IHS quiz Flashcards
Inhalation sedation using nitrous oxide is a very safe method of sedation but should not be used for which group of patients?
a. a pt in the first trimester of pregnancy
b. a 4 year old pt
c. a pt with ADHD
d. a pt with ASD
e. a pt with well controlled asthma
A - pt in their first trimester of pregnancy
For safety reasons, the machine does not allow you to give more than what percentage of nitrous oxide during inhalation sedation?
a. 70%
b. 50%
c. 80%
d. 40%
e. 60%
A - 70%
Nitrous oxide has some very beneficial properties making it an ideal gas to use for sedation. Which is these is NOT a property of nitrous oxide:
a. pleasant odour
b. anxiolytic
c. analgesic
d. long half life
e. high solubility
D - long half life
** At the beginning of the appointment, necessary paperwork should be checked. Which of these is not on the checklist prior to starting the sedation?**
a. has the pt had a light meal 2 hours before?
b. has the consent form been signed by someone with PR?
c. has the pt got a cough or cold?
d. does the pt need to go to the toilet?
e. does the pt want to hold their parents hand during the procedure?
E - does the pt want to hold their parents hand during the procedure?
** During the sedation appointment, it is important to continually monitor your patient. Which of these would concern you?**
a. your pt is closing their eyes and does not respond when asked a question
b. pt says their feet and legs feel strange
c. pt’s eyes appear glazed but they are still awake
d. pt is becoming more giggly and chatty
A - pt is closing their eyes and not responding to questions.
** Why do we need to give at least 2 minutes of 100% oxygen at the end of the end of the appointment?**
a. to give time to clean down
b. to recover from the procedure
c. so they can walk home after the appt
d. to prevent the risk of diffusion hypoxia
D - to prevent the risk of diffusion hypoxia
** If the patient tries to remove their nasal hood during the appointment whilst they are sedated, what should you do?**
a. allow them to remove it but encourage them to stay laying down.
b. ask the parent if they’re ok to remove the nasal hood.
c. ask them to keep the nasal hood in place but consider administering 100% oxygen so that they can remove it after 3 minutes.
d. increase the level of NO being administered to increase the level of sedation.
C - ask them to keep the nasal hood in place but consider administering 100% oxygen so they can remove it after 3 mins.
** During the appointment. it is important that the nasal hood has a good seal. Which of these is not on the things to check when assessing the seal?**
a. not encroaching on the eyes
b. dental light not too bright in their eyes
c. no gap present around the hood
d. no air getting into the eyes
B - dental light not too bright in their eyes
** When assessing signs of good nasal breathing, which of these would you be concerned about?**
a. all of the air being removed from the reservoir bag in one breath
b. pts check moving up and down when breathing
c. reservoir bag inflating and deflating steadily with each breath
d. valve within the nasal hood moving/fluttering
A - all of the air from the reservoir bag being removed in one breath
** Nitrous oxide is titrated specific to the patient. Which of these is the most suitable procedure to follow, once you have established the flow rate?**
a. start with 10% No and then increase in 10% increments every 2 mins up to 30%
b. start on 5% NO and gradually increase in 5% increments each minute up to 30%
c. give 10% NO for 1 min and then increase to 30% for the next minute
d. give 30% NO for the first 2 mins and then increase to 35% for the local anaesthetic
e. start with a 10% NO, followed by another 10% and then increase in 5% increments each minute up to 30% NO
** e** -start with a 10% NO, followed by another 10% and then increase in 5% increments each minute up to 30% NO
