Nervous System Flashcards
What are the two main divisions of the nervous system?
The central nervous system (CNS) and the peripheral nervous system (PNS).
True or False: The central nervous system consists of the brain and spinal cord.
True.
Fill in the blank: The basic functional unit of the nervous system is the ______.
neuron.
What is the primary function of the brain?
To process information and coordinate bodily functions.
Which part of the brain is responsible for regulating balance and coordination?
The cerebellum.
Multiple Choice: Which of the following is NOT a function of the autonomic nervous system? A) Heart rate regulation B) Voluntary muscle movement C) Digestion regulation
B) Voluntary muscle movement.
What is the role of the spinal cord?
To transmit signals between the brain and the rest of the body.
True or False: The peripheral nervous system includes sensory and motor neurons.
True.
Fill in the blank: The ______ nervous system controls involuntary actions and regulates internal organs.
autonomic.
What are the two subdivisions of the autonomic nervous system?
The sympathetic nervous system and the parasympathetic nervous system.
Multiple Choice: Which of the following is primarily involved in the ‘fight or flight’ response? A) Parasympathetic nervous system B) Sympathetic nervous system C) Somatic nervous system
B) Sympathetic nervous system.
What type of neuron carries signals from sensory receptors to the CNS?
Sensory neurons.
True or False: Neurotransmitters are chemicals that transmit signals across synapses.
True.
What is the function of glial cells?
To support and protect neurons.
Fill in the blank: The ______ is the largest part of the brain and is responsible for higher brain functions.
cerebrum.
What part of the brain controls essential functions like breathing and heart rate?
The brainstem.
Multiple Choice: Which lobe of the brain is primarily responsible for processing visual information? A) Frontal lobe B) Occipital lobe C) Temporal lobe
B) Occipital lobe.
What is the term for the protective covering of the brain and spinal cord?
Meninges.
True or False: The blood-brain barrier protects the brain from harmful substances in the bloodstream.
True.
Fill in the blank: The ______ nervous system is responsible for voluntary control of skeletal muscles.
somatic.
What is the primary role of the hypothalamus?
To regulate homeostasis and control the endocrine system.
Multiple Choice: Which of the following is a function of the limbic system? A) Motor control B) Emotional regulation C) Visual processing
B) Emotional regulation.
What is the role of the corpus callosum?
To connect the left and right hemispheres of the brain.
True or False: Myelin sheath increases the speed of nerve impulse conduction.
True.
Fill in the blank: The ______ is responsible for forming new memories.
hippocampus.
What is the function of the thalamus?
To relay sensory information to the appropriate areas of the brain.
What are the 3 main types of neurone?
Sensory, relay, motor
What can change neurones and their connections?
Alcohol, drugs, accidents & disease.
What are 6 reflex actions in babies?
Rooting, Moro, startle, tonic neck, grasp, stepping.
The enteric nervous system is part of the automatic nervous system. True or false.
True.
Explain: Reflex actions.
Stimulus - receptor - sensory neurone - relay neurone - motor neurone - effector - response
