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Midterm review • Which of these junctions represents the connection between the tip of a neuron and a skeletal muscle cell from which acetylcholine diffuses? • A) Gap • B) Tight • C) Neuromuscular • D) Motor unit • What is released by motor neurons to stimulate a contraction? • A) Myosin • B) Acetylcholine • C) Dopamine • D) Calcium Ch 7- Neurons Chapter 8- The nervous system Chapter 9- Senses • Which of the following can be defined as an area located within the eye, from which the optic nerves emerge, that lacks photoreceptors? • A) Optic area • B) Blind spot • C) Retina • D) Cornea • Which of the following is not detected with a special sense? • A) Temperature • B) Balance • C) Smell • D) Hearing Chapter 10- The endocrine cystem • This type of hormone characteristically requires a second messenger. • A) Lipid-soluble • B) Steroid • C) Water-soluble • D) Prostaglandins • Which hormone causes glucose levels to increase in the blood stream by influencing the liver to convert glycogen to glucose? • A) Thyroxin • B) Adrenaline • C) Glucagon • D) Insulin
