What chemical agent causes an explosive release of ACh?
a. botulinum toxin
b. curare
c. organophosphates
d. black widow spider venom
e. malathion
d
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Myoglobin is a molecule within muscle cells that can bind
A. creatine phosphate. B. oxygen. C. hemoglobin. D. acetylcholine. E. ATP.
Arteries supplying the same territory are often merged with one another, forming arterial anastomoses
Indicate whether the statement is true or false
Cells and transport proteins are physically prevented from passing through the filtration membrane. This has the following effect on filtration
A) decreased osmotic pressure in the filtrate that increases the amount of filtration B) increasing osmotic pressure in the glomerular capillaries that reduces the amount of filtration C) neutral change in osmotic pressure with no effect on filtration D) increased osmotic pressure in the filtrate the draws plasma through the membrane
Define endocrine system
A) The endocrine system includes organs whose primary role is the production of hormones or paracrines. B) The endocrine system includes organs whose primary role is the initiation and propagation of electrical impulses. C) The endocrine system includes organs whose primary role is the cleaning of blood. D) The endocrine system includes organs whose primary role is the digestion and absorption of nutrients. E) The endocrine system includes organs whose primary role is the transport of gases, nutrients, and wastes around the body.