A patient has come to the office for her first eye examination and is diagnosed as having a visual acuity of 20/40 . The patient asks the nurse what these numbers mean. What is a correct response by the nurse?
A) A person whose vision is 20/40 can see an object from 40 feet away that a person with 20/20 vision can see from 20 feet away.
B) A person whose vision is 20/40 can see an object from 20 feet away that a person with 20/20 vision can see from 40 feet away.
C) A person whose vision is 20/40 can see an object from 40 inches away that a person with 20/20 vision can see from 20 inches away.
D) A person whose vision is 20/40 can see an object from 20 inches away that a person with 20/20 vision can see from 40 inches away.
Question 2
An adult patient has undergone extensive testing that has resulted in a diagnosis of a basophilic pituitary tumor. The pathophysiological effects of the patient's tumor include excessive secretion of adrenocorticotropic hormone (ACTH).
As a result, this patient is likely to exhibit signs and symptoms that are characteristic of what endocrine disorder?
A) Addison's disease
B) Cushing's disease
C) Hyperthyroidism
D) Diabetes insipidus
The nurse needs to inform the patient with impaired vision when a touch is to occur and ask permissi
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