Describe the nine recommendations for reducing the risk of myocardial infarction (MI)
What will be an ideal response?
Do not smoke- No amount of smoking is safe. Eat fruits and vegetables- Eating a variety of fruits and vegetables lowers the risk of CHD by 30%. Exercise more- Physical exercise can strengthen the heart muscle, lower blood pressure, help with weight management, reduce the risk of diabetes, and preserve muscle mass. Lower cholesterol- The key to controlling cholesterol is to keep LDL levels low and HDL (high density lipoproteins- the "good cholesterol") levels high. Control obesity- Obesity increases the risk of diabetes, hypertension, and high cholesterol. Prevent diabetes- Diabetes, a disorder of metabolism that results in high circulating levels of glucose in the bloodstream following digestion, dramatically increases the risk and severity of CHD. Manage stress- Given what you have previously read, it goes without saying that managing stress is an important strategy for reducing risk of CHD. Prevent high blood pressure- High blood pressure may damage the lining of the arterial wall initiating the CHD process. Alcohol- Moderate alcohol (1-2 drinks) intake actually decreases the chance of CHD.
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Which of the following has been demonstrated in research concerning the impact of stress on the immune system?
a. Individuals deprived of sleep for long periods of time exhibit a weakened immune system. b. Recently divorced or widowed individuals show increased functioning of their immune systems. c. Both positive and negative events weaken the immune system. d. Stress weakens the immune systems of rats, but not humans.
The small gap between the terminal button of one neuron and a dendrite of a second neuron is called a:
A) node of Ranvier. B) synapse. C) vesicle. D) receptor.
Children whose parents apply the ____ disciplinary style become impulsive, aggressive, self-centered, and bossy
a. permissive b. uninvolved c. authoritative d. authoritarian
Pyrogens influence fever by which of the following mechanisms of action?
a. inhibiting the activity of temperature-insensitive neurons b. increasing the activity of cold-sensitive neurons c. reducing the activity of warm-sensitive neurons d. increasing the activity of warm-sensitive neurons.