Galen NUR 170 Exam 2: (Latest 2026/2027 Update) Neurologic,
Sensory, & Respiratory Disorders | Q&A | Grade A | 100% Correct
(Verified Answers)
Complete Review: Cataracts, Glaucoma, Macular Degeneration, Meniere's, Seizures, MS, Parkinson's, Asthma, COPD & More
SUBJECT SOURCE FORMAT
Foundations of Nursing / NUR 170 Galen Exam 2 Study Guide 2026/2027 Q&A Guide with Rationale
Q1
What condition is where the lens of the eye loses transparency?
CORRECT ANSWER
Cataracts
RATIONALE
• Cataracts are an opacification of the crystalline lens, leading to decreased visual acuity.
• Risk factors: aging, UV exposure, diabetes, smoking, corticosteroid use.
• Symptoms: painless blurring, glare, halos, decreased night vision.
Q2
What are symptoms of cataracts?
CORRECT ANSWER
Diplopia (double vision), halos visible, and white/cloudy pupils
RATIONALE
• Diplopia occurs due to light scatter through the opaque lens.
• Advanced cataracts cause a visible white pupil (leukocoria).
• Symptoms are gradual and painless, unlike glaucoma.
,Q3
What should you teach a patient after cataract surgery?
CORRECT ANSWER
Don't lift anything heavy or do anything that may increase IOP, wear eyepatch to avoid rubbing eye, and
wear dark glasses until pupils react to light
RATIONALE
• Increased intraocular pressure (IOP) can disrupt the surgical incision.
• Rubbing the eye increases risk of infection and corneal injury.
• Dark glasses reduce photophobia as the eye heals.
Q4
A patient that just had cataract surgery should be prescribed what to avoid IOP while having a bowel
movement?
CORRECT ANSWER
Stool softeners
RATIONALE
• Straining during bowel movement increases intraocular pressure, risking surgical complications.
• Stool softeners (docusate) prevent constipation without straining.
• Adequate hydration and fiber intake also help.
Q5
Therapeutic management of pre-op cataracts?
CORRECT ANSWER
Mydriatics and cycloplegics
RATIONALE
• Mydriatics (e.g., phenylephrine) dilate the pupil for surgical access.
• Cycloplegics (e.g., cyclopentolate) paralyze accommodation.
• These drops facilitate lens removal and IOL placement.
, Q6
Therapeutic management of post op cataract?
CORRECT ANSWER
Antibiotics, steroids, analgesics (ANA)
RATIONALE
• Antibiotics prevent postoperative endophthalmitis.
• Steroids reduce inflammation and prevent scarring.
• Analgesics manage mild postoperative discomfort.
Q7
What eye condition is where drainage is disrupted?
CORRECT ANSWER
Glaucoma
RATIONALE
• Glaucoma results from impaired aqueous humor drainage, increasing intraocular pressure.
• Untreated glaucoma leads to optic nerve damage and vision loss.
• Open-angle vs closed-angle glaucoma have different presentations.
Q8
What is open angle glaucoma?
CORRECT ANSWER
It allows some drainage
RATIONALE
• Open-angle glaucoma is chronic, with gradual outflow obstruction.
• It is painless with slow peripheral vision loss ("silent thief of sight").
• Treated with prostaglandin analogs, beta-blockers (timolol), or laser trabeculoplasty.
Sensory, & Respiratory Disorders | Q&A | Grade A | 100% Correct
(Verified Answers)
Complete Review: Cataracts, Glaucoma, Macular Degeneration, Meniere's, Seizures, MS, Parkinson's, Asthma, COPD & More
SUBJECT SOURCE FORMAT
Foundations of Nursing / NUR 170 Galen Exam 2 Study Guide 2026/2027 Q&A Guide with Rationale
Q1
What condition is where the lens of the eye loses transparency?
CORRECT ANSWER
Cataracts
RATIONALE
• Cataracts are an opacification of the crystalline lens, leading to decreased visual acuity.
• Risk factors: aging, UV exposure, diabetes, smoking, corticosteroid use.
• Symptoms: painless blurring, glare, halos, decreased night vision.
Q2
What are symptoms of cataracts?
CORRECT ANSWER
Diplopia (double vision), halos visible, and white/cloudy pupils
RATIONALE
• Diplopia occurs due to light scatter through the opaque lens.
• Advanced cataracts cause a visible white pupil (leukocoria).
• Symptoms are gradual and painless, unlike glaucoma.
,Q3
What should you teach a patient after cataract surgery?
CORRECT ANSWER
Don't lift anything heavy or do anything that may increase IOP, wear eyepatch to avoid rubbing eye, and
wear dark glasses until pupils react to light
RATIONALE
• Increased intraocular pressure (IOP) can disrupt the surgical incision.
• Rubbing the eye increases risk of infection and corneal injury.
• Dark glasses reduce photophobia as the eye heals.
Q4
A patient that just had cataract surgery should be prescribed what to avoid IOP while having a bowel
movement?
CORRECT ANSWER
Stool softeners
RATIONALE
• Straining during bowel movement increases intraocular pressure, risking surgical complications.
• Stool softeners (docusate) prevent constipation without straining.
• Adequate hydration and fiber intake also help.
Q5
Therapeutic management of pre-op cataracts?
CORRECT ANSWER
Mydriatics and cycloplegics
RATIONALE
• Mydriatics (e.g., phenylephrine) dilate the pupil for surgical access.
• Cycloplegics (e.g., cyclopentolate) paralyze accommodation.
• These drops facilitate lens removal and IOL placement.
, Q6
Therapeutic management of post op cataract?
CORRECT ANSWER
Antibiotics, steroids, analgesics (ANA)
RATIONALE
• Antibiotics prevent postoperative endophthalmitis.
• Steroids reduce inflammation and prevent scarring.
• Analgesics manage mild postoperative discomfort.
Q7
What eye condition is where drainage is disrupted?
CORRECT ANSWER
Glaucoma
RATIONALE
• Glaucoma results from impaired aqueous humor drainage, increasing intraocular pressure.
• Untreated glaucoma leads to optic nerve damage and vision loss.
• Open-angle vs closed-angle glaucoma have different presentations.
Q8
What is open angle glaucoma?
CORRECT ANSWER
It allows some drainage
RATIONALE
• Open-angle glaucoma is chronic, with gradual outflow obstruction.
• It is painless with slow peripheral vision loss ("silent thief of sight").
• Treated with prostaglandin analogs, beta-blockers (timolol), or laser trabeculoplasty.
