Pharm Autonomics W Exp Part 1

20 Questions | Total Attempts: 544

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Pharm Autonomics W Exp Part 1

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Questions and Answers
  • 1. 
    Match each effect with the activation of the appropriate receptor (each lettered option can be selected once, more than once, or not at all): Mydriasis
    • A. 

      Alpha-1

    • B. 

      Alpha-2

    • C. 

      Beta-1

    • D. 

      Beta-2

    • E. 

      Beta-3

    • F. 

      D-1

    • G. 

      D-2

    • H. 

      M2

    • I. 

      M3

    • J. 

      Nm

    • K. 

      Nn

  • 2. 
    Match each effect with the activation of the appropriate receptor (each lettered option can be selected once, more than once, or not at all): Increased gluconeogenesis
    • A. 

      Alpha-1

    • B. 

      Alpha-2

    • C. 

      Beta-1

    • D. 

      Beta-2

    • E. 

      Beta-3

    • F. 

      D-1

    • G. 

      D-2

    • H. 

      M2

    • I. 

      M3

    • J. 

      Nm

    • K. 

      Nn

  • 3. 
    Match each effect with the activation of the appropriate receptor (each lettered option can be selected once, more than once, or not at all): Selective dilation of renal vessels
    • A. 

      Alpha-1

    • B. 

      Alpha-2

    • C. 

      Beta-1

    • D. 

      Beta-2

    • E. 

      Beta-3

    • F. 

      D-1

    • G. 

      D-2

    • H. 

      M2

    • I. 

      M3

    • J. 

      Nm

    • K. 

      Nn

  • 4. 
    Match each effect with the activation of the appropriate receptor (each lettered option can be selected once, more than once, or not at all): Constriction of bladder internal sphincter
    • A. 

      Alpha-1

    • B. 

      Alpha-2

    • C. 

      Beta-1

    • D. 

      Beta-2

    • E. 

      Beta-3

    • F. 

      D-1

    • G. 

      D-2

    • H. 

      M2

    • I. 

      M3

    • J. 

      Nm

    • K. 

      Nn

  • 5. 
    Match each effect with the activation of the appropriate receptor (each lettered option can be selected once, more than once, or not at all): Decreased AV conduction
    • A. 

      Alpha-1

    • B. 

      Alpha-2

    • C. 

      Beta-1

    • D. 

      Beta-2

    • E. 

      Beta-3

    • F. 

      D-1

    • G. 

      D-2

    • H. 

      M2

    • I. 

      M3

    • J. 

      Nm

    • K. 

      Nn

  • 6. 
    Directions: questions 6-10 Match each effect with the blockade of the appropriate receptor (each lettered option can be selected once, more than once, or not at all): Mydriasis
    • A. 

      Alpha-1

    • B. 

      Alpha-2

    • C. 

      Beta-1

    • D. 

      Beta-2

    • E. 

      Beta-3

    • F. 

      D-1

    • G. 

      D-2

    • H. 

      M2

    • I. 

      M3

    • J. 

      Nm

    • K. 

      Nn

  • 7. 
    Match each effect with the blockade of the appropriate receptor (each lettered option can be selected once, more than once, or not at all): Decreased aqueous humor outflow
    • A. 

      Alpha-1

    • B. 

      Alpha-2

    • C. 

      Beta-1

    • D. 

      Beta-2

    • E. 

      Beta-3

    • F. 

      D-1

    • G. 

      D-2

    • H. 

      M2

    • I. 

      M3

    • J. 

      Nm

    • K. 

      Nn

  • 8. 
    Match each effect with the blockade of the appropriate receptor (each lettered option can be selected once, more than once, or not at all): Tachycardia
    • A. 

      Alpha-1

    • B. 

      Alpha-2

    • C. 

      Beta-1

    • D. 

      Beta-2

    • E. 

      Beta-3

    • F. 

      D-1

    • G. 

      D-2

    • H. 

      M2

    • I. 

      M3

    • J. 

      Nm

    • K. 

      Nn

  • 9. 
    Match each effect with the blockade of the appropriate receptor (each lettered option can be selected once, more than once, or not at all): Relaxation of bladder external sphincter
    • A. 

      Alpha-1

    • B. 

      Alpha-2

    • C. 

      Beta-1

    • D. 

      Beta-2

    • E. 

