The primary force behind blood flow is __________.
A. Elasticity of large arteries
B. The blood pressure gradient
C. Simple diffusion
D. Resistance to blood flow
Ans: B. The blood pressure gradient
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Essential nutrients are those that our cells require but cannot make, and thus they must be present in the diet. Only some amino acids and some fatty acids are essential. What does that suggest about extreme diets that eliminate fats or proteins? What does that suggest about our carbohydrate intake? Describe the typical American diet, in terms of relative amounts of ingested carbohydrates, fats,
proteins, and nucleic acids. Propose some explanations for why one of those is predominant. What will be an ideal response?
Which of the following structures is not associated with the autonomic nervous system?
A. Postganglionic neuron B. Splanchnic nerve C. Oculomotor nerve D. Preganglionic neuron E. All of these are associated with the autonomic nervous system.
Explain the role of glycogen in cellular metabolism
A) It is the primary fuel that enters glycolysis. B) It is the primary fuel that enters the citric acid cycle. C) It is the primary fuel that enters the electron transport chain. D) It serves as an intracellular glucose reserve. E) It can easily be converted to other non-carbohydrate fuel sources.
What action do the gluteal (maximus, medius, and minimus) and tensor muscles perform on the femur?
A. abduction B. adduction C. lateral rotation D. flexion