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?

<p>It decreases reserves in times of stress and illness (D)</p> Signup and view all the answers

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

<p>Increased risk of bleeding due to anticoagulants decrease (D)</p> 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?

<p>Impaired bone marrow response to acute hemorrhage (D)</p> Signup and view all the answers

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

<p>Innate and acquired immunity affected by ageing (B)</p> 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?

<p>Predisposition to infection (response to infection) (C)</p> 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?

<p>Reduced low-density lipoprotein (LDL) receptors, reduced metabolism of LDL (C)</p> 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?

<p>Increased risk of malignancy (B)</p> 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?

<p>Blunted ventilation response to hypoxic or hypercapnia stimulus (C)</p> 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?

<p>Increased risk of deep vein thrombosis (A)</p> 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?

<p>Predisposition to infection (response to infection) (A)</p> Signup and view all the answers

What is a result of the decreased pancreatic mass and enzyme reserves due to age-related physiological changes in the digestive system?

<p>Reduced low-density lipoprotein (LDL) receptors, reduced metabolism of LDL (B)</p> Signup and view all the answers

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