The presence of two peripheral efferent neurons in a pathway is typical of the ________ division.
A) somatic and autonomic
B) autonomic
C) sensory
D) somatic and sensory
E) somatic
B) autonomic
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Which of the following is not a property of the blood-brain barrier?
A) The capillary endothelial cells are interconnected by tight junctions. B) It is very permeable to many water and lipid-soluble compounds. C) Astrocytes surround the CNS capillaries. D) It is absent in portions of the hypothalamus. E) It is intact except in areas known as circumventricular organs.
What is the structural classification of the neuron labeled A?
a) bipolar neuron b) multipolar neuron c) unipolar neuron d) nonpolar neuron e) pseudounipolar
What structure distributes tears across the surface of the eye?
A) palpebrae B) eyelashes C) ciliary glands D) lacrimal caruncle
Name the first two branches of the common iliac artery
A) an internal iliac artery and a femoral artery B) an external iliac artery and a femoral artery C) an external iliac artery and an internal artery D) deep femoral artery and superficial femoral artery E) deep femoral artery and femoral circumflex artery