Human Anatomy Quiz - Brain and Spinal Cord
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Questions and Answers

Which of the following is NOT a major part of the brain?

  • Cerebrum
  • Spinal Cord (correct)
  • Brainstem
  • Cerebellum

The phrenic nerve innervates the diaphragm, which is responsible for breathing.

True (A)

What is the likely diagnosis for Mae Stone, a 75-year-old female who experiences increasing forgetfulness, difficulty finding words, and poor temperature regulation?

Alzheimer's disease

The ______ enlargement of the spinal cord supplies nerves to the lower limbs.

<p>lumbar</p> Signup and view all the answers

Match the following spinal nerve plexuses to the region they primarily innervate:

<p>Cervical Plexus = Neck and shoulders Brachial Plexus = Arms and hands Lumbar Plexus = Lower back and legs Sacral Plexus = Pelvic region and legs</p> Signup and view all the answers

Which of the following is NOT a neurotransmitter?

<p>Insulin (B)</p> Signup and view all the answers

The cerebellum is responsible for higher-level cognitive functions such as language and memory.

<p>False (B)</p> Signup and view all the answers

What is the primary function of the spinal cord?

<p>The spinal cord serves as a pathway for nerve impulses to travel to and from the brain, connecting the brain to the peripheral nerves.</p> Signup and view all the answers

______ is a disease that affects the nervous system, leading to progressive loss of muscle control and tremors.

<p>Parkinson's Disease</p> Signup and view all the answers

Match the following brain structures with their respective functions:

<p>Cerebrum = Coordinates movement and balance Cerebellum = Controls basic life functions such as breathing and heart rate Brainstem = Responsible for higher-level cognitive functions such as thought, language, and memory</p> Signup and view all the answers

Which of the following is NOT a component of the central nervous system?

<p>Cranial nerves (D)</p> Signup and view all the answers

The autonomic nervous system controls voluntary muscle movements.

<p>False (B)</p> Signup and view all the answers

What are the two main divisions of the peripheral nervous system?

<p>Somatic and autonomic</p> Signup and view all the answers

The _____ nervous system is responsible for the "fight-or-flight" response.

<p>sympathetic</p> Signup and view all the answers

Match the following neuronal components with their functions:

<p>Dendrites = Receive signals from other neurons Axon = Transmits signals to other neurons or target cells Cell body (soma) = Contains the nucleus and other organelles Synapse = Junction between two neurons where signals are transmitted</p> Signup and view all the answers

Which part of a neuron transmits signals to other neurons or target cells?

<p>Axon (A)</p> Signup and view all the answers

The parasympathetic nervous system is responsible for increasing heart rate and blood pressure.

<p>False (B)</p> Signup and view all the answers

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Flashcards

Physiology of Neurons

Study of the function and processes of neurons in the nervous system.

Parts of the Brain

Six labeled parts of the brain and their respective functions.

Ascending and Descending Tracts

Pathways that carry signals to and from the brain within the spinal cord.

Phrenic Nerve

Nerve that innervates the diaphragm and controls breathing.

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Dermatomes

Areas of skin supplied by specific spinal nerves; important for diagnosing nerve damage.

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Neurotransmitters

Chemical messengers transmitting signals between neurons across synapses.

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Dopamine

A neurotransmitter associated with pleasure, reward, and movement coordination.

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Cerebrum

Largest brain structure responsible for thought, language, and memory.

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Cerebellum

Brain structure that coordinates movement and maintains balance.

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Alzheimer's Disease

A progressive disease affecting memory and cognitive function.

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Nervous System

A network of nerves and specialized cells that transmits signals.

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Central Nervous System (CNS)

Composed of the brain and spinal cord, it processes and responds to information.

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Peripheral Nervous System (PNS)

All nerves outside the CNS that connect it to the body.

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Somatic Nervous System

Controls voluntary movements; transmits signals to skeletal muscles.

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Autonomic Nervous System

Regulates involuntary functions like heartbeat and digestion.

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Sympathetic Nervous System

Prepares the body for 'fight-or-flight' responses during stress.

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Parasympathetic Nervous System

Promotes 'rest-and-digest' functions, slowing heart rate.

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Neurons

Specialized cells that transmit information using electrical and chemical signals.

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Study Notes

Station 1: Divisions of Nervous System

  • The nervous system is divided into Central Nervous System (CNS) and Peripheral Nervous System (PNS).
  • The CNS consists of the brain and spinal cord.
  • The PNS connects the CNS to the rest of the body.
  • The PNS is further divided into the somatic nervous system and the autonomic nervous system.
  • The somatic nervous system controls voluntary movements.
  • The autonomic nervous system controls involuntary functions like heart rate and digestion.
  • Within the autonomic nervous system there is the sympathetic nervous system and the parasympathetic nervous system.
  • The sympathetic nervous system arouses the body for activity while the parasympathetic nervous system calms the body to conserve energy.
  • The spinal cord connects the brain and the peripheral nervous system.

Station 2: Physiology of Neurons

  • Neurons are specialized cells that transmit information throughout the body.
  • Neurons communicate with each other using electrical and chemical signals.
  • Sensory neurons carry messages from the body to the CNS.
  • Motor neurons carry messages from the CNS to muscles and glands.
  • Interneurons connect sensory and motor neurons.
  • Spinal cord connects the brain to the peripheral nervous system.

Station 3: Brain Model

  • The document asks for the function of neurons in three diagrams (A, B, and C). It does not provide the diagrams themselves.
  • This station is about identifying different neuron types(A,B,and C).
  • The question asks to determine the type of neurons.

Station 4: Spinal Cord Cross Section

  • Understanding different spinal tract pathwya is crucial for comprehending the spinal cord.
  • Ascending tracts carry sensory information up to the brain.
  • Descending tracts carry motor commands down from the brain.

Station 5: Neurotransmitter Station

  • Neurotransmitters are chemical messengers that transmit signals between neurons.

Station 6: Drugs and Poison Effects

  • The station focuses on understanding how drugs and poisons impact brain activity.
  • Identifying types of drugs and their effects is important.

Station 7: Case Report

  • Mae Stone, a 75-year-old woman, exhibited increasing forgetfulness.
  • Neurological assessment showed difficulty finishing sentences and forgetting common words.
  • The case report suggests potential cognitive decline.
  • This station asks students to identify a likely diagnosis based on Mae's symptoms.

Station 8: Spinal Nerves and Plexus

  • The station covers different plexuses and spinal nerves.
  • Specific questions about damage to plexuses and the functions of nerves like the phrenic nerve (and innervation) and cauda equina are included.

Station 9: Cranial Nerves

  • The station is about labeling and describing the functions of six cranial nerves (Cranial nerve I through XII). Identifying function and type (sensory, motor, or mixed) of each is essential.

Station 10: Makeup Time

  • This station is a time for completing any missed questions.

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Nervous System Benchmark PDF

Description

Test your knowledge on the major parts of the brain and spinal cord anatomy! This quiz includes questions on nerve innervation, potential diagnoses for neurological symptoms, and spinal nerve plexuses. Perfect for students in anatomy courses or anyone interested in human body structures.

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