The glottis is ________.
A. the opening within the trachea
B. a cartilage in the larynx
C. a cartilage in the pharynx
D. the opening between the vocal folds
Answer: D
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A hormone that can lower blood levels of calcium ion is
A) parathyroid hormone. B) thyroxine. C) calcitonin. D) glucagon. E) oxytocin.
At the microcirculatory level, capillaries drain into __________, which progressively converge to form small __________ that exit the organ
Fill in the blank(s) with correct word
Which of the following is an example of an extracellular fluid??
A) ?Tears B) ?Blood C) ?Fluid within the cell D) ?Urine
Which sympathetic pathway involves a preganglionic neuron that synapses with a ganglionic neuron in a sympathetic trunk ganglion, but the postganglionic axon does not leave the trunk via a gray ramus?
A. Spinal nerve pathway B. Postganglionic sympathetic nerve pathway C. Adrenal medulla pathway D. Splanchnic nerve pathway E. None of the choices is correct.