Psio 305 Exam Questions With Correct Answers

PSIO 305 EXAM QUESTIONS WITH
CORRECT ANSWERS
to |study |factors |that |affect |determination |of |the |ectoderm, |which |of |the |following |could |you |
do |to |get |a |DECREASE |in |volume |of |neural |tissue |in |the |developing |animal



-- |increase |the |release |of |nerve |growth |factor

-- |decrease |the |release |of |noggin

-- |increase |the |release |of |chordin

-- |decrease |the |release |of |bine |morphogenic |proteins |- |CORRECT |ANSWER✔✔--- |decrease |the |
release |of |noggin



which |of |the |following |is |a |special |piece |of |the |mesoderm |that |releases |neural |inducers?



-- |Spemann |organizer |

-- |neural |organizer

-- |bone |morphogenic |organizer

-- |differentiation |organizer |- |CORRECT |ANSWER✔✔--- |Spemann |organizer



bone |morphogenic |proteins |activate |which |pathway?



-- |calcium-calmodulin |pathway

-- |protein |kinase |A |pathway |

-- |neural |induction |pathway |

-- |Smad |pathway |- |CORRECT |ANSWER✔✔--- |Smad |pathway

,the |germ |layer |that |ultimately |gives |rise |to |skeletal |muscle |tissue |is |the |



-- |endoderm

-- |mesoderm

-- |ectoderm |- |CORRECT |ANSWER✔✔--- |mesoderm



myogenic |regulatory |factors |include |all |of |the |following |EXCEPT



-- |hepatocyte |growth |factor

-- |myogenic |determining |factor

-- |myogenic |factor |5

-- |myogenic |regulatory |factor |- |CORRECT |ANSWER✔✔--- |hepatocyte |growth |factor



which |is |the |correct |order |for |the |development |of |muscle |tissue?



-- |determination, |differentiation, |proliferation, |maturation

-- |differentiation, |determination, |proliferation, |maturation

-- |determination, |proliferation, |differentiation, |maturation

-- |differentiation, |proliferation, |determination, |maturation |- |CORRECT |ANSWER✔✔--- |
determination, |proliferation, |differentiation, |maturation



what |type |of |cells |sit |outside |the |sarcolemma |of |a |muscle |fiber |but |below |the |basement |
membrane |of |the |muscle |fiber |and |retain |their |ability |to |divide?



-- |myotubes

-- |myostatin |cells

-- |satellite |cells

, -- |myoblasts |- |CORRECT |ANSWER✔✔--- |satellite |cells



the |experiment |that |crossed |the |nerve |from |a |muscle |that |had |a |short |contraction |time |"a |
fast |muscle" |to |a |muscle |w/ |a |slower |contraction |profile |and |from |the |slower |muscle |to |the |
faster |muscle |demonstrated |that |the |nerve |or |activity |of |the |muscle |had |no |effect |on |
properties |of |the |muscle |fibers



-- |true |

-- |false |- |CORRECT |ANSWER✔✔--- |false



which |skeletal |muscle |fiber |type |requires |continuous |neural |input |or |activation |to |retain |its |
fiber |type |properties? |



-- |the |pattern |and |extent |of |activity |throughout |life |(type |of |exercise |one |does) |fast |twitch |
fibers

-- |slow |twitch |fibers |- |CORRECT |ANSWER✔✔--- |slow |twitch |fibers



nerve |growth |factor |binds |to |which |type |of |receptor?



-- |receptor |serine/threonine |kinase

-- |receptor |guanylyl |cyclase |

-- |receptor |tyrosine |kinase |

-- |receptor |tyrosine |phosphatases |- |CORRECT |ANSWER✔✔--- |receptor |tyrosine |kinase



a |Rube |Goldberg |device |does |which |of |the |following



-- |is |used |in |biochemistry |for |mixing |reagents

-- |is |a |type |of |statistical |approach |to |discern |if |an |effect |in |significant |in |physiology |