Nodes of Ranvier lie between neurons
Indicate whether the statement is true or false
FALSE
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Glucose is not considered an essential nutrient because it is not essential for good health.
Answer the following statement true (T) or false (F)
The velocity and pressure of blood is slowest and lowest in the capillary beds. Which of the following is not an accurate description of the benefits of slow, low pressure blood in the capillary beds?
A) Lower pressure on the venus end of the capillary bed allows for greater reabsorption of fluid back to the plasma. B) Slower blood flow through capillaries allows more time for diffusion to take place in the capillary bed. C) Lower pressure in the capillary bed helps to increase pressure in the venus circulation. D) Lower pressure reduces the chance of injury to delicate capillary vessels.
What makes lymphatic vessels similar to the venous circuit of the cardiovascular system?
A) Both vessels operate under high pressure. B) Both vessels have valves. C) Both vessels feed into capillary beds. D) Both vessels have a thick tunica media.
Which of the following muscles of facial expression is not innervated by the facial nerve?
A) Orbicularis oculi B) Corrugator supercilii C) Levator palpebrae superioris D) Buccinator E) Zygomaticus major