ATI RN
ATI Fundamentals Proctored Exam 2023 Quizlet
1. What is the transparent membrane that focuses the light entering the eyes onto the retina?
- A. Lens
- B. Sclera
- C. Cornea
- D. Pupils
Correct answer: A
Rationale: The correct answer is the lens. The lens is a transparent structure in the eye that helps to focus light onto the retina, which is essential for clear vision. The cornea and sclera are also important parts of the eye, but the lens specifically plays a crucial role in focusing light onto the retina. The sclera is the white outer layer of the eye that helps maintain the shape of the eye, while the cornea is the clear outer covering of the eye that helps to refract light into the eye.
2. When is the most appropriate time for obtaining a sputum specimen for culture?
- A. Early in the morning
- B. After the patient eats a light breakfast
- C. After aerosol therapy
- D. After chest physiotherapy
Correct answer: A
Rationale: Obtaining a sputum specimen early in the morning is the most appropriate time because secretions have accumulated overnight. This timing provides the best sample with the least contamination, leading to more accurate culture results and aiding in diagnosing respiratory infections effectively.
3. Which of the following is the correct abbreviation for drops?
- A. Gtt.
- B. Gtts.
- C. Dp.
- D. Dr.
Correct answer: A
Rationale: The correct abbreviation for drops in medical terminology is 'Gtt.' It is derived from the Latin word 'guttae,' meaning drops. The abbreviation 'Gtts.' (Choice B) is incorrect as it adds an unnecessary 's.' Choices C and D, 'Dp.' and 'Dr.,' are not standard abbreviations for drops in medical contexts, making them incorrect.
4. While teaching a newly hired nurse about varicella, a nurse in a pediatric clinic should include which of the following information?
- A. Children who have varicella are contagious until vesicles are crusted.
- B. Children who have varicella should receive the varicella (chickenpox) vaccine.
- C. Children who have varicella should be placed in airborne precautions.
- D. Children who have varicella are contagious 1-2 days before the rash appears.
Correct answer: A
Rationale: Children with varicella (chickenpox) are contagious until all vesicles are crusted over. The contagious period starts 1-2 days before the rash appears and continues until all lesions are dried and crusted. It is important to educate healthcare providers about the contagious period to prevent the spread of the virus to susceptible individuals.
5. The client was asked to read the Snellen chart. Which of the following is being tested?
- A. Optic
- B. Olfactory
- C. Oculomotor
- D. Trochlear
Correct answer: A
Rationale: The correct answer is A: Optic. The Snellen chart is used to test visual acuity, which assesses the function of the optic nerve responsible for vision. Choices B, C, and D are incorrect. Olfactory relates to the sense of smell, oculomotor controls eye movement, and trochlear controls certain eye muscles. Therefore, the only option related to vision testing in this context is the optic nerve.
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