BIO252 - Comprehensive Exam Review with well-
reviewed questions and revised answers
which of the following events will occur when A depolarizing graded potentials reach the membrane of
the axon hillock , causing its membrane potential to reach threshold ? - CORRECT ANSWERS-Voltage -
gated Na channels open rapidly
Which type of synapse involves the secretion of a neurotransmitter across the synapse to stimulate the
post - synaptic cell ? - CORRECT ANSWERS-Chemical
First class lever - CORRECT ANSWERS-Question is about lifting weights with friends
The Sarcoplasmic reticulum stores ? - CORRECT ANSWERS-calcium
Blinking the eyelid - CORRECT ANSWERS-Tissue not a part of the skeletal muscle
Spatial Summation - CORRECT ANSWERS-Question about summation
EPSP - CORRECT ANSWERS-sodium channels are opened and sodium enters the cell
In skeletal muscles , the transverse tubule is an extension of the ? - CORRECT ANSWERS-Sarcolemma
An inhibitory neurotransmitter ___ the postsynaptic membrane. - CORRECT ANSWERS-Hyperpolarizes
___ cells function as Immune / phagocytic cells within the central nervous system - CORRECT ANSWERS-
Microglial
, The myelin sheaths that surround the axons of some of the neurons in the CNS are formed by ? -
CORRECT ANSWERS-Oligodendroglia
A muscle that provides the major force for producing a specific movement is called ? - CORRECT
ANSWERS-Agonist
which of the following glial cells are not found in the CNS ? - CORRECT ANSWERS-Schwann cells
Which of the following would increase the conduction velocity of an action potential ? - CORRECT
ANSWERS-Myelin Sheath Covering the axon
Which of the following is described as the most Important function of the RAS ? - CORRECT ANSWERS-
Linking psychological states to physiological states
A molecule that freely disassociates with water resulting in a low ph Solution , best describes a ( n ) ___
molecule - CORRECT ANSWERS-Acid
Most homeostatic mechanisms involve ___, a way of counter acting a change ? - CORRECT ANSWERS-
Negative feedback
Which of the following cellular organelle can best be described as fairly long , slender extensions of the
plasma membrane that help to move fluids or secretions across the cell surface ? - CORRECT ANSWERS-
Cillia
Powerhouse - CORRECT ANSWERS-Mitochondria
Mitosis in the correct order - CORRECT ANSWERS-prophase, metaphase, anaphase, telophase
Square layer of skin - CORRECT ANSWERS-Simple cuboidal
reviewed questions and revised answers
which of the following events will occur when A depolarizing graded potentials reach the membrane of
the axon hillock , causing its membrane potential to reach threshold ? - CORRECT ANSWERS-Voltage -
gated Na channels open rapidly
Which type of synapse involves the secretion of a neurotransmitter across the synapse to stimulate the
post - synaptic cell ? - CORRECT ANSWERS-Chemical
First class lever - CORRECT ANSWERS-Question is about lifting weights with friends
The Sarcoplasmic reticulum stores ? - CORRECT ANSWERS-calcium
Blinking the eyelid - CORRECT ANSWERS-Tissue not a part of the skeletal muscle
Spatial Summation - CORRECT ANSWERS-Question about summation
EPSP - CORRECT ANSWERS-sodium channels are opened and sodium enters the cell
In skeletal muscles , the transverse tubule is an extension of the ? - CORRECT ANSWERS-Sarcolemma
An inhibitory neurotransmitter ___ the postsynaptic membrane. - CORRECT ANSWERS-Hyperpolarizes
___ cells function as Immune / phagocytic cells within the central nervous system - CORRECT ANSWERS-
Microglial
, The myelin sheaths that surround the axons of some of the neurons in the CNS are formed by ? -
CORRECT ANSWERS-Oligodendroglia
A muscle that provides the major force for producing a specific movement is called ? - CORRECT
ANSWERS-Agonist
which of the following glial cells are not found in the CNS ? - CORRECT ANSWERS-Schwann cells
Which of the following would increase the conduction velocity of an action potential ? - CORRECT
ANSWERS-Myelin Sheath Covering the axon
Which of the following is described as the most Important function of the RAS ? - CORRECT ANSWERS-
Linking psychological states to physiological states
A molecule that freely disassociates with water resulting in a low ph Solution , best describes a ( n ) ___
molecule - CORRECT ANSWERS-Acid
Most homeostatic mechanisms involve ___, a way of counter acting a change ? - CORRECT ANSWERS-
Negative feedback
Which of the following cellular organelle can best be described as fairly long , slender extensions of the
plasma membrane that help to move fluids or secretions across the cell surface ? - CORRECT ANSWERS-
Cillia
Powerhouse - CORRECT ANSWERS-Mitochondria
Mitosis in the correct order - CORRECT ANSWERS-prophase, metaphase, anaphase, telophase
Square layer of skin - CORRECT ANSWERS-Simple cuboidal
