The vessels that supply the lower limbs are the
A. common carotids.
B. internal iliac arteries.
C. subclavian arteries
D. external iliac arteries.
E. vertebral arteries.
D
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Blood has been described as an example of a suspension, and soda has been described as a solution. Define these two categories of mixtures and provide different examples of each type
In the examples you provide, explain the molecular properties (approximate size, polarity) of the substances that mix with water.
Insulin concentration is measured in a. unit/mm
b. units/mL. c. cm/lb. d. g/mL.
Which of the following statements regarding pain pathways is FALSE?
A. Substance P is an important neurotransmitter in specific pain pathways. B. Transmission of information in pain pathways may be inhibited by activation of neurons that synthesize opiate neurotransmitters. C. Synaptic activity in afferent neurons associated with pain receptors can be inhibited by axon-axon synapses with neurons from descending pathways. D. Afferents neurons that detect painful stimuli in the skin can converge onto common ascending pathways with neurons that detect painful stimuli in internal organs. E. Substance P is released by neurons descending from the brain, and it inhibits activation of ascending pain pathways.
Which is the correct list of the strata of the epidermis, in order?
A. Basale, lucidum, corneum, granulosum, spinosum B. Lucidum, corneum, spinosum, granulosum, basale C. Corneum, lucidum, spinosum, granulosum, basale D. Corneum, lucidum, granulosum, spinosum, basale