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Normal Ageing Principles Quiz

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Questions and Answers

How does the stiffening of vessels with age affect the cardiovascular system?

Decreases systemic vascular resistance and cardiac afterload

Has no impact on the cardiovascular system

Leads to decreased workload on the heart

Increases systemic vascular resistance and cardiac afterload (correct)

Which of the following is a characteristic of normal physiological changes due to ageing?

Dilatation of the aorta

Increased aldosterone concentration and response to sodium restriction

Ventricular relaxation delayed at the time of mitral valve opening

Reduced maximum heart rate (correct)

What is the impact of aged-related decline on organ systems?

It varies between individuals and affects all organ systems at different rates (correct)

It has no impact on organ systems

It does not affect organ systems

It affects all organ systems uniformly

How does ageing affect an older person’s reserves in times of stress and illness?

It decreases reserves in times of stress and illness Signup and view all the answers

Which of the following is a clinical manifestation of the age-related physiological changes in the hematological system?

Increased risk of bleeding due to anticoagulants decrease Signup and view all the answers

What is a consequence of the reduced total blood and plasma volume due to age-related physiological changes in the hematological system?

Impaired bone marrow response to acute hemorrhage Signup and view all the answers

Which age-related change affects the immune system's innate and acquired immunity?

Innate and acquired immunity affected by ageing Signup and view all the answers

What is a result of the decreased cell-mediated immunity due to age-related physiological changes in the immune system?

Predisposition to infection (response to infection) Signup and view all the answers

What is an effect of the reduced liver mass due to age-related physiological changes in the digestive system?

Reduced low-density lipoprotein (LDL) receptors, reduced metabolism of LDL Signup and view all the answers

Which clinical manifestation is associated with the age-related changes in the immune system's B-cell and T-cell responses?

Increased risk of malignancy Signup and view all the answers

What is a consequence of the reduced energy requirements due to reduced muscle mass and activity levels in the aging process?

Blunted ventilation response to hypoxic or hypercapnia stimulus Signup and view all the answers

Which clinical manifestation is associated with the age-related changes in the hematological system's responsiveness to thrombotic stimulators?

Increased risk of deep vein thrombosis Signup and view all the answers

What is a consequence of the reduced synthesis of vitamin K-dependent clotting factors due to age-related physiological changes in the digestive system?