(Answer Guide) NURS 6630 week 1 knolwedge check

 Quiz: 6630 week 1 knolwedge check

Question 1 (1 pt)   To which family does the nicotinic Ach receptor belong?

  • Ionotropic glutamate receptors
  • N-methyl-D-aspartate receptor
  • GABAA receptors
  • ATP-gated channels
  • The Cys-loop superfamily of ionotropic receptors

Question 2 (1 pt)

What condition is necessary for ion channels to work?

  • A stable electrochemical voltage
  • A decreased electrochemical voltage
  • A concentration gradient
  • Changes in osmolarity
  • The correct number of receptors

Question 3 (1 pt)

Which of the following statements regarding histone modification is FALSE?

  • Winding DNA around histones makes it more expressible
  • Histone modification is a post-translational modification.
  • Histone modifications are heritable.
  • Acetylation of histone is a type of histone modification.
  • Methylation of histone is a type of histone modification.

Question 4 (1 pt)

A nicotinic acetylcholine receptor located in an autonomic ganglion is opened by which of the following mechanisms?

  • Stretch-activated
  • Insertion into an intracellular receptor
  • Voltage-gated
  • Ligand-gated
  • Osmolality-activated

Question 5 (1 pt)

What does the binding of epinephrine by a G-protein coupled receptor (GPCR) do?

  • Stimulates the phosphatase activity of protein kinase A.
  • Causes the α-subunit of a G-protein to become activated with GDP.
  • Results in the production of cAMP by adenylate cyclase.
  • Decreases the levels of cAMP.

Question 6 (1 pt)

Which part of the limbic system mediates changes to the autonomic nervous system in response to emotion?

  • Amygdala
  • Hypothalamus
  • Cingulate gyrus
  • Caudate
  • Prefrontal cortex

Question 7 (1 pt)

Which of the following is NOT a component of a neuron?

  • Soma
  • Nissl substance
  • Glia
  • Dendrite
  • Axon

Question 8 (1 pt)

Which part of the brain is affected in expressive aphasia?

  • Dominant frontal lobe
  • Non-dominant temporal lobe
  • Non-dominant frontal lobe
  • Dominant temporal lobe
  • Non-dominant inferior parietal lobe

Question 9 (1 pt)

Which of the following statements is NOT true?

  • Norepinephrine is the main neurotransmitter released by postganglionic fibers of the sympathetic nervous system.
  • Acetylcholine can be a neurotransmitter released by postganglionic fibers of the sympathetic nervous system.
  • Acetylcholine is the only neurotransmitter released by the preganglionic fibers of the parasympathetic nervous system.
  • Acetylcholine is the neurotransmitter released by postganglionic fibers of the parasympathetic nervous system.
  • Epinephrine is the only neurotransmitter released by postganglionic fibers of the sympathetic nervous system.

Question 10 (1 pt)

Which of the following combinations of synapses is NOT correct?

  • CN IX—otic ganglion
  • CN X—pterygopalatine ganglion
  • Splanchnic nerves—terminal ganglia of the hindgut and pelvic viscera
  • CN VII—submandibular ganglion
  • CN III—ciliary ganglion

More resources on this course

Answer Guide: 6630 week 1 knolwedge check

Question 1 (1 pt)

To which family does the nicotinic Ach receptor belong?

  • Ionotropic glutamate receptors
  • N-methyl-D-aspartate receptor
  • GABAA receptors
  • ATP-gated channels
  • The Cys-loop superfamily of ionotropic receptors (Correct Answer)….Unlock the Full Solution Now – Click to Get All Answers!”

    6630 week 1 knolwedge check