Asu Bio 181 Exam 3 Latest Actual Exam 73 Questions And Correct Detailed Answers With Rationales (Verified Answers) |already Graded A+

Excitatory synapses cause hyperpolarization of post-synaptic cells. {Ans: false}Vitamin D is synthesized from cholesterol {Ans: True}Unlike other epithelia the epithelia that make up the capillaries have holes in them called fenestrations. {Ans: True}Acetylcholine exocytosed from the presynaptic cell travels to the postsynaptic cell to start the action potential in the postsynaptic cell. {Ans: true}The neural tissues are: a. Spinal cord, sensory neurons, and cell body b. Spinal cord, sensory neurons, and brain c. Brain, and sensory neurons d. Pituitary and hypothalamus e. None of the above {Ans: Spinal cord, sensory neurons, and brain}In the proximal convoluted tubule useful molecules are collected and brought back into the circulatory system such as glucose and amino acids, but not the toxic materials. {Ans: True}In the motor end plate, the event that is the immediate trigger for exocytosis is: {Ans: Calcium Ions}Veins and venueles have valves in them, but arteries and arterioles do not. {Ans: True}Oxygen is distributed throughout the body by: The immune system. The circulatory system. The endocrine system. The digestive system. The excretory system. {Ans: The circulatory system.}The blood flow slows down in the capillaries because the increased total area of the