Correct Answer: D

Rationale: Intradermal injections require a very fine needle to be used to deliver the medication into the dermis layer of the skin. A 26G needle is typically used for intradermal injections as it is thin enough to penetrate the skin's surface and deposit the medication accurately.

Correct Answer: B

Rationale: In situations involving potential organ donation, the nurse's role is to provide support, listen to the family's concerns, and answer their questions truthfully. By doing so, the nurse can help facilitate an informed and respectful decision-making process for the grieving family.

Correct Answer: C

Rationale: The incorrect statement is that 'The patient should always feed himself.' Patients with dysphagia may require assistance with feeding due to difficulty in swallowing safely. It is essential to provide appropriate support and supervision during meal times to prevent complications such as aspiration or inadequate nutrition intake.

Correct Answer: C

Rationale: Orthopnea is a condition where a person experiences difficulty breathing when lying flat but finds relief when sitting up or standing. Elevating the head of the bed to the high Fowler position helps alleviate this symptom. Tachypnea refers to rapid breathing, eupnea is normal breathing, and hyperventilation is breathing excessively fast or deep.

Correct Answer: A

Rationale: To effectively wash hands, soap or detergent is essential as they help emulsify fats and oils, allowing them to be rinsed away. Hot water alone cannot effectively destroy bacteria, and a disinfectant is not typically required for routine hand washing.