An action potential results from which of the following?
A. The exocytosis of potassium ions
B. The diffusion of ions across the plasma membrane of the axon
C. The diffusion of neurotransmitters across the plasma membrane
D. The endocytosis of neurotransmitters
E. The diffusion of ions across the plasma membrane in the neurosoma
Answer: B
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Pancreatic juice in the main pancreatic duct empties into the hepatopancreatic ampulla.
Answer the following statement true (T) or false (F)
Which of the following is not associated with the large absorptive surface of the small intestine?
A. Microvilli B. Circular folds (plicae circulares) C. Villi D. Intestinal length E. Rugae
Your eye makes what adjustment in order to focus on something close up?
A. Accommodation B. Myopia C. Refraction D. Diplopia E. Emmetropia
Which of the following can be calculated if the tidal volume and respiratory rate are known?
A) respiratory minute volume B) inspiratory reserve volume C) expiratory reserve volume D) anatomic dead space E) minimal volume