Nokea
Twenty micrograms (g) are equal to how many milligrams? Record your answer using a decimal number.
Correct Answer: 0.02
Rationale: 1 mg = 1,000 g, so 20 /1,000 = 0.02 mg.
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A woman has undergone a mastectomy of her right breast and has been brought to the recovery unit. The nurse explains that the client should
- A. keep her right arm elevated on a pillow.
- B. keep her right arm elevated above her head.
- C. keep her right arm level with the heart.
- D. keep her right arm slightly lower than her heart.
Correct Answer: A
Rationale: Elevating the arm on a pillow reduces lymphedema risk post-mastectomy by promoting lymphatic drainage.
The client using a diaphragm should be instructed to:
- A. Refrain from keeping the diaphragm in longer than 4 hours
- B. Keep the diaphragm in a cool location
- C. Have the diaphragm resized if she gains 5 pounds
- D. Have the diaphragm resized if she has any surgery
Correct Answer: D
Rationale: Surgery, especially pelvic or abdominal, can alter pelvic anatomy, requiring the diaphragm to be resized for effective contraception.
To reduce the possibility of having a baby with a neural tube defect, the client should be told to increase her intake of folic acid. Dietary sources of folic acid include:
- A. Meat, liver, eggs
- B. Pork, fish, chicken
- C. Spinach, beets, cantaloupe
- D. Dried beans, sweet potatoes, Brussels sprouts
Correct Answer: D
Rationale: Folic acid is found in foods like dried beans, sweet potatoes, and Brussels sprouts. These help reduce the risk of neural tube defects like spina bifida when consumed before and during early pregnancy.
The nurse is teaching the mother of a child with cystic fibrosis how to do chest percussion. The nurse should tell the mother to:
- A. Use the heel of her hand during percussion
- B. Change the child's position every 20 minutes during percussion sessions
- C. Do percussion after the child eats and at bedtime
- D. Use cupped hands during percussion
Correct Answer: D
Rationale: Cupped hands during chest percussion create a vibration that helps loosen mucus in cystic fibrosis without causing injury.
What clinical manifestation is most indicative of possible carbon monoxide poisoning?
- A. Pulse oximetry reading of 80%
- B. Expiratory stridor and nasal flaring
- C. Cherry red color to the mucous membranes
- D. Presence of carbonaceous particles in the sputum
Correct Answer: C
Rationale: Cherry red mucous membranes are a hallmark of carbon monoxide poisoning due to carboxyhemoglobin formation, which gives tissues a bright red appearance.