Name the major excretory organs of the urinary system
A) kidneys
B) ureters
C) urinary bladder
D) urethra
E) adrenal gland
Answer: A) kidneys
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Sister chromatids ___________.
A) contain twice the normal amount of DNA. B) are found in cells called primary gametes. C) are found in cells called primary gametes, contain twice the normal amount of DNA, and occur during ovum formation. D) are found in cells called primary gametes and contain twice the normal amount of DNA. E) occur during ovum formation.
What you may not know is, turkeys (like most avian species) have BARORECEPTORS. What fun, allows us to apply some PHYS! Assuming blood pressure regulation by aortic baroreceptors in birds is operationally similar to what we see in humans (it is), how would Tom the Turkey's hemorrhage be expected to IMMEDIATELY affect the activity of his baroreceptors?
a. Tom's baroreceptors would increase their rate of firing to all medullary cardiovascular center cell types. b. Tom's baroreceptors would increase their rate of firing to cells in his medulla oblongata (i.e. the Cardiovascular Control Center). In turn, this would cause an increased sympathetic discharge to his heart and an increased parasympathetic discharge to his veins and arterioles. c. Tom's baroreceptors would decrease their rate of firing to cells in his medulla oblongata (i.e. the Cardiovascular Control Center). In turn, this would cause an increased sympathetic discharge to his heart as well as to his veins and arterioles. d. Tom's baroreceptors would decrease their rate of firing to cells in his medulla oblongata (i.e. the Cardiovascular Control Center). In turn, this would cause an increased parasympathetic discharge to his heart and an increased sympathetic discharge to both his veins and his arterioles. e. A hemorrhage would not affect the activity of Tom's barorecepto
If a person is severely dehydrated, their extracellular fluids will become hypertonic to the intracellular fluid. What do you predict will happen to the person’s cells?
A) The cells will lose water and shrink. B) The cells will rupture. C) Extracellular fluids do not impact cell size, because cells contain intracellular fluid. D) The cells will swell.
The chemical properties of an atom are determined by its ________
A) protons and neutrons B) neutrons C) electrons D) protons E) particles