Question 1

What of the following is one of the most prominent physiologic changes associated with aging?

Accepted Answer

A)  decreased alveolar dead space ventilation 
B)  reduced airflow expulsion 
C)  decreased PaCO2 
D)  increased DLCO 
A)  decreased alveolar dead space ventilation 
B)  reduced airflow expulsion 
C)  decreased PaCO2 
D)  increased DLCO

Question 2

What change can be expected in alveolar dead space ventilation throughout adult life?

Accepted Answer

A)  It increases1mL/year 
B)  It increases 10 mL/year 
C)  It decreases 2 mL/year 
D)  It increases 0.1 L/year 
A)  It increases1mL/year 
B)  It increases 10 mL/year 
C)  It decreases 2 mL/year 
D)  It increases 0.1 L/year

Question 3

The maximum heart rate can be determined using what formula?

Accepted Answer

A)  180 - Age 
B)  200 - Age 
C)  160 - Age 
D)  220 - Age 
A)  180 - Age 
B)  200 - Age 
C)  160 - Age 
D)  220 - Age

Question 4

Approximately how many people living in the United States are 65 years of age or older?

Accepted Answer

A)  15 million + 
B)  35 million + 
C)  45 million + 
D)  25 million+ 
A)  15 million + 
B)  35 million + 
C)  45 million + 
D)  25 million+

Question 5

Which of the following contribute to elevated blood pressure in the elderly?
I. Increased total peripheral vascular resistance
II. Obesity
III. Sodium intake
IV. Stress

Accepted Answer

A)  I, II, III, and IV 
B)  I and III only 
C)  I and II only 
D)  I, II and III only 
A)  I, II, III, and IV 
B)  I and III only 
C)  I and II only 
D)  I, II and III only

Question 6

At what adult age does the PaO2 generally start to decline?

Accepted Answer

A)  65 years 
B)  45 years 
C)  75 years 
D)  55 years 
A)  65 years 
B)  45 years 
C)  75 years 
D)  55 years

Question 7

By what age do most of the pulmonary function indices reach their maximum levels?

Accepted Answer

A)  20-25 years 
B)  40-45 years 
C)  12-18 years 
D)  4-8 years 
A)  20-25 years 
B)  40-45 years 
C)  12-18 years 
D)  4-8 years

Question 8

How does aging affect the total peripheral vascular resistance?

Accepted Answer

A)  it decreases 3% per year 
B)  It increases 3% per year 
C)  It increases 1% per year 
D)  It decreases 1% per year 
A)  it decreases 3% per year 
B)  It increases 3% per year 
C)  It increases 1% per year 
D)  It decreases 1% per year

Question 9

After what age do the alveoli start to progressively deteriorate and enlarge?

Accepted Answer

A)  40 years 
B)  60 years 
C)  30 years 
D)  30 years. 
A)  40 years 
B)  60 years 
C)  30 years 
D)  30 years.

Question 10

How are stroke volume and stroke volume index affected by aging?

Accepted Answer

A)  Both are increased 
B)  Both are diminished 
C)  The stroke index decreases and the stroke volume increases 
D)  The stroke volume decreases and the stroke index increases 
A)  Both are increased 
B)  Both are diminished 
C)  The stroke index decreases and the stroke volume increases 
D)  The stroke volume decreases and the stroke index increases

Question 11

How is the ventilatory response to hypercapnia affected in healthy men over age 65?

Accepted Answer

A)  It is decreased 10% 
B)  It is decreased 30% 
C)  It is decreased >40% 
D)  It is decreased 20% 
A)  It is decreased 10% 
B)  It is decreased 30% 
C)  It is decreased >40% 
D)  It is decreased 20%

Question 12

How is the work of the heart affected by aging?

Accepted Answer

A)  It decreases 1% per year 
B)  It increases by 3% per year 
C)  It decreases by 3% per year 
D)  It increases 1% per year 
A)  It decreases 1% per year 
B)  It increases by 3% per year 
C)  It decreases by 3% per year 
D)  It increases 1% per year

What of the following is one of the most prominent physiologic changes associated with aging?

What change can be expected in alveolar dead space ventilation throughout adult life?

The maximum heart rate can be determined using what formula?

Approximately how many people living in the United States are 65 years of age or older?

Which of the following contribute to elevated blood pressure in the elderly? I. Increased total peripheral vascular resistance II. Obesity III. Sodium intake IV. Stress

At what adult age does the PaO₂ generally start to decline?

By what age do most of the pulmonary function indices reach their maximum levels?

How does aging affect the total peripheral vascular resistance?

After what age do the alveoli start to progressively deteriorate and enlarge?

How are stroke volume and stroke volume index affected by aging?

How is the ventilatory response to hypercapnia affected in healthy men over age 65?

How is the work of the heart affected by aging?

The Anatomy and Physiology of the Respitory System

Ventilation

Pulmonary Function Measurements

The Diffusion of Pulmonary Gases

The Anatomy and Physiology of the Circulatory System

Oxygen and Carbon Dioxide Transport

Acid-Base Balance and Regulation

Ventilation-Perfusion Relationships

Control of Ventilation

Fetal Development and the Cardiopulmonary System

Electrophysiology of the Heart

The Standard 12-Ecg Lead System

Ecg Interpretation

Hemodynamic Measurements

Renal Failure and Its Effects on the Cardiopulmonary System

Sleep Physiology and Its Relationship to the Cardiopulmonary System

Exercise and Its Effects on the Cardiopulmonary System

High Altitude and Its Effects on the Cardiopulmonary System

High Pressure Environments and Their Effects on the Cardiopulmonary System

Filters

Exam 11: Aging and the Cardiopulmonary System

What of the following is one of the most prominent physiologic changes associated with aging?

What change can be expected in alveolar dead space ventilation throughout adult life?

The maximum heart rate can be determined using what formula?

Approximately how many people living in the United States are 65 years of age or older?

Which of the following contribute to elevated blood pressure in the elderly? I. Increased total peripheral vascular resistance II. Obesity III. Sodium intake IV. Stress

At what adult age does the PaO2 generally start to decline?

By what age do most of the pulmonary function indices reach their maximum levels?

How does aging affect the total peripheral vascular resistance?

After what age do the alveoli start to progressively deteriorate and enlarge?

How are stroke volume and stroke volume index affected by aging?

How is the ventilatory response to hypercapnia affected in healthy men over age 65?

How is the work of the heart affected by aging?

The Anatomy and Physiology of the Respitory System

Ventilation

Pulmonary Function Measurements

The Diffusion of Pulmonary Gases

The Anatomy and Physiology of the Circulatory System

Oxygen and Carbon Dioxide Transport

Acid-Base Balance and Regulation

Ventilation-Perfusion Relationships

Control of Ventilation

Fetal Development and the Cardiopulmonary System

Electrophysiology of the Heart

The Standard 12-Ecg Lead System

Ecg Interpretation

Hemodynamic Measurements

Renal Failure and Its Effects on the Cardiopulmonary System

Sleep Physiology and Its Relationship to the Cardiopulmonary System

Exercise and Its Effects on the Cardiopulmonary System

High Altitude and Its Effects on the Cardiopulmonary System

High Pressure Environments and Their Effects on the Cardiopulmonary System

Filters

At what adult age does the PaO₂ generally start to decline?