Which of the following is most responsible for detecting increases in H+ concentration?A) The medulla of the brainstemB) The peripheral chemoreceptorsC) The central chemoreceptorsD) The diaphragmE) The dorsal respiratory group
What will be an ideal response?
B, C
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Simple cuboidal epithelia are usually found in areas where secretion and absorption occur
Indicate whether the statement is true or false
Which statement about secretin is correct?
a. The most potent stimulus for its secretion is the presence of fat in the duodenum. b. It stimulates pancreatic enzyme secretion. c. It stimulates the secretion of bicarbonate. d. It stimulates the pancreatic acinar cells. e. None of the above
Which of the following is NOT true of glial cells?
A. They deliver fuel molecules to neurons and remove the waste products of metabolism. B. They are outnumbered 10 to 1 by neurons in the nervous system. C. They are important for the growth and development of the nervous system. D. They regulate the composition of the extracellular fluid in the CNS. E. They form the myelin for axons.
Sam is an accountant who is especially busy during tax season. By the end of each day he complains of shoulder stiffness and tightness as well as some upper back pain. What might be Sam's problem and how could he prevent the discomfort?
What will be an ideal response