NGT

Question 1

True or False: NG and OG tubes are always inserted under direct visualization.

Answer 1

False

Question 2

True or False: A Salem Sump tube has two lumens.

Answer 2

True

Question 3

True or False: The air vent of the Salem Sump tube should be used for irrigation.

Answer 3

False

Question 4

True or False: The best method to confirm NG/OG tube placement is by x-ray.

Answer 4

True

Question 5

True or False: OG tubes are generally more comfortable than NG tubes for conscious patients.

Answer 5

False

Question 6

Fill in the blank: An NG tube is inserted through the ______.

Answer 6

nasopharynx

Question 7

Fill in the blank: A Levin tube has a ______ lumen.

Answer 7

single

Question 8

Fill in the blank: The ______ position is recommended during NG tube insertion to aid swallowing.

Answer 8

high-Fowler

Question 9

Fill in the blank: For adults, add ______ cm to the measured distance to ensure gastric placement.

Answer 9

15.2

Question 10

Fill in the blank: The pH of fasting gastric aspirate is typically ______ or less.

Answer 10

5

Question 11

What are the two most common types of tubes used for stomach decompression?

Answer 11

Levin tube and Salem Sump tube

Question 12

Why is the high-Fowler position used during NG tube insertion?

Answer 12

It promotes the patient’s ability to swallow and prevents aspiration.

Question 13

What should be done if resistance is felt during tube insertion?

Answer 13

Withdraw slightly, adjust angle, lubricate again, and try the other nostril if needed.

Question 14

What does a blue pigtail on a Salem Sump tube indicate?

Answer 14

It is an air vent for the secondary lumen.

Question 15

What are signs of incorrect placement of an NG tube?

Answer 15

Coughing, choking, gagging, stridor, or cyanosis

Question 16

True or False: Gastric contents are usually clear and yellow.

Answer 16

False

Question 17

True or False: A bite block may prevent damage during OG tube placement.

Answer 17

True

Question 18

True or False: Capnography can detect incorrect placement in the lungs.

Answer 18

True

Question 19

True or False: Skin preparation before tape placement prevents loosening.

Answer 19

True

Question 20

True or False: Frequent mouth care is not necessary for patients with OG tubes.

Answer 20

False

Question 21

Fill in the blank: Capnography detects the presence of ______ in the tube.

Answer 21

carbon dioxide

Question 22

Fill in the blank: Secure OG tubes to the patient’s ______ if no ET tube is present.

Answer 22

cheek

Question 23

Fill in the blank: The tube should be ______ before reconnecting to suction after flushing.

Answer 23

unclamped

Question 24

Fill in the blank: ______ lubricant should be used for tube insertion.

Answer 24

Water-soluble

Question 25

Fill in the blank: Vomiting during insertion increases risk of ______.

Answer 25

aspiration

Question 26

What should you do before inserting a tube into a patient with a nasal history?

Answer 26

Review patient history for nasal surgery, congestion, or nosebleeds.

Question 27

What is the purpose of measuring external tube length and marking it?

Answer 27

To detect tube displacement during monitoring.

Question 28

What steps are included in confirming NG tube placement?

Answer 28

Aspiration, pH testing, capnography, and x-ray

Question 29

What is a potential risk of forcing an NG tube?

Answer 29

Trauma to the mucosa

Question 30

Why should nasal and oral mucosa be inspected before insertion?

Answer 30

To assess for conditions that may complicate the procedure

Question 31

True or False: Suction should be turned off before tube removal.

Answer 31

True

Question 32

True or False: It's safe to tape the NG tube tightly against the naris.

Answer 32

False

Question 33

True or False: A towel is placed over the chest to prevent soiling.

Answer 33

True

Question 34

True or False: Ill-fitting dentures must be removed before NG/OG tube insertion.

Answer 34

True

Question 35

True or False: The patient should exhale while the tube is removed.

Answer 35

False

Question 36

Fill in the blank: Gastric pH above ______ may indicate non-gastric placement.

Answer 36

6

Question 37

Fill in the blank: Apply ______ before securing tape to improve adherence.

Answer 37

skin-preparation agent

Question 38

Fill in the blank: To check for coiling, inspect the ______.

Answer 38

posterior pharynx

Question 39

Fill in the blank: After tube removal, cleanse the ______.

Answer 39

naris

Question 40

Fill in the blank: If tube placement is in doubt, obtain a ______.

Answer 40

radiographic confirmation