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ACSM Certification Review Chapter 4
Chapter 4 of ACSM's Certification review
85
Physiology
Graduate
03/17/2010

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Term
True of false. Chronic Obstructive Pulmonary Disease (COPD) is a preventable and treatable disease.
Definition
True
Term
What happens to a person with COPD?
Definition
Their airflow is limited due to inflammation in the lung in response to noxious particles or gases.
Term
What are symptoms of COPD?
Definition
cough, sputum production, and dyspnea (shortness of breath)
Term
Define emphysema
Definition
a condition of the lung marked by abnormal enlargement of the alveoli with loss of pulmonary elasticity that is characterized especially by shortness of breath and may lead to impairment of heart action
Term
What are common symptoms of asthma? (5)
Definition
coughing, wheezing, chest tightness, shortness of breath, and faster or noisy breathing.
Term
What is associated with the emergence of asthma?
Definition
Allergies, respiratory infections, and environmental exposures to tobacco smoke, air pollution, and possibly dietary factors.
Term
What parts of the body does restrictive lung disease affect? (5)
Definition
1) Thorax
2) Respiratory muscles
3) nerves
4) pleura
5) parenchyma
Term
What are symptoms of restrictive lung disease?
Definition
effort intolerance and dyspnea
Term
Define Hypoxia
Definition
a deficiency of oxygen reaching the tissues of the body.
Term
Aside from the heart, what do cardiovascular diseases affect?
Definition
Blood vessels
Term
What are examples of artherothrombotic diseases? (5)
Definition
1. Coronary Heart Disease
2. Acute Coronary Syndromes
3. Hypertension
4. Peripheral Arterial Disease
5. Ischemic Stroke
Term
What causes the risk of cardiovascular diseases to increase?
Definition
Aging, Lifestyle, Environmental, and Genetic factors.
Term
Define arteriosclerosis
Definition
areteriosclerosis is a loss of elasticity of the arteries, which is characterized by a thickening of the artery walls.
Term
Define artherosclerosis.
Definition
A process where fatty material is deposited along the walls of the arteries. This could cause the arteries to be blocked.
Term
Define Thrombosis.
Definition
A blood clot that forms in a blood vessel or heart chamber and remains there.
Term
Define Vasodilation
Definition
widening of the lumen of blood vessels
Term
What is a vasospasm?
Definition
sharp and often persistent contraction of a blood vessel reducing its lumen and blood flow
Term
What is Acute Coronary Syndrome (ACS)?
Definition
It is an umbrella term describing a group of clinical symptoms compatible with acute myocardial ischemia, including unstable angina pectoris and mycardial infarction, and sudden cardiac death.
Term
When does myocardial ischemia occur?
Definition
when a coronary artery is partially or completely obstructed because of artherosclerosis, coronary thrombosis or coronary artery spasm.
Term
What is angina pectoris?
Definition
It is a transient pain or discomfort in the chest caused by myocardial ischemia.
Term
Where is angina pectoris most commonly located?
Definition
chest, neck, cheeks or jaw, shoulders, upper back, or arms.
Term
How is angina initiated?
Definition
exercise or stress, excitement, cold or hot weather; food intake.
Term
How is angina relieved?
Definition
Rest or nitroglycerin.
Term
Define necrosis
Definition
localized death of living tissue.
Term
What are the possible complications of myocardial infarction?
Definition
1) Extention of the zone of ischemia to surrounding tissue, thus widening the necrosis.
2) Ventricular Aneurysm
3) Ventricular Rupture
4) Papillary necrosis and rupture.
5) Left ventricular dysfunction.
Term
About how many of all deaths from CHD are sudden and unexpected?
Definition
half
Term
What is Chronic Heart Failure? (congestive heart failure)
Definition
A heart disease where there is an impairment in the ability of the ventricle to eject or to fill with blood.
Term
True or false. When experiencing CHF some patients have either predominantly systolic or diastolic dysfunction whereas others have both conditions concurrently.
Definition
True.
Term
How is systolic dysfunction during CHF diagnosed?
Definition
diagnosed by below-normal left ventricular ejection fraction.
Term
What is the most common cause of systolic dysfunction when one experiences CHF?
