The ________ ganglia differ from the sympathetic trunk ganglia segments in that they are single structures, rather than paired.
Fill in the blank(s) with the appropriate word(s).
prevertebral
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Cytology would be best defined as the study of ________
A) tissue B) cells C) cell chemistry D) the gross structures of the body
Which of the following is true regarding endocrine glands?
A. They secrete their products by way of ducts. B. Their secretions may be released onto the body surface. C. They have an unusually low density of blood capillaries. D. They secrete substances that do not alter the metabolism of their target cells, but have extracellular effects. E. They release their secretions into the blood.
Which of the following is not true of hemoglobin?
A. It makes up about 1/3 of a red blood cell. B. Each hemoglobin molecule consists of 4 protein subunits. C. Each hemoglobin molecule can bind to up to 20 oxygen molecules at a time. D. Oxyhemoglobin is bright red, and deoxyhemoglobin is dark red. E. All of these are true of hemoglobin.
Which of the following is true regarding an epidural block?
A) It is commonly used as a method of pain control during labor and delivery. B) It affects only the spinal nerves in the immediate area of the injection. C) It can provide sensory and motor anesthesia, depending on the anesthetic selected. D) It can provide mainly sensory anesthesia, depending on the anesthetic selected. E) all of the above