« previous next »

Author Question: Why do older adults need higher levels of illumination to see clearly? a. The number of cones in ... (Read 172 times)

Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
on: Jun 22, 2018
Why do older adults need higher levels of illumination to see clearly?
 
  a. The number of cones in the retina decreases.
  b. Hardening of the lenses begins at about age 20 . c. Pupil size decreases with age.
  d. There is a flattening of the retina.

Question 2

Age-related changes in the sensory system begin in remainder of a person's life.
 
  a. later adolescence b. early adulthood
  c. middle adulthood
  d. later adulthood, and their effects increase throughout the


robbielu01

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jun 22, 2018
Answer to Question 1

c

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Assessing risk for infection in adults Assessing risk for infection in adults
The age-dependent curve of salivary progresterone levels in three populations. The age-dependent curve of salivary progresterone levels in three populations.
Young adults who described themselves as “not being religious at all” had greater stress ... Young adults who described themselves as “not being religious at all” had greater stress ...
Correlations between scores on a psychology test and number of boiled kumquats eaten per month Correlations between scores on a psychology test and number of boiled kumquats eaten per month
Can chichenpox infection elevate the levels of cells? Can chichenpox infection elevate the levels of cells?
Meiosis Halves the Chromosome Number Meiosis Halves the Chromosome Number
Video: Proteins

For a complete list of videos, visit our video library