CNA Practice Test: Nutrition and Hydration
- Nutrition and Hydration
- 10 questions
- 12 minutes
These 10 questions cover safe feeding, special diets and measuring intake. For intake and output, remember that 1 fluid ounce is about 30 mL.
Tap an option to mark your answer. You can change your mind, or tap the same option again to leave the question blank. The correct answers and explanations appear when you finish the test.Tap an option to answer; tap it again to leave the question blank.
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Question 1
How should a resident with swallowing problems be positioned while eating?
Correct answer: D
An upright position helps food go down the esophagus instead of into the airway. Eating while reclined raises the risk of aspiration.
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Question 2
After a meal, how long should a resident at risk of aspiration stay upright?
Correct answer: A
Staying upright for at least 30 minutes after eating lets food move down and lowers the risk of choking and aspiration from reflux.
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Question 3
A resident drank 6 fluid ounces of juice. How should you record this intake?
Correct answer: B
One fluid ounce is about 30 mL, so 6 × 30 = 180 mL. 240 mL would be a full 8-ounce cup.
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Question 4
A resident drank half of a 240 mL carton of milk and all of a 120 mL cup of juice. What is the total intake?
Correct answer: C
Half of 240 mL is 120 mL, and 120 + 120 = 240 mL. Adding the full carton (240 + 120 = 360 mL) is the common mistake.
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Question 5
A resident with dysphagia is ordered nectar-thick liquids. She asks for a glass of plain water. What should you do?
Correct answer: D
Thin liquids flow quickly and can slip into the airway of a person with dysphagia. Thickened water keeps her hydrated safely, and her questions can go to the nurse.
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Question 6
A resident's care plan says NPO after midnight. What does NPO mean?
Correct answer: C
NPO comes from the Latin nil per os, nothing by mouth. The resident may not eat or drink, often before a test or surgery.
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Question 7
Which sign may mean a resident is dehydrated?
Correct answer: D
When the body is low on fluid, urine becomes dark and concentrated. Ankle swelling suggests fluid buildup, the opposite problem.
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Question 8
A resident who is blind asks where the food is on her plate. What is the best way to tell her?
Correct answer: A
Using the face of a clock ("the potatoes are at 3 o'clock") lets her find each food on her own and keeps her independence.
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Question 9
A meal tray has four portions of about the same size. The resident eats three of them completely and does not touch the fourth. What percentage did she eat?
Correct answer: B
Three of four equal portions is 3 ÷ 4 = 0.75, or 75%. 25% is the part she did not eat.
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Question 10
Which is correct when feeding a resident who needs help?
Correct answer: C
Sitting at eye level lets you see her swallow and makes the meal more pleasant. Small bites, given only after each swallow, help prevent choking.
Questions you leave blank are not counted as wrong.
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