Harry was sitting in class and asked the teacher if he could sitcloser up because he couldn’t see anything from the back of theclass. The teacher said he should go to the eye doctor duringspring break. Harry decided to go the next day and the doctor toldhim he needed glasses to fix his problem of being unable to seefrom a distance.
1. What is the issue?
A) He is far sighted (hyperopia)
B) He is nearsighted (myopia)
C) His lenses are really weak and is not refracting fastenough
D) He would need a convex lens to fix the issue
E) Two of the above
F) Three of the above
2. After getting his glasses, Harry decided to get a 40$plane ticket to Miami during COVID-19 with his friends because itwas still spring break! Really smart guy! In the airplane, hestarted having pain in his ear and could barely hear anything.Which of the following is true in what he was experiencing in theplane?
A) The pressure in the external ear wasn’t equal to the pressurein the inner ear
B) The auditory ossicles cannot take the vibration from thetympanic membrane, amplify it and transfer it to the ovalwindow.
C) He could pinch his nose so he can force air to the eustachiantubes
D) The tympanic membrane was still freely vibrating.
E) Two of the above
F) Three of the above
3. Two hours later, Harry needed to go to the bathroom.Unfortunately, he couldn’t leave because the person next to him wassleeping almost the whole flight! He was coming from Greece so itwas a really long flight. The man next to him finally got up so hecould leave, however, Harry passed out within seconds. What mighthave caused this?
A) He was experiencing a form of hypotension and needed to gethis arterioles to vasodilate to decrease resistance.
B) His body was really used to the high BP setting of sittingdown and having to work very hard to get blood to the brain.
C) His heart couldn’t adjust quickly enough and he couldn’t getenough blood to the brain.
D) Two of the above
E) None of the above