Definition
Coronary artery disease.
Term
What are other causes of systolic dysfunction when one experiences CHF?
Definition
Hypertension or valvular heart disease.
Term
What are signs and symptoms of diastolic dysfunction when one experiences CHF?
Definition
Dyspnea, fatigue, exercise intolerance, fluid retention.
Term
What are the three main stages of progression of CHF?
Definition
1) Ventricular dysfunction without definite symptoms.
2) Minimally symptomatic stage.
3) Congestive symptoms of fluid overload.
Term
Describe Stage A of CHF
Definition
Patients at high risk for developing CHF, but who have no structural disorder of the heart.
Term
Describe stage B of CHF.
Definition
Patients with structural heart disease but no symptoms of CHF.
Term
Describe stage C of CHF.
Definition
Patients with past or current symptoms of CHF with underlying structural heart disease.
Term
Describe stage D of CHF.
Definition
Patients with end-stage disease requiring specialized treatment.
Term
Define cardiomyopathy.
Definition
A heart disease characterized by a weakening of the myocardium that usually results in inadequate pumping function of the heart.
Term
How is cardiomyopathy caused?
Definition
viral infections, MI, alcoholism, long-term, severe high blood pressure, or unknown causes.
Term
What is dilated cardiomyopathy?
Definition
enlargement of the heart muscle.
Term
What is restrictive cardiomyopathy?
Definition
A group of disorders where there is abnormal filling of the heart chambers because of stiffness of the heart and the inability to relax normally during diastole.
Term
What is hypertrophic cardiomyopathy?
Definition
the thickening of the muscles that make up the heart.
Term
Define Valvular heart disease.
Definition
Disorders involving the valves of the heart (aortic, pulmonary, mitrial, tricuspid)
Term
What causes valvular heart disease?
Definition
degenerative heart disease, endocarditis, CHD, rheumatic heart disease, connective tissue diseases, and iatrogenic causes.
Term
What is valvular stenosis?
Definition
A condition characterized by the inability of a heart valve to open completely.
Term
What is valvular regurgitation?
Definition
the opposite of valvular stenosis. A heart halve is unable to close completely.
Term
What is Peripheral Arterial Disease? (PAD)
Definition
Arteriosclerosis of the peripheral blood vessels. (legs and feet).
Term
What are symptoms of PAD?
Definition
pain in the thighs, calves, or feet on exertion or at rest, numbness, and cold legs or feet.
Term
Severity of PAD can be classified using the Fontane classification. What is it? (6 levels)
Definition
1. Asymptomatic.
2. Intermittent claudication
3. Distance to pain onset >200m
4. Distance to pain onset <200m
5. Pain at rest.
6. Gangrene, tissue loss.
Term
What are the two types of stroke?
Definition
Ischemic - decreased blood flow to a portion of the brain resulting in cell death.
Intracranial Hemorrhagic Stroke - sudden rupture of an artery in the brain.
Term
What are symptoms of stroke?
Definition
1) sudden weakness of the face, arm, or leg usually on one side of the body.

2) may also include numbness in same areas, sudden confusion, trouble speaking or understanding, sudden trouble seeing or walking, dizziness, loss of balance or coordination, or sudden headache with no cause.
Term
What is the difference between a sign and a symptom?
Definition
A sign is an objective symptom. (i.e. swelling of the ankles, edema) A symptom is subjective. (i.e. chest pain)
Term
What are major signs and symptoms of cardiovascular, pulmonary, and metabolic diseases? (4)
Definition
1) Pain, discomfort in the chest, neck, jaw, arms, or other areas.
2) Shortness of breat at rest or with mild exertion.
3) Dizziness or syncope.
4) Orthopnea or paroxysmal nocturnal dyspnea.
Term
What are primary nonmodifiable risk factors for cardiovascular disease? (3)
Definition
1) Advancing Age 2) Gender 3) Family history.
Term
About __% of MIs occur in persons over age 65, __% in those age 45 to 65, and _% in those under age 45.
Definition
50%, 45%, 5%
Term
What fraction of adult men and women have some form of CVD
Definition
1/3rd
Term
What is the lifetime risk of developing CVD for men and women?
Definition
49% for men 32% for women.