      Beta-3

    • F. 

      D-1

    • G. 

      D-2

    • H. 

      M2

    • I. 

      M3

    • J. 

      Nm

    • K. 

      Nn

  • 10. 
    Match each effect with the blockade of the appropriate receptor (each lettered option can be selected once, more than once, or not at all): Decreased intestinal peristalsis
    • A. 

      Alpha-1

    • B. 

      Alpha-2

    • C. 

      Beta-1

    • D. 

      Beta-2

    • E. 

      Beta-3

    • F. 

      D-1

    • G. 

      D-2

    • H. 

      M2

    • I. 

      M3

    • J. 

      Nm

    • K. 

      Nn

  • 11. 
    Which of the following fibers of the peripheral nervous system are short and unmyelinated?
    • A. 

      Postganglionic parasympathetic

    • B. 

      Postganglionic sympathetic

    • C. 

      Preganglionic parasympathetic

    • D. 

      Preganglionic sympathetic

    • E. 

      A alpha motor

    • F. 

      A beta sensory

  • 12. 
    Fibers of the sympathetic nervous system that utilize acetylcholine as postganglionic neurotransmitter innervate which of the following tissues/organs?
    • A. 

      Ciliary muscle

    • B. 

      Skeletal muscle

    • C. 

      Sweat glands

    • D. 

      Adrenal medulla

    • E. 

      Gastrointestinal sphincters

    • F. 

      Salivary glands

  • 13. 
    Which of the following is the predominant mechanism that terminates the action of the main neurotransmitter released by postganglionic adrenergic nerve endings?
    • A. 

      Metabolism by catechol-O-methyl-transferase

    • B. 

      Metabolism by monoamine oxidase

    • C. 

      Diffusion away from the synaptic cleft

    • D. 

      Metabolism by acetylcholinesterase

    • E. 

      Reuptake into the nerve ending

    • F. 

      Uptake by effector cells

  • 14. 
    Which of the following is a site where autonomic receptors are primarily Nn cholinergic?
    • A. 

      Celiac ganglion

    • B. 

      Gall bladder

    • C. 

      Sinoatrial node

    • D. 

      Vascular smooth muscle

    • E. 

      Lower esophageal sphincter

  • 15. 
    Which of the following effects is most likely mediated by the activation of peripheral postsynaptic beta-1 receptors?
    • A. 

      Coronary vasoconstriction

    • B. 

      Increased synthesis of angiotensin II

    • C. 

      Increased intestinal peristalsis

    • D. 

      Increased gluconeogenesis

    • E. 

      Decreased blood pressure

  • 16. 
    Which of the following is the predominant mechanism that terminates the action of the main neurotransmitter released by preganglionic nerve endings?
    • A. 

      Metabolism by choline acetyltransferase

    • B. 

      Metabolism by monoamine oxidase

    • C. 

      Diffusion away from the synaptic cleft

    • D. 

      Metabolism by acetylcholinesterase

    • E. 

      Reuptake into the nerve ending

    • F. 

      Uptake by effector cells

  • 17. 
    Which of the following actions most likely results from the activation of autonomic autoreceptors?
    • A. 

      Modulation of neurotransmitter release

    • B. 

      Inhibition of neurotransmitter reuptake

    • C. 

      Stimulation of enzyme synthesis

    • D. 

      Inhibition of enzyme synthesis

    • E. 

      Modulation of neurotransmitter storage

  • 18. 
    Which of the following is a site where autonomic receptors are primarily alpha-1 adrenergic?
    • A. 

      Bronchial muscle

    • B. 

      Sphincter muscle of iris

    • C. 

      Atrioventricular node

    • D. 

      Purkinje’s fibers

    • E. 

      Skin vessels

  • 19. 
    Which of the following is a site where autonomic receptors are primarily alpha-2 adrenergic?
    • A. 

      Salivary gland cells

    • B. 

      Ciliary muscle

    • C. 

      Detrusor muscle

    • D. 

      Skeletal muscle

    • E. 

      Platelets

  • 20. 
    Which of the following is a site where autonomic receptors are primarily beta-1 adrenergic?
    • A. 

      Gastric parietal cells

    • B. 

      Radial muscle of iris

    • C. 

      Internal sphincter of the bladder

    • D. 

      Juxtaglomerular cells

    • E. 

      Beta cells of the pancreas