BIOD152 A&P 2 -Portage Learning Final Exam Questions with Verified Answers

Fill-in-the-blanks: The circuit of the PLUMONARY heart sends deoxygenated blood to the lungs to be oxygenated, while the SYSTEMIC circuit sends the oxygenated blood from the heart to the cells of the body - ANSWERSPlumonary, systemic the neuron pictured below, is best described as - ANSWERSmultipolar true or false, explain why the state is false : Bipolar neurons have a central cell body with two extensions - ANSWERStrue List the phases of an action potential in order - ANSWERS1. resting potential 2. depolarization arizarion ng condition true or false , if false explain why the statement is false: the central nervous system consists of the brain and spinal cord - ANSWERStrue name and describe what is occurring in the neurocell membrane in section 2 of the diagram. include the charge of the membrane during this phase - ANSWERSdeprivation, sodium gates are opened and the sodium floods into the axon admits the depolarization of the action potential, causing the charge voltage to go from 0 to +40 mV This part of a reflex is inside the CNS, made up of one or more synapses. - ANSWERSintegration center match the following lobes of the brain with the correct function - ANSWERStemporal - contains sensory areas for hearing and smelling frontal- contain higher levels ex.. pariteal - receives sensory info from body receptors occipital - interprets visual input which of the following structures of the spinal cord contains the cell bodies of afferent neurons - ANSWERSdorsal root ganglion what is true about the flexor withdrawl reflex - ANSWERSA&d (IT DOES NOT INVOLVE INTERNEURONS & THE EFFECT OF THE REFLEX IS TO CREATE A CO-CONTRACTION OF 2 MUSCLES Label the nerves (A-C) in the figure below: A: _________________ B: _________________ C: _________________ - ANSWERSa. lateral femoral cutaneous b- femoral nerve c. saphenous which of the following is most likely a symptom of ASL - ANSWERSimpaired ability to swallow describe the function of the parasympathetic nervous system - ANSWERSaka the housekeeper system because it promotes all of the internal responses in the relaxed state. Parasympathetic stimulation causes the pupil of the eye to get smaller and aids the lenses of the eyes to focus on close items. it helps with the digestion of food and also helps with the beating of the heart and slowing it which of the following visual conditions is caused by damage to the abducens nerve? - ANSWERSdiplopia what is the purpose of the blood brain barrier? describe its maintenance from a cellular level - ANSWERSit is a diffusion barrier that helps in the prevention of unneeded materials that attack the CNS by keeping the brain and spinal cord away from the general blood bank.It is composed of the gilal cells astrocytes and its pertinent for regulation to be able to keep a homestatis which aids in protecting the neurons a pt is unable to extend his left wrist or fingers. what nerve is most likely damaged ? - ANSWERSradial nerve explain the main steps in the process of hearing - ANSWERS1.) sound waves are funneled through the external auditory Canal which causes the eardrum to vibrate 2. the vibrations go into the ossicles and push against the fluids inside the cochlear duct. the movement of the fluid causes the stereocilla in the organ of court to move as neurons are stimulated to send impulses through the cochlear nerve to the primary auditory cortex of the temp lobe which cell serves as stem cells in the gustatory system that divide and differentiate into new supporting cells then form new gustatory cells - ANSWERSbasal cells fill in the blanks: the two upper receiving chambers of the heartier called the ___, while the two lower pumping chambers are called the - ANSWERSratio , ventricles which of the following is not a type of granulocyte - ANSWERSb-cells describe how memories are stored and retrieved in the brain. include a specific brain region. - ANSWERSthe amygala and the involvement of the limbic system explains why emotionally charged events and occurrences cause our most vivid memories. the limbic system communicates with all the sensory areas and is responsible for the ability of a sensory stimulus to create a complex memory