Term
How much more likely are smokers to get CAD than non-smokers?
Definition
two and a half times more likely.
Term
The risk of heart disease decreases __% within one year of smoking cessation and approaches that of a lifetime nonsmoker within __ years.
Definition
50%, 15
Term
Define Dyslipidemia.
Definition
High cholesterol.
Term
True or false. As blood pressure increases, so does the risk of cardiovascular disease.
Definition
True.
Term
Persons with diabetes mellitus are ___ to _____ times more likely to develop CVD than persons of similar age, gender, and ethnicity without DM.
Definition
two to eight.
Term
What fraction of all cases of DM are undiagnosed and untreated?
Definition
one third.
Term
Criteria for the diagnosis of metabolic syndrome include the presence of at least three of five factors. What are the five factors?
Definition
1) Elevated waist circumference.
2) Elevated TGs
3) Reduced HDL cholesterol
4) Elevated blood pressure
5) Elevated fasting glucose.
Term
Define Electrocardiography
Definition
A test that records cardiac electrical currents by placing electrodes on the surface of the body.
Term
Define echocardiography.
Definition
Used to assess heart wall motion abnormalities, structural abnormalities, valvular function, systolic and diastolic function, ejection fraction, and cardiac output by use of ultrasound waves.
Term
define coronary angiography
Definition
just look it up in the book. p. 75
Term
Define coronary calcium assessment.
Definition
look up in book p. 75
Term
How do you treat coronary artery disease? (4)
Definition
1) Risk factor modification.
2) Drug Therapy
3) Nitrates
4) Other agents.
Term
What types of drug therapy are used to treat coronary artery disease? (2)
Definition
1. Platelet inhibitors (i.e. aspirin)
2. Anti-ischemic Agents (i.e. Beta blockers, calcium channel antagonists)
Term
What is percutaneous transluminal coronary angioplasty? (PCTA)
Definition
A procedure where a catheter with a deflated ballon is inserted into the narrowed portion of the coronary artery. Then the balloon gets inflated and the plaque is flattened in the artery resulting in an increased inner diameter of the artery. It is then deflated and removed.
Term
What is PCTA with a coronary artery stent?
Definition
The stent is a mesh tube that acts as a scaffold to hold the arteries open. It is left inside the artery.
Term
What s an atherectomy?
Definition
It is similar to PTCA instead that it uses a high-speed rotating shaver to grind the plaque. Then a tool is used to cut and vacuum away the plaque.
Term
What is a laser angioplasty?
Definition
Similar as PCTA. End of catheter emits pulses of photons that vaporize the plaque.
Term
What is coronary artery bypass graft surgery? (CABGS)
Definition
a large vein is removed and attached ot the base of the aorta and at other points. This is for those who have failed to respond to PCTAs
Term
What is the purpose for risk stratification?
Definition
1) Guidance on the need for a medical examination before participation in moderated to vigorous exercise programs.
2) Guidance for monitoring and supervision during exercise testing.
3) Assistance in making recommendations for physical activity.
4) Assistance in making therapeutic recommendations for CVD treatment.
Term
What are the effects of exercise on pulmonary disease? (2)
Definition
1) can improve muscoloskeletal and psychosocial factors that typically limit exercise in persons with pulmonary disease.
2. Exercise can reduce the risk of CAD.
Term
What are the benefits of exercise for people with CAD?
Definition
Simple things. Read in book.
Term
Which is more important? Volume or intensity of physical activity?
Definition
Volume.
Term
Increased ______ _________ from skeletal muscle improves the relationship between oxygen supply and oxygen demand.
Definition
oxygen extraction.
Term
What is more beneficial for people with osteoporosis? Resistance training, or aerobic training?
Definition
resistance training.
Term
Do different types (i.e. obese, elderly, etc.) of people acclimate to high temperature differently or is it all the same?
Definition
It is different.
Term
Cold exposure results in _______________ with resulting blood pressure elevation.
Definition
vasoconstriction.
Term
Should you use the wind chill equivalent or the actual temperature when gauging the risk of hypothermia and frostbite?
Definition
Wind chill.
Term
How much does maximal oxygen consumption decrease per 1000m of altitude above 1500m.
Definition
10%
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