The length of time that you can keep going with an elevated heart rate—that is, how long your heart can endure a given demand—is called ____

a. cardiovascular flexibility
b. cardiovascular strength
c. cardiovascular stroke volume
d. cardiovascular endurance
e. cardiovascular load capacity


d

Nutritional Science

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Describe the roles of lipids in the body

What will be an ideal response?

Nutritional Science

The most appropriate indicator for healthy weight is

A) height and weight tables. B) skin fold measurements. C) insurance mortality data. D) BMI.

Nutritional Science

Jack has just returned from the hospital where his father is recovering from a heart attack. The doctors told Jack that his dad's atherosclerosis is very serious. Jack and his wife, Melanie, are worried about Jack's father and also are starting to think about Jack's risk of having heart disease in his lifetime. He sets up an appointment at his doctor's office and has his blood lipid levels

evaluated for the first time. Let's see if you can answer some of the questions that Jack and Melanie have. Jack's results from his blood lipid level test are as follows: Total cholesterol 255 mg/dL LDL 145 mg/dL HDL 40 mg/dL Triglycerides, fasting 220 mg/dL Which statement accurately describes Jack's test results? a. His total cholesterol is in the desirable range. b. His LDL cholesterol puts him at high risk for CVD. c. His triglycerides are in the desirable range. d. His HDL is borderline for high risk for CVD. e. His ratio of LDL to HDL is optimal.

Nutritional Science

What happens to the temperature of a substance as it is changing phase from a liquid to a solid?

A. its temperature increases due to the absorption of latent heat B. its temperature decreases due to the heat of vaporization C. its temperature decreases due to the latent heat of fusion D. its temperature remains the same due to the latent heat of fusion

Nutritional Science