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Exam 4 review

QuestionAnswer
Which division of the nervous system consists of the brain and spinal cord? a) Somatic nervous system b) Peripheral nervous system c) Central nervous system d) Autonomic nervous system Central nervous system
Where is the central nervous system primarily located according to the lecture? a) Axial skeleton, dorsal cavity b) Appendicular skeleton, ventral cavity c) Appendicular skeleton, dorsal cavity d) Axial skeleton, ventral cavity Axial skeleton, dorsal cavity
According to the lecture, what structures are included in the peripheral nervous system? a) Only cranial nerves I-XII b) All nerves outside CNS c) Brain and spinal cord only d) Only spinal cord tracts All nerves outside CNS
In the pathway described, what is the main role of the central nervous system? a) Analyze input and decide response b) Secrete hormones into blood c) Carry signals directly to muscles d) Detect external stimuli in skin Analyze input and decide response
What do sensory neurons specifically do in this description? a) Contract skeletal muscle b) Carry information from CNS c) Produce myelin sheaths d) Carry information to CNS Carry information to CNS
What is the role of motor neurons as described in the passage? a) Carry signals toward CNS b) From glial support cells c) Detect light and sound d) Carry signals from CNS Carry signals from CNS
What key property of axons is emphasized in the lecture? a) Store excess calcium b) Conduct signals one way c) Read genetic messages d) Contain many centrioles Conduct signals one way
In this context, what is an effector? a) Structure and response b) Receptor and detects c) Glial cell that supports d) Neuron that initiates Structure and response
What structure is given as an example of a somatic effector? a) Cranial nerve ganglion b) Astrocyte glial cell c) Biceps brachii muscle d) Articular cartilage Biceps brachii muscle
Which division is responsible for voluntary movement you are consciously aware of? a) Somatic nervous system b) Sympathetic division c) Autonomic nervous system d) Parasympathetic division Somatic nervous system
Which statement about autonomic nervous system branches is accurate? a) Sympathetic is rest and digest b) Somatic system is fight or flight c) Parasympathetic is fight or flight d) Parasympathetic is rest and digest Parasympathetic is rest and digest
According to the lecture, what are the primary effectors of the parasympathetic and sympathetic systems? a) Cardiac, smooth, glands b) Skeleton, cardiac, skin c) Glands, skin, cartilage d) Skeleton, smooth, bone Cardiac, smooth, glands
Which type of nervous system cell is excitable as defined here? a) All epithelial cells b) Glial support cells c) All connective cells d) Neurons with axons Neurons with axons
Which statement about ion concentration at rest is correct according to the lecture? a) Potassium us equal everywhere b) Potassium is only in the nucleus c) Potassium is higher outside d) Potassium is higher inside Potassium is higher inside
When a sodium or calcium channel opens, how do these ions move as described? a) Into cell down gradient b) out of cell up gradient c) into cell using ATP d) Out of cell via pumps Into cell down gradient
What is a key feature of ion channels mentioned in the lecture? a) They transport proteins by bulk b) They always use cellular ATP c) They allow only passive transport d) They move ions against gradients They allow only passive transport
In what direction can a neuron send information along its axon? a) Only in one direction b) Freely in both directions c) Alternating back and forth d) Only toward the dendrites
What is the presynaptic cell in a synapse? a) The cell before the synapse b) The cell that is a muscle c) The cell inside the cleft d) The cell after the synapse
Created by: Samantha Rivera
 



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