Assume we could alter the conditions in the duodenum. Which of the following would be consistent with inserting a large volume of highly acidic chyme which contained a large amount of fat?(1) Decreased gastric acid secretion(2) Increased bile production(3) Increased pancreatic bicarbonate production and pancreatic enzyme secretion(4) Increased secretin and cholecystokinin
A. 1, 2, 3, 4
B. 1, 3, 4
C. 2, 3, 4
D. 1, 2, 3
E. 1, 2, 4
Answer: A
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Which group of muscles elevates the first two ribs and flexes and rotates the neck?
A) the spinalis B) the iliocostalis C) the scalenes D) the splenius
Thyroid hormone secretion decreases with age. Treatment with thyroid-releasing hormone is less effective in younger patients, while treatment with thyroid hormone is more effective in younger patients. What name is given to the condition of decreased thyroid hormone secretion? What related hormones are likely to decrease as well? Propose an explanation for the loss of responsiveness to the
releasing hormone. Propose an explanation for the increased responsiveness to treatment with thyroid hormone (consider both how hormones affect target cells and how hormone action is halted). What will be an ideal response?
Voltage-gated sodium channels have both an activation gate and a(n) ________ gate
A) inactivation B) ion C) swinging D) repolarization E) threshold
The process by which antibodies bind to specific sites on bacterial exotoxins (toxic chemicals secreted by bacteria) to block their harmful effects is called ________
A) agglutination B) chemotaxis C) complement fixation D) neutralization E) precipitation