QuestionSBA
QuestionChoice
This is incorrect. There is no change in tidal volume with age.
10004470
e
The tidal volume decreases
QuestionChoice
This is incorrect. During ageing, there is a decrease in total body water so blood volume also decreases.
10004468
c
There is an increase in total body water and blood volume
QuestionChoice
This is correct. The maximum cardiac output and aerobic capacity are reduced during ageing.
10004466
a
The maximum cardiac output is generally reduced with age
QuestionChoice
This is incorrect. Ageing causes a decrease in the strength of respiratory muscles which can lead to a reduced effectiveness in coughing to clear airway secretions.
10004469
d
The respiratory muscles increase in strength
QuestionChoice
This is incorrect. During ageing, the aorta becomes thicker and stiffer.
10004467
b
The aorta becomes thinner increasing the likelihood of tears
Concept
Chapter
2693
4294
Cardiorespiratory system and ageing
Topic
216
Ageing
13440
In the elderly, which of the following changes in the cardiorespiratory system can be observed?
a