovering from addiction or mental illness, the relaxing, euphoric sensations from N2O may exacerbate or trigger unwanted episodes or may encourage addictive behaviors. Patients under psychiatric and/or psychologic care/medications that are controlled do not need a medical consultation before N2O/O2 sedation. A. First statement is true and the second statement is false B. Both statements true C. Both statements false D. First statement is false and second statement true

A. first statement is true and the second statement is false

N2O/O2 sedation is contraindicated for having undergone recent pneumoencephalography or for patients who are abusers of N2O. N2O/O2 sedation is considered safe and can continue for patients experiencing acute sinusitis or upper respiratory tract infections. A. First statement is true and the second statement is false B. First statement is false and second statement true C. Both statements false D. Both statements true

A. first statement is true and the second statements is false

An indication for use of N2O/O2 sedation is a patient who A. has a hypersensitive gag reflex. B. has severe claustrophobia. C. has a current upper respiratory tract infection. D. is currently intoxicated or high.

A. has a hypersensative gag reflex

When administering nitrous oxide ______________ occurs A. neither occurs B. vasodilation C. vasoconstriction

B. vasodilation

Which one of the following systems does nitrous oxide have the greatest impact on? A. Cardiovascular B. Hepatic C. CNS D. Muscular system

C. CNS

N2O/O2 sedation has a significant negative impact (harmful effect) on which of the following body systems? A. Endocrine B. Genitourinary C. Reproductive D. Gastrointestinal

C. Reproductive

N2O/O2 sedation should be avoided or medical consultation is advised for patients with pernicious anemia or other vitamin B12 deficiency. Currently, no conditions involving the endocrine system indicate medical consultation or postponement of N2O/O2 use. A. First statement is true and the second statement is false B. Both statements false C. Both statements true D. First statement is false and second statement true

C. both statements true

Nitrous oxide oxidizes the form of cobalamin (Vit B12) when prevents cobalamin from acting as a coenzyme for methionine synthase. Methionine synthase is vital for the synthesis of materials within the body and plays a vital role in cellular reproduction. A. First statement is true and the second statement is false B. First statement is false and second statement true C. Both statements true D. Both statements false

C. both statements true

Which of the following IS a contraindication of the N2O/O2 sedation? A. Parkinson's disease B. Cancer C. Cerebrovascular accidents D. Acute sinus infection

D. Acute sinus infection

Which of the following conditions contraindicates the use of N2O/O2 sedation? A. diabetes B. anemia C. high blood pressure D. current ear infection

D. current ear infection

Nitrous oxide use is contraindicated for asthma patients because it is irritating to mucous membranes. There has never been an allergy to N2O reported, only adverse reactions. A. first statement is true and second statement is false B. both statements false C. both statements true D. first statement false and second statement true

D. first statement is false and second statement true

Which of the following does NOT contraindicate the administration of N2O/O2 sedation? A. Gastrointestinal obstruction B. Chronic obstructive pulmonary disease C. Psychiatric disorder D. Hypertension

D. hypertension

Is N2O/O2 sedation contraindicated for an individual with asthma? Yes or NO

NO

N2O/O2 sedation is not considered a trigger for malignant hyperthermia (MH) and can be safely administered to MH-susceptible individuals. True or False

True

All of the following statements are TRUE of N2O/O2 sedation, EXCEPT. a. N2O is metabolized in the liver b. Permicious anemia is a absolute contraindication for N2O/O2 sedation c. There have been no known reported allergies to N2O d. N2O/O2 sedation can be safely administered on patients with malignant hyperthermia

a. N2O is metabolized in the liver

N2O/O2 sedation is at least relative contraindication if not an absolute for patients with pneumothorax. Patients with acute sinusitis can use N2O/O2 sedation for relaxation. a. First statement is false and second statement true b. Both statements false c. First statement is true and the second statement is false d. Both statements true

b. Both statements false

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) a. First statement true and second statement false b. First statement false and second statement true c. Both statement true d. Both statements false

c. Both statement true


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