Intraocular pressure is determined by the:

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Question 1 of 5

Intraocular pressure is determined by the:

Correct Answer: D

Rationale: The correct answer is D because intraocular pressure is primarily determined by the amount of aqueous humor produced and the resistance to its outflow at the angle of the anterior chamber. When there is an imbalance in the production and outflow of aqueous humor, it can lead to an increase in intraocular pressure, which can result in conditions like glaucoma. Choices A, B, and C are incorrect because they do not directly influence intraocular pressure. The thickness or bulging of the lens (A) is related to accommodation for near vision, the posterior chamber accommodating fluid (B) is not a primary factor in determining intraocular pressure, and the contraction of the ciliary body (C) affects the shape of the lens for focusing rather than intraocular pressure regulation.

Question 2 of 5

While discussing the history of a 6-month-old infant, the mother tells the nurse that she took a great deal of aspirin while she was pregnant. What question would the nurse want to include in the history?

Correct Answer: D

Rationale: The correct answer is D. The nurse would want to ask about the number of ear infections the baby has had since birth because aspirin exposure during pregnancy is associated with an increased risk of developing Reye's syndrome, which can lead to recurrent ear infections. This question helps assess the baby's risk for complications related to aspirin exposure. Choices A, B, and C are incorrect as they are not directly related to the potential complications associated with aspirin exposure during pregnancy.

Question 3 of 5

What would be a normal finding when assessing the lacrimal apparatus during an eye examination?

Correct Answer: A

Rationale: The correct answer is A: The presence of tears along the inner canthus. This is a normal finding during an eye examination as tears are produced by the lacrimal gland and drain into the nasolacrimal duct, which exits at the inner canthus. This indicates proper tear production and drainage. Incorrect choices: B: A blocked nasolacrimal duct in a newborn infant - This would present as excessive tearing and discharge. C: A slight swelling over the upper lid and along the bony orbit if the patient has a cold - This could indicate inflammation due to infection. D: The absence of drainage from the puncta when the inner orbital rim is pressed - This would suggest an issue with the lacrimal drainage system.

Question 4 of 5

A patient comes into the clinic complaining of facial pain, fever, and malaise. On examination, the nurse notes swollen turbinates and a purulent discharge from the nose. The patient also complains of a dull, throbbing pain in his cheeks and teeth on the right side and pain when the nurse palpates the areas. The nurse recognizes that this patient has:

Correct Answer: C

Rationale: Rationale: The patient's symptoms of facial pain, fever, malaise, swollen turbinates, purulent nasal discharge, pain in cheeks and teeth, and pain upon palpation all point towards maxillary sinusitis. The maxillary sinuses are located in the cheek area, and infection can lead to the described symptoms. Frontal sinusitis typically presents with forehead pain, and nasal polyps would not cause the specific symptoms mentioned. Posterior epistaxis involves bleeding from the back of the nose and is not consistent with the patient's symptoms. Therefore, the correct answer is C: maxillary sinusitis.

Question 5 of 5

A patient presents with excruciating pain on one side of his head, especially around his eye, forehead, and cheek, that occurs once or twice each day and lasts about 30 minutes to 2 hours. The nurse suspects:

Correct Answer: B

Rationale: The correct answer is B: cluster headaches. Cluster headaches are characterized by excruciating pain on one side of the head, often around the eye, forehead, and cheek. They occur once or twice each day and last for a relatively short duration of 30 minutes to 2 hours. This pattern of symptoms aligns with the typical presentation of cluster headaches. Incorrect Choices: A: Hypertension is unlikely to present with such specific unilateral head pain patterns and timing. C: Tension headaches typically present with more diffuse, mild to moderate pain and are not typically associated with eye, forehead, or cheek pain. D: Migraine headaches usually last longer than 2 hours and are commonly associated with other symptoms such as nausea, vomiting, and sensitivity to light and sound.

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