Levels of total cholesterol and LDL cholesterol are directly related to the frequency of coronary heart disease.
Answer the following statement true (T) or false (F)
True
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Increasing the speed of repetitions and decreasing the rest interval for endurance improvements are two ways of _____.
A. measuring the rate of energy expenditure B. regulating the contraction of fast-twitch fibers C. increasing the red blood cell count D. overloading in strength training E. regulating the contraction of slow-twitch fibers
Identify a correct statement about the thermogenic response.
A. It is the response to experiencing a heat stroke. B. It is the amount of energy required to digest food. C. It is the amount of heat required to increase cardiac output by 10 percent. D. It is the response to wearing warm clothing during a workout in cold weather conditions. E. It is the amount of physical effort required to increase the basal body temperature by 1°F.
A child has been experiencing hypoglycemic episodes. "How does the body know when to secrete insulin and when to stop secreting it?" The best response by the nurse, explaining the physiologic background, would be:
A) "The body knows that if the blood glucose level falls, it will inhibit insulin secretion and release glycogen to release glucose from the liver." B) "It's just a big guessing game; first we give sugar like orange juice, and then we withhold the carbohydrates if the blood glucose level is too high." C) "Your pituitary gland in the brain is the 'master gland,' and it controls and regulates all the hormones." D) "Once the child starts getting confused, the brain will send a message to the pancreas to stop producing insulin."
The valve between the left atrium and the left ventricle is the ________ valve
A) mitral B) aortic C) tricuspid D) pulmonary