The body's response to sudden hypotension may include
A. constriction of veins and arterioles.
B. decreased heart rate.
C. dilation of arterioles.
D. renal excretion of water.
Answer: A
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Which of the following is NOT a function of the liver as regards glucose homeostasis?
a. secreting ketone bodies in response to excess plasma glucose levels b. storing glycogen when excess glucose is available c. releasing glucose when plasma glucose levels drop d. converting organic chemicals like amino acids into glucose via gluconeogenesis e. All of these are functions of the liver relating to glucose homeostasis.
Describe the pathway by which substances from the blood enter the nephron.
What will be an ideal response?
Which of the following is not true of the muscular system?
A) It depends upon calcium stored and released from the skeletal system. B) It depends upon calcitonin and parathyroid hormone levels to maintain calcium homeostasis. C) It depends upon the integumentary system to protect muscles. D) It depends upon the cardiovascular system to provide the hemoglobin stored in slow muscle fibers. E) It depends upon the nervous system to stimulate skeletal muscle tissue to contract.
A DNA base sequence is A T G C C G. The sequence of bases in a strand of mRNA transcribed from this sequence of bases in DNA would be
A. U T C G G U. B. U A C G G C. C. T A G G G G. D. T A C G G C. E. A U G C C G.