Hondros Bio 253 Exam 2 V1 (New 2024/ 2024 Update) Questions And Verified Answers| 100% Correct| Graded A

Sensations {Ans: Molecules must dissolve in saliva Must flood taste poor On dry tongue (sugar and salt have little to no taste)}In the sensory systems, _________________ respond to stimuli by converting them into nerve impulses. {Ans: receptors}Mechanisms of synaptic transmission {Ans: - an action potential reaches a synaptic knob -voltage gated calcium channels on the synaptic knob open- ca2+ diffuse in -the increased calcium concentration triggers the release of neurotransmitters by the means of exocytosis}Hypoglossal CN12 {Ans: Somatic nerve fibers from proprioceptors in the muscles of the tongue}Each nerve fiber in the peripheral nervous system is surrounded by a connective tissue layer called the _______________. {Ans: endoneurium}cervical plexus {Ans: -located deep within the neck -made up of ventral rami of c1 through c4 and the branch of the ventral ramus of c5 - the phrenic nerve exits the cirvical plexus and innervates the diaphragm}