Biod 152 anatomy and physiology for final exam final 2
Question 1
pts
The neuronpictured,below,is bestdescribedas:
, Correct!
Bipolar
It hastwoextensionsfromthecentralcell body.
Multipolar
Unipolar
Pseudounipolar
Question 2
Not yet graded / 10 pts
Nameand describewhatis occurringin theneuroncell membranein section2 of the diagram. Include the
charge of the membrane during this phase.
, ● Depolarization: Thesodiumgates openand sodiumrushesinto theaxonduring
thedepolarizationphaseof theactionpotential.
● Voltagetravelspastzeroand thenon up to +40 mV.
Question 3
Not yet graded / 4 pts
Whereis theintegrationcenterof a reflexlocated?
CNS (centralnervoussystem)
, Question 4
pts
What is falseaboutthe flexorwithdrawalreflex?
A. It doesnot involveinterneurons.
B. It involvesexcitatoryinterneurons.
C. It involvesinhibitoryinterneurons.
D. The effect ofthereflexis to createa co-contractionof twomuscles
Correct!
E. A&D
F. B&C
Question 5
Not yet graded / 10 pts
Label thenerves(A-C) in thefigurebelow:
Question 1
pts
The neuronpictured,below,is bestdescribedas:
, Correct!
Bipolar
It hastwoextensionsfromthecentralcell body.
Multipolar
Unipolar
Pseudounipolar
Question 2
Not yet graded / 10 pts
Nameand describewhatis occurringin theneuroncell membranein section2 of the diagram. Include the
charge of the membrane during this phase.
, ● Depolarization: Thesodiumgates openand sodiumrushesinto theaxonduring
thedepolarizationphaseof theactionpotential.
● Voltagetravelspastzeroand thenon up to +40 mV.
Question 3
Not yet graded / 4 pts
Whereis theintegrationcenterof a reflexlocated?
CNS (centralnervoussystem)
, Question 4
pts
What is falseaboutthe flexorwithdrawalreflex?
A. It doesnot involveinterneurons.
B. It involvesexcitatoryinterneurons.
C. It involvesinhibitoryinterneurons.
D. The effect ofthereflexis to createa co-contractionof twomuscles
Correct!
E. A&D
F. B&C
Question 5
Not yet graded / 10 pts
Label thenerves(A-C) in thefigurebelow:
