Which of the following most likely occurs in the condition called hyperkalemia?
A) decreased heart rate
B) increased rate of depolarization at the SA node
C) irregular cardiac contractions
D) fluid collection in the pericardial sac
E) elevated calcium concentrations
C) irregular cardiac contractions
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Which transport process is the main mechanism for the movement of most macromolecules by body cells?
A) phagocytosis B) pinocytosis C) receptor-mediated endocytosis D) secondary active transport
Which of the following categories of epithelium is based on cell shape?
A. Simple B. Stratified C. Transitional D. Columnar E. Keratinized
Near the level of vertebra L4, the aorta branches to form the ________ arteries
A) common carotid B) common iliac C) femoral D) tibial E) popliteal
A tract of white matter found in the limbic system that connects the hippocampus with the hypothalamus is the
A) amygdaloid body. B) cingulate gyrus. C) mammillary bodies. D) hippocampus. E) fornix.