The specific strip of skin that is innervated by a specific spinal nerve is called a
A) root.
B) ramus.
C) trunk.
D) ganglion.
E) dermatome.
E
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Which of the following is used to promote water reabsorption by the kidneys?
a) Antidiuretic hormone b) ANP c) Aldosterone d) Parathyroid hormone e) All of these choices
The structure of a lymph node can be described as
a. contain masses of only lymphocytes b. afferent vessels circulating lymph into the node on its convex surface c. efferent vessels circulating lymph out of the node on its convex surface d. being uncompartmentalized
The retina of the eye and skin of the forehead are both supplied by branches of the
A. facial artery. B. superficial temporal artery. C. ophthalmic artery. D. maxillary artery. E. transverse facial artery.
Which of the following is not involved in creating the resting potential of a neuron?
A) diffusion of potassium ions out of the cell B) diffusion of sodium ions into the cell C) Membrane permeability for sodium ions is greater than for potassium ions. D) Membrane permeability for potassium ions is greater than for sodium ions. E) The interior of the plasma membrane has an excess of negative charges.