#1
Which of the following is NOT a contraindication for nasogastric tube insertion?
Esophageal varices
ExplanationEsophageal varices are not a contraindication for nasogastric tube insertion.
#2
What is the recommended position for a patient during nasogastric tube insertion?
Trendelenburg
ExplanationTrendelenburg position is recommended for nasogastric tube insertion.
#3
What is the typical diameter (in French) of a nasogastric tube used for adult patients?
14
ExplanationTypical diameter of a nasogastric tube for adults is 14 French.
#4
Which landmark is commonly used to estimate the correct depth for nasogastric tube insertion in adult patients?
Nasal tip to tragus to xiphoid process
ExplanationNasal tip to tragus to xiphoid process is used for depth estimation.
#5
Which of the following medications can be used to aid in nasogastric tube insertion by causing nasal vasoconstriction?
Oxymetazoline
ExplanationOxymetazoline aids insertion by causing nasal vasoconstriction.
#6
What is the primary purpose of checking gastric residual volume in patients with a nasogastric tube?
To monitor for gastric intolerance
ExplanationChecking gastric residual volume monitors for gastric intolerance.
#7
What is the purpose of measuring pH and auscultating air in the stomach after nasogastric tube insertion?
To confirm tube placement
ExplanationMeasuring pH and auscultating air confirms nasogastric tube placement.
#8
Which of the following is a potential complication of nasogastric tube insertion?
Pneumothorax
ExplanationPneumothorax is a potential complication of nasogastric tube insertion.
#9
What is the primary purpose of securing a nasogastric tube to the patient's nose?
To prevent displacement
ExplanationSecuring the tube prevents nasogastric tube displacement.
#10
What is the maximum volume of air typically used for inflating the balloon on an adult nasogastric tube?
20-30 mL
ExplanationTypically, 20-30 mL of air is used to inflate the balloon.
#11
Which technique can help prevent aspiration during nasogastric tube insertion in patients at risk?
Applying cricoid pressure
ExplanationApplying cricoid pressure helps prevent aspiration.
#12
What is the typical length (in inches or centimeters) of a nasogastric tube used for adult patients?
24-36 inches
ExplanationTypically, nasogastric tubes for adults are 24-36 inches long.
#13
What is the recommended method for verifying nasogastric tube placement?
Aspiration of gastric contents and pH testing
ExplanationAspiration of gastric contents and pH testing verify nasogastric tube placement.
#14
Which action is NOT recommended during nasogastric tube removal?
Ask the patient to perform a Valsalva maneuver
ExplanationAsking the patient to perform a Valsalva maneuver is not recommended during removal.
#15
Which factor is NOT important to consider when selecting the appropriate size of a nasogastric tube?
Patient's blood pressure
ExplanationThe patient's blood pressure is not a factor in tube size selection.
#16
Which statement regarding nasogastric tube feeding is accurate?
Feeding rate should be adjusted based on bowel sounds
ExplanationFeeding rate adjustment is based on bowel sounds.
#17
What is the recommended action if the nasogastric tube is accidentally inserted into the respiratory tract?
Remove the tube and notify the physician
ExplanationRemove the tube and inform the physician if inserted into the respiratory tract.