T2 L5: Autonomic Pathways (AD)

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

Which part of the autonomic nervous system is responsible for preparing the body for action or running away?

  • Sympathetic division (correct)
  • Cranial pump
  • Parasympathetic division
  • Sacral part

What is the function of the parasympathetic division of the autonomic nervous system?

  • Resting and digesting (correct)
  • Preparing the body for action or running away
  • Conserving metabolic resources
  • Using metabolic resources

Which part of the brain is the main autonomic sensor?

  • Amygdala
  • Temporal lobe
  • Hypothalamus (correct)
  • Hippocampus

Where does the sympathetic division of the autonomic nervous system originate?

<p>Thoracic spinal cord (A)</p> Signup and view all the answers

What is the main neurotransmitter in the sympathetic division?

<p>Noradrenaline (C)</p> Signup and view all the answers

What type of receptors does noradrenaline bind to in the sympathetic division?

<p>Adrenergic receptors (D)</p> Signup and view all the answers

Which receptor subtype is targeted by an alpha one antagonist to treat hypertension?

<p>Alpha one receptor (A)</p> Signup and view all the answers

What is the main neurotransmitter in the parasympathetic division?

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

What are the three types of tissues that the autonomic nervous system controls?

<p>Smooth muscle, cardiac muscle, and glands (B)</p> Signup and view all the answers

Who coined the phrase 'fight or flight' to describe the sympathetic nervous system?

<p>Walter Cannon (C)</p> Signup and view all the answers

What is the main function of the autonomic nervous system?

<p>Control internal organs (B)</p> Signup and view all the answers

How many types of nervous systems are included in the autonomic nervous system?

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

Which muscles support the eye in Haulier syndrome?

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

What structures does the sympathetic thoracic supply provide to?

<p>Heart and lungs (D)</p> Signup and view all the answers

What structures do the lumbar and sacral sympathetic supply provide to?

<p>Abdominal organs and pelvic organs (B)</p> Signup and view all the answers

What does the parasympathetic supply to the heart do?

<p>Slows it down (A)</p> Signup and view all the answers

What is the purpose of the sympathetic trunk in the cervical region?

<p>To provide sympathetic supply to structures in the head (B)</p> Signup and view all the answers

What is the function of the cervical ganglia?

<p>To provide sympathetic supply to structures in the head and upper limbs (C)</p> Signup and view all the answers

What is the effect of disruption to the sympathetic cervical supply to the head?

<p>Dilated pupil and drooping eyelid (B)</p> Signup and view all the answers

What is Horner's syndrome?

<p>A disruption to the sympathetic cervical supply to the head (B)</p> Signup and view all the answers

Which region of the spinal cord do the cell bodies of the pre-ganglionic neurons in the sympathetic system originate from?

<p>Thoracic region (D)</p> Signup and view all the answers

What is the function of the sympathetic nervous system in animals such as dogs, cats, and wolves?

<p>To regulate body temperature (B)</p> Signup and view all the answers

What is the role of the white ramus communicans in the sympathetic system?

<p>To connect the sympathetic trunk to the spinal nerve (D)</p> Signup and view all the answers

What is the reason for the concurrent activation of multiple ganglia in the sympathetic trunk?

<p>To achieve widespread activation of the sympathetic nervous system (C)</p> Signup and view all the answers

Which of the following is NOT supplied solely by the sympathetic deficient abdominal pelvic organs?

<p>Muscle skeletal system (C)</p> Signup and view all the answers

What effect does having lots of air in the lungs or less air in the lungs have on the bronchi?

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

What effect does reducing sweating have on the body?

<p>It decreases sweating (A)</p> Signup and view all the answers

Which of the following is an exception to the rule that the sympathetic deficient abdominal pelvic organs supply the sweat glands, hair follicles, and blood vessels?

<p>Erectile tissues (C)</p> Signup and view all the answers

Which of the following is NOT supplied by a parasitic supply?

<p>Muscle skeletal system (B)</p> Signup and view all the answers

What effect does having the hair follicles off have on the body?

<p>No effect (B)</p> Signup and view all the answers

Which part of the autonomic nervous system is responsible for involuntary responses to embarrassment and fear?

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

Which region of the spinal cord does the sympathetic component of the parasympathetic division originate from?

