Biology 235 midterm 2A Exam Questions With 100% Correct Answers
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Course
Biology 235
Institution
Biology 235
Biology 235 midterm 2A Exam Questions
With 100% Correct Answers
sacral plexus
- network formed by the roots (anterior rami) of spinal nerves L4-L5 and S1-S4
- supply lower limbs, buttock and perineum
- DIAGRAM?
TIP: sacral plexus with sciatic nerve look into it
what helps enhance sensitivity...
Biology 235 midterm 2 A Exam Questions With 100% Correct Answers sacral plexus - netwo rk formed by the roots (anterior rami) of spinal nerves L4-L5 and S1-S4 - supply lower limbs, buttock and perineum - DIAGRAM? TIP: sacral plexus with sciatic nerve look into it what helps enhance sensitivity in a receptor? DIAGRAM encapsulated nerve ending s zygomaticus major DIAGRAM draws angle of mouth superiorly and laterally (smiling) foliate papillae DIAGRAM located on lateral aspects of posterior tongue; question: degenerate in early childhood (gone by adulthood) central sulcus DIAGRAM separates fronta l and parietal lobes might be asked like this to identify on diagram What controls Heart Rate /Blood Pressure? DIAGRAM medulla oblongata sphenoid bone DIAGRAM forms part of the base of the skull and parts of the floor and sides of the orbit Where is the pituitary gland located? DIAGRAM hypophyseal fossa of the sella turcica of the sphenoid bone. (locate this) subarachnoid space DIAGRAM a space in the meninges beneath the arachnoid membrane and above the pia mater that contains the cerebrospina l fluid TIP: Which structures contain cerebrospinal fluid? Which of the structures listed below contains cerebrospinal fluid? a) Epidural space b) Subarachnoid space c) Dural space d) Meninx e) Pia mater Answer: b This is probably a diagram question crania l nerve for vision optic (II) nerve DIAGRAM tip: Where the nerve root for the optic nerve is located in the brain? pelvic splanchnic nerves - innervate part of large intestine, urinary bladder, ureters, reproductive organs - DIAGRAM!! urinary bladder diagr am (diagram about ANS - pelvic splanchnic nerves with the sacral spinal cord and the spinal nerve leading to the bladder), hypogastric plexus supplies pelvic viscera DIAGRAM? lever rigid structure that can move around a fixed point called a fulcrum. - A lev er is acted on and at 2 different points by two different forces: effort and load effort - force which causes movement, - force exerted by muscular contraction load - force which opposes movement - typically the weight of the body part that is moved or som e resistance that the moving body part is trying to overcome, such as the weight of a book when picking it up when will motion in a muscle occur? Motion occurs when the effort applied to to the bone at the insertion exceeds the load. Motion will occur in a muscle when the ___ supplied exceeds the ___. a) effort, load b) resistance, lever c) load, effort d) load, resistance e) lever, effort Answer a prime mover aka agonist - muscle that contracts to cause an action , - while the other muscle the antagonist stretches and yields to to the effects of the prime mover ex: biceps branchi is the agonist and triceps branchi is the antagonist when flexing the arm The muscle that serves as the "prime mover" during a movement is called the a) antagonist b) agonist c) synergist d) asynergist e) fixator Answer b
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