Air flow in the respiratory system is driven by _____ gradients.
Fill in the blank(s) with the appropriate word(s).
Answer: pressure
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What are the first-order neurons in the visual pathway?
A. Optic nerve fibers B. Rods and cones C. Ganglion cells D. Amacrine cells E. Bipolar cells
The limbic system
A. controls voluntary movements of the arms and legs. B. is associated with basic survival instincts of nutrition, memory, and reproduction. C. is a memory area in the midbrain. D. has recently evolved. E. includes the brainstem.
A patient dies of a myocardial infarction because of death to the left atrium and posterior wall of the left ventricle. A blockage in which coronary vessel resulted in her death?
A. Anterior interventricular branch of the LCA B. Right marginal branch of the RCA C. Circumflex branch of the LCA D. Posterior interventricular branch of the RCA
The developmental stage at which erythrocytes enter the circulation is as
A) hemocytoblasts. B) reticulocytes. C) band forms. D) myeloid cells. E) proerythrocytes.