Nervous System Branches

Which of the following best describes the primary function of the somatic nervous system?

What is the main role of the autonomic nervous system?

Which of the following actions is primarily controlled by the somatic nervous system?

The central nervous system (CNS) performs which primary function?

What is the role of the peripheral nervous system (PNS)?

Which of the following is NOT a function controlled by the autonomic nervous system?

What type of information do sensory nerves transmit to the central nervous system?

Motor neurons transmit messages away from the CNS to:

Voluntary control of skeletal muscles is primarily associated with which division of the nervous system?

Which of the following best describes the interaction of the autonomic nervous system?

What role do glands and organs play in the central nervous system?

Which division of the nervous system is primarily responsible for regulating heart rate, respiration, and digestion?

If a person touches a hot stove and quickly pulls their hand away, which component of the nervous system is primarily responsible for the rapid muscle movement?

What is the functional difference between sensory nerves and motor neurons in the somatic nervous system?

In the context of the nervous system, what does 'efferent' refer to?

What is the function of sensory nerves?

Which of the following functions is regulated by the somatic nervous system?

Which part of the nervous system transmits signals from sensory receptors to the CNS?

What is the primary function of motor neurons in the somatic nervous system?

The somatic nervous system is MOST directly involved in:

Which feature distinguishes the somatic nervous system (SNS) from the autonomic nervous system (ANS) in terms of neural pathways?

How do the sympathetic and parasympathetic branches of the autonomic nervous system interact to maintain internal balance?

What is the MOST likely response of the parasympathetic nervous system during a period of rest?

Which type of tissue is NOT directly innervated by the autonomic nervous system?

In emergency situations, the sympathetic nervous system prepares the body for 'fight or flight'. Which physiological response is LEAST likely to occur?

How does the autonomic nervous system (ANS) help in maintaining the body's internal balance?

Which of the following is MOST indicative of sympathetic nervous system activation?

What is the primary function of the parasympathetic nervous system?

What is the functional consequence of the ANS being purely motor (efferent) with some sensory nerves from the viscera?

How does the structure of neural pathways differ between the SNS and the ANS, and what is the functional significance of this difference?

Consider a scenario where a person is startled by a loud noise. How would the nervous system orchestrate the initial response?

Which scenario BEST exemplifies the coordinated action of the sympathetic and parasympathetic nervous systems?

In what way do the functions of the sympathetic and parasympathetic nervous systems relate to the concept of homeostasis?

How does the autonomic nervous system regulate functions such as heart rate, airway diameter, and digestion?

What distinguishes the types of target organs innervated by the SNS compared to the ANS?

How would the body likely respond if the parasympathetic nervous system was significantly more active than the sympathetic nervous system?

Which of the following actions would MOST engage the sympathetic nervous system?

What is a key structural difference between the sympathetic and parasympathetic branches of the autonomic nervous system?

Considering that the autonomic nervous system (ANS) innervates smooth muscle, cardiac muscle, and glands, which of the following processes does it directly influence?

How does the two-neuron chain in the ANS, synapsing at an intermediate ganglion, contribute to its function?

Which of the following adrenergic receptor types is MORE selective for noradrenaline?

Which of the following is a typical effect of activating alpha-1 receptors?

What is the primary neurotransmitter released by postganglionic sympathetic nerves?

Stimulation of which adrenergic receptor type is MOST associated with increasing heart rate and heart beat strength?

Which of the following neurotransmitters is released by preganglionic sympathetic nerves?

Where are sympathetic ganglia typically located, relative to the spinal cord?

Which of the following describes the typical effects of Beta-2 (β2) receptor activation?

What neurotransmitter binds to nicotinic acetylcholine receptors on postganglionic neurons of the sympathetic nervous system?

What is the correct order of signal transmission in the sympathetic nervous system?

What is the effect of activating alpha-2 (α2) receptors in the gut?

Which of the following effects is associated with activation of Beta-3 (β3) receptors?

What type of hormones are released by the adrenal medulla, upon stimulation by preganglionic sympathetic neurons?

Which of the following is a characteristic of sympathetic ganglia?

How does the selectivity of adrenergic receptors differ? (α vs β)

What is generally the impact on blood vessels when Alpha (α1 + α2) adrenergic receptors are activated?

Which of the following is the MOST likely outcome of Beta-2 (β2) receptor activation?

Upon stimulation by preganglionic sympathetic neurons, what hormones does the adrenal medulla secrete?

In the ANS layout, where does the preganglionic cell body originate?

Which part of the Adrenal Medulla functions as a sympathetic ganglion?

What are the two main classes of adrenergic receptor?

Which cranial nerve function is associated with parasympathetic nerve fibers?

What physiological response is mediated by parasympathetic stimulation of sacral nerves?

Where are parasympathetic ganglia typically located in relation to their target organs?

What type of receptor does acetylcholine (ACh) bind to on the postganglionic neuron in the parasympathetic nervous system?

What effect does stimulation of muscarinic M3 receptors have on the body in the parasympathetic nervous system?

Which neurotransmitter is released by postganglionic parasympathetic nerves to act on target tissues?

What is the effect of parasympathetic stimulation on salivary glands?

What effect does stimulating muscarinic M2 receptors have?

Where does the preganglionic neuron of the parasympathetic nervous system originate?

Which cranial nerves carry parasympathetic fibers?

Upon activation by acetylcholine, what type of changes will occur on the CNS due to the M1 receptors?

During activation of the parasympathetic pathway via the vagus nerve, which organs in the thoracic and abdominal cavities are affected?

Which of the following is the MOST specific effect mediated by the sacral nerves?

Which of the following best describes the functional relationship between nicotinic receptors and muscarinic receptors in the parasympathetic nervous system?

How does the structure of the parasympathetic nervous system allow for localized control of target organs?

A patient is experiencing decreased gastrointestinal motility. Which type of muscarinic receptor might be targeted therapeutically to address this issue?

Which division of the parasympathetic nervous system decreases heart rate?

How does the parasympathetic innervation of sacral nerves regulate bladder and lower gastrointestinal tract to control micturition and defaecation?

What is the impact of activation of muscarinic receptors on the pupil of the eye?

Which scenario below indicates activation of the parasympathetic nervous system?