Deck 7: The Cardiovascular System

Question 1

Which of the following structures of the eye is the photosensitive tissue at the back of the eye that contains rods and cones, the sensory receptors of the eye?

A) Lens
B) Retina
C) Iris
D) Cornea

Answer 1

B

Question 2

Your boss, Kevin, who is 42 years old, has recently begun holding books and documents at arms' length in order to read them. Which of the following age-related changes in the eye most likely causes this condition?

A) Lens becoming cloudy
B) Vitreous humor becoming more liquid
C) Loss of elasticity of the lens
D) Loss of rods and cones in retina

Answer 2

C

Question 3

Your neighbor, Hilda, who is 81, complains that she can't see a thing when driving at night. Which of the following age-related changes in the eye is most likely responsible for this limitation?

A) Cornea becoming thicker and less curved with age
B) Lens becoming less elastic
C) Vitreous humor becoming more liquid
D) Changes in the chemical sensitivity of the rods and cones

Answer 3

D

Question 4

Your coworker, Angela, who is in her mid-60s, has stopped wearing her reading glasses when working at her computer recently. When you ask her about it, she says, "I don't need them anymore, apparently! I can see things up close now without any problem." Which of the following age-related vision disorders could best explain the phenomenon Angela is experiencing?

A) Glaucoma
B) Diabetic retinopathy
C) Age-related macular degeneration
D) Cataracts

Question 5

You are explaining to a friend about how the tiny bones of the middle ear, known as the ossicles, transmit sound vibrations that eventually are converted to nerve impulses that are interpreted by the brain. Which of the following are the names of the ossicles? Select all that apply.

A) Auricle
B) Malleus
C) Incus
D) Stapes
E) Pinna

Question 6

Your grandfather, who is 79 years old, has gradually begun having trouble hearing people when speak when they speak to him, especially women. Based on your knowledge of age-related changes in hearing, which of the following is most likely the underlying cause of this change?

A) Degeneration of the spiral organ of Corti
B) Excessive earwax buildup
C) Loss of flexibility of the tympanic membrane
D) Calcification of the ossicles

Question 7

You are having lunch with your mother at her home one day when she tells you that she has started hearing a faint buzzing sound around the house lately. You listen closely but do not hear it. Which of the following age-related disorders is it most likely that your mother is experiencing?

A) Presbycusis
B) Tinnitus
C) Presbyopia
D) Diabetic retinopathy

Question 8

Which of the following sensory systems is significant for mobility and balance?

A) Gustation
B) Olfaction
C) Vestibular
D) Cutaneous

Question 9

Explain why it is so difficult to predict how a particular sensory loss will affect the day-to-day life of an older individual.

Question 10

You are a physical therapist who has just begun working with an older woman with a hearing impairment who is recovering from a hip fracture. Explain what methods you would use to effectively communicate with this client.