Identify the major extracellular and intracellular cations in body fluids
What will be an ideal response?
The most abundant extracellular cation is the sodium ion while the most abundant intracellular cation is the potassium ion.
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The neurotransmitter thought to be involved in learning and memory is
A) GABA. B) acetylcholine. C) glutamate. D) norepinephrine. E) glycine.
The carrier protein that transports absorbed iron through the blood is
A) hemoglobin. B) intrinsic factor. C) thrombopoietin. D) erythropoietin. E) transferrin.
To accommodate for their high surface to volume ratio, smaller mammals
a. reduce the size of each alveolus. b. increase alveolar density. c. increase the density of capillaries used in gas exchange. d. reduce the size of each alveolus and increase alveolar density. e. all of these.
Which of the following factors would NOT tend to increase systemic arterial blood pressure?
A. Increased venous return B. Increased blood volume C. Increased parasympathetic stimulation D. Increased sympathetic stimulation E. Increased activity of the skeletal muscle pump