In what way are lymphatic vessels similar to veins?
A. They empty into lymph nodes.
B. They are small, encapsulated bodies.
C. They include valves to direct flow.
D. They carry blood to the heart.
Answer: C
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The hormone that does the opposite of calcitonin is
A) insulin. B) glucagon. C) growth hormone. D) parathyroid hormone. E) thyroid hormone.
Which of the following is incorrect pertaining to the neurovascular supply of the vertebral column?
A) The vertebral bodies are supplied exclusively by the anterior and posterior spinal arteries. B) Venous drainage is to both internal (within the vertebral canal) and external venous plexuses. C) Zygapophyseal joints are supplied by medial branches of posterior rami of spinal nerves. D) Pain fibers from the ligamentum flavum are conveyed by (recurrent) meningeal branches of spinal nerves. E) Proprioceptive fibers from the anterior longitudinal ligament are conveyed by (recurrent) meningeal branches of spinal nerves.
Alkaloids produce the ________ taste sensation.
A. umami B. sour C. bitter D. salty E. sweet
Methadone is a drug given to treat heroin addicts. It works by binding to the same receptors as heroin but with greater affinity, thereby preventing heroin from binding. This is an example of
A. competition. B. down-regulation. C. signal transduction. D. agonistic behavior. E. up-regulation.