Which vessels have the thickest tunica media?
A) Small veins
B) Large veins
C) Capillaries
D) Small arteries
E) Large arteries
E
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Nerve fibers scattered throughout the dermis are associated with
A. muscles, glands, and sensory receptors. B. bone, tendons, and muscles. C. fingernails and toenails. D. hair, melanocytes, and pores.
Insulin is secreted from the pancreatic islets of Langerhans in response to elevated levels of glucose in the blood plasma. The effect of insulin is to stimulate cells to take up glucose (out of the plasma), resulting in decreased plasma glucose levels. This system is an example of the physiological principle of
a. homeostasis. b. homeothermy. c. home remedy. d. homeopathy. e. digestion.
What digestive functions would be affected by the removal of the pancreas from a patient with pancreatic cancer?
a) Removal of the pancreas would severely impact chemical digestion because the pancreatic juices contain multiple digestive enzymes needed to digest all types of nutrients. b) Removal of the pancreas will severely impact the detoxification of substances produced by the body and those that we eat and drink that can be harmful to the body. c) Removal of the pancreas would not allow the duodenum to secrete the hormones secretin and CCK into the blood to digest lipids and proteins. d) Removal of the pancreas will eliminate the release of bile from the pancreas and hinder the digestion and absorption of lipids and excretion of wastes that the kidney cannot excrete
Is it ethical to commercialize and sell eggs and sperm for reproduction?
What will be an ideal response?