<p>Thoracic spinal cord (A)</p> Signup and view all the answers

Which region of the spinal cord does the parasympathetic component of the parasympathetic division originate from?

<p>Sacral spinal cord (D)</p> Signup and view all the answers

Which neurotransmitter is primarily released within autonomic ganglia?

<p>Acetylcholine (C)</p> Signup and view all the answers

Which neurotransmitter is the main postganglionic sympathetic neuronal transmitter?

<p>Noradrenaline (C)</p> Signup and view all the answers

Which receptor subtype is primarily targeted by alpha-1 antagonists to treat hypertension?

<p>α1 (D)</p> Signup and view all the answers

Which receptor subtype is primarily targeted by beta-1 antagonists to treat hypertension?

<p>β1 (B)</p> Signup and view all the answers

Which part of the nervous system is responsible for the regulation of the internal organs and maintenance of the internal environment?

<p>Enteric nervous system (C)</p> Signup and view all the answers

Which division of the autonomic nervous system is responsible for the fight or flight response?

<p>Sympathetic division (D)</p> Signup and view all the answers

Which division of the autonomic nervous system is responsible for conserving metabolic resources during resting?

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

Which part of the brain is the main autonomic center?

<p>Hypothalamus (C)</p> Signup and view all the answers

Which descending fibers innervate parasympathetic preganglionic neurons in the cranial nerve nuclei?

<p>Fibers from the medulla (A)</p> Signup and view all the answers

Which descending fibers innervate sympathetic and parasympathetic preganglionic neurons in the spinal cord?

<p>Fibers from the medulla (C)</p> Signup and view all the answers

Which higher centers provide inputs to the autonomic nuclei in the hypothalamus?

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

Which division of the autonomic nervous system is responsible for dilating pupils and reducing glandular secretions?

<p>Parasympathetic division (D)</p> Signup and view all the answers

Which ganglia supply the head, upper limbs, and heart in the cervical sympathetic system?

<p>Stellate ganglion (D)</p> Signup and view all the answers

What is the clinical condition caused by a disruption of the sympathetic supply to the head?

<p>Horner's syndrome (B)</p> Signup and view all the answers

Where do the postganglionic fibers of the cervical sympathetic system exit to supply the upper limbs?

<p>Via grey rami communicantes to spinal nerves (D)</p> Signup and view all the answers

Which ganglion is formed by the fusion of the inferior cervical and first thoracic ganglia in the cervical sympathetic system?

<p>Stellate ganglion (C)</p> Signup and view all the answers

What effect does disruption to the sympathetic cervical supply to the head have?

<p>All of the above (D)</p> Signup and view all the answers

What is the ratio of preganglionic neurons to postganglionic neurons in the sympathetic system?

<p>1:20 (B)</p> Signup and view all the answers

Which ganglia supply the thorax, heart, lungs, and abdominal viscera?

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

Through which fibers do the postganglionic fibers exit to reach the spinal nerves?

<p>Grey rami communicantes (B)</p> Signup and view all the answers

Which fibers form the prevertebral plexus around the abdominal viscera?

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

Which ganglia supply the abdominal and pelvic viscera and lower limb?

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

Through which fibers do the preganglionic fibers exit to reach the abdomen?

<p>Lumbar splanchnic nerves (A)</p> Signup and view all the answers

Which cranial nerve is associated with the superior salivatory nucleus?

<p>CN 7 – Facial nerve (C)</p> Signup and view all the answers

Which cranial nerve is associated with the inferior salivatory nucleus?

<p>CN 9 – Glossopharyngeal nerve (D)</p> Signup and view all the answers

Which region of the spinal cord do the cell bodies of the preganglionic neurons in the sympathetic system originate from?

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

Which part of the autonomic nervous system regulates muscle contraction in the gastrointestinal tract?

<p>Auerbach’s plexus (C)</p> Signup and view all the answers

Flashcards are hidden until you start studying

Related Documents

More Like This

Autonomic Nervous System Quiz
58 questions

Autonomic Nervous System Quiz

UserFriendlyLapSteelGuitar9305 avatar
UserFriendlyLapSteelGuitar9305
Autonomic Nervous System Overview
10 questions
Use Quizgecko on...
Browser
Browser