Chapter 8
Biology of Aging · 9 exercises
Problem 1
Oberta consumes \(10,460 \mathrm{~kJ}\) of energy per day and has a total TEE of \(9623 \mathrm{~kJ}\). Is Oberta in positive or negative energy balance?
3 step solution
Problem 3
Briefly define atrophic gastritis. Include the primary cause and the treatment for this disorder in the elderly. What effects does atrophic gastritis have on digestion?
4 step solution
Problem 4
Describe how the time-dependent loss of stereocilia affects hearing. Include in your description how the physical properties of a sound wave are converted into neural signals that the brain uses to interpret sound.
3 step solution
Problem 5
What are AGEs, and how might they cause functional alterations in proteins and other biological structures?
4 step solution
Problem 6
Define the process of accommodation in the mechanism of focusing by the eye. What factors lead to time-dependent changes in accommodation, and what is the visual result of these changes?
3 step solution
Problem 7
Briefly explain how time-dependent changes in the acquired immune system can result in a less effective response to vaccines.
4 step solution
Problem 8
Briefly describe the factors that lead to an increase in wound healing time in older people.
5 step solution
Problem 9
Define glomerular filtration rate, and explain why time-dependent changes in the kidney's blood flow result in declining GFR.
4 step solution
Problem 10
What are the two time-dependent changes that trigger the start of menopause?
2 step solution