A client reports experiencing blurry central vision that has recently worsened. Which pathological process supports the client's subjective report?
Blockage of retinal capillaries causing ischemic damage of the central macular area.
Opaque spoke-like lines developing in the periphery of the lens to the center.
Tears in the retina that detach from the lining of the posterior eyeball.
An increase in intraocular pressure with loss of peripheral vision.
The Correct Answer is A
A) Blockage of retinal capillaries causing ischemic damage of the central macular area:
Correct. Blurry central vision that worsens over time can be indicative of macular ischemia, often caused by blockage of retinal capillaries leading to ischemic damage of the central macular area. This condition can occur in diseases such as diabetic retinopathy or retinal vein occlusion.
B) Opaque spoke-like lines developing in the periphery of the lens to the center:
This description is more characteristic of cataracts, which cause visual disturbances such as glare or halos around lights rather than blurry central vision.
C) Tears in the retina that detach from the lining of the posterior eyeball:
Retinal tears and subsequent detachment can cause visual disturbances, but they typically present as sudden onset of floaters, flashes of light, and a curtain-like shadow over the visual field rather than blurry central vision.
D) An increase in intraocular pressure with loss of peripheral vision:
This description is indicative of glaucoma, which can lead to loss of peripheral vision (visual field defects) rather than blurry central vision. Glaucoma-related visual field loss usually begins peripherally and progresses inward, affecting central vision in later stages.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Herpes simplex virus:
While herpes simplex virus (HSV) infection is a sexually transmitted infection that can cause genital ulcers and lesions, it is not directly associated with an increased risk of cervical cancer. However, individuals with genital herpes may have an increased risk of acquiring human papillomavirus (HPV), which is a significant risk factor for cervical cancer.
B. Vulvovaginitis:
Vulvovaginitis refers to inflammation or infection of the vulva and vagina and can be caused by various factors, including bacterial, fungal, or viral infections. While chronic inflammation or infection may contribute to cellular changes in the cervix, it is not a direct risk factor for cervical cancer.
C. Human papillomavirus (HPV):
Human papillomavirus (HPV) infection is the most significant risk factor for developing cervical cancer. Certain high-risk strains of HPV, particularly HPV types 16 and 18, are strongly associated with the development of cervical dysplasia and cervical cancer. Persistent infection with high-risk HPV strains can lead to cellular changes in the cervix, eventually progressing to cervical cancer.
D. Chronic yeast infections:
Chronic yeast infections, also known as recurrent vulvovaginal candidiasis, are caused by the overgrowth of Candida species in the vaginal area. While chronic yeast infections can cause discomfort and recurrent symptoms, they are not directly linked to an increased risk of cervical cancer. However, chronic irritation or inflammation in the genital area may increase the susceptibility to other infections, including HPV.
Correct Answer is A
Explanation
A) Deficiency of factors VIII or IX.
Hemophilia is a genetic disorder characterized by deficient or defective clotting factors, specifically factors VIII (hemophilia A) or IX (hemophilia B). These clotting factors are essential for the formation of stable blood clots. Therefore, if hemophilia is present, the deficiency of factors VIII or IX can lead to impaired clot formation and prolonged bleeding.
B) Diminished amount of vitamin K:
Vitamin K deficiency can lead to impaired blood clotting due to inadequate synthesis of clotting factors in the liver. However, hemophilia is specifically associated with deficiencies in factors VIII or IX, not vitamin K.
C) Decreased amount of platelets:
Platelets play a crucial role in primary hemostasis and initial platelet plug formation at the site of vascular injury. While decreased platelet count or dysfunction can lead to bleeding disorders such as thrombocytopenia or platelet function disorders, hemophilia specifically involves deficiencies in clotting factors, not platelets.
D) Missing factors V and VII:
Factor V and VII are other clotting factors involved in the coagulation cascade, but they are not deficient in hemophilia. Hemophilia is specifically characterized by deficiencies in factors VIII (hemophilia A) or IX (hemophilia B).
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