MGRADES
NURS 5210 Module 1: Week 3 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
___ is the origination and development of an organism, usually from the time of fertilization of
the egg to adult - CORRECT ANSWER - Ontogeny
Embryonic Development: ___ leads to the zygote. - CORRECT ANSWER - Fertilization
The zygote undergoes cleavage and mitotic cell division and transforms into a hollow ball of
cells called a ___. - CORRECT ANSWER - Blastula
The blastula undergoes ___, forming a ___ with one of three germ layers - CORRECT
ANSWER - - Gastrulation
- Gastrula
The three germ layers are: - CORRECT ANSWER - - Endoderm
- Mesoderm
- Ectoderm
Of the three germ layers, the ___ is the most important for this course as it gives rise to the
nervous system. - CORRECT ANSWER - Ectoderm
T/F: There is strong evidence that neurogenesis (new neuron formation) continues throughout
life - CORRECT ANSWER - True
___ are chemicals discharged from nerve-fiber ending. - CORRECT ANSWER -
Neurotransmitters
, MGRADES
The receptor on the postsynaptic nerve cell recognizes a neurotransmitter and either ___ or ___
the second cell. - CORRECT ANSWER - - Stimulates
- Inhibits
Catecholamines, indolamines, histamines, and acetylcholine are all examples of ___. -
CORRECT ANSWER - Biogenic amine neurotransmitters AKA monoamine
neurotransmitters
Three types of catecholamines are: - CORRECT ANSWER - - Epinephrine
- Norepinephrine
- Dopamine
Two types of indolamines are: - CORRECT ANSWER - - Serotonin
- Melatonin
Dopamine: The majority of dopaminergic innervation is provided by ___. - CORRECT
ANSWER - Long projection neurons
Dopamine: The long projection neurons providing dopamine innervation originate in the ___. -
CORRECT ANSWER - Midbrain
Dopamine: The main two structures in the midbrain which produce dopamine are: - CORRECT
ANSWER - - Substantia nigra
- VTA (ventral tegmental area)
Dopamine: Aside from the substantia nigra and the VTA, dopamine is also produced in the ___. -
CORRECT ANSWER - Hypothalamus
NURS 5210 Module 1: Week 3 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
___ is the origination and development of an organism, usually from the time of fertilization of
the egg to adult - CORRECT ANSWER - Ontogeny
Embryonic Development: ___ leads to the zygote. - CORRECT ANSWER - Fertilization
The zygote undergoes cleavage and mitotic cell division and transforms into a hollow ball of
cells called a ___. - CORRECT ANSWER - Blastula
The blastula undergoes ___, forming a ___ with one of three germ layers - CORRECT
ANSWER - - Gastrulation
- Gastrula
The three germ layers are: - CORRECT ANSWER - - Endoderm
- Mesoderm
- Ectoderm
Of the three germ layers, the ___ is the most important for this course as it gives rise to the
nervous system. - CORRECT ANSWER - Ectoderm
T/F: There is strong evidence that neurogenesis (new neuron formation) continues throughout
life - CORRECT ANSWER - True
___ are chemicals discharged from nerve-fiber ending. - CORRECT ANSWER -
Neurotransmitters
, MGRADES
The receptor on the postsynaptic nerve cell recognizes a neurotransmitter and either ___ or ___
the second cell. - CORRECT ANSWER - - Stimulates
- Inhibits
Catecholamines, indolamines, histamines, and acetylcholine are all examples of ___. -
CORRECT ANSWER - Biogenic amine neurotransmitters AKA monoamine
neurotransmitters
Three types of catecholamines are: - CORRECT ANSWER - - Epinephrine
- Norepinephrine
- Dopamine
Two types of indolamines are: - CORRECT ANSWER - - Serotonin
- Melatonin
Dopamine: The majority of dopaminergic innervation is provided by ___. - CORRECT
ANSWER - Long projection neurons
Dopamine: The long projection neurons providing dopamine innervation originate in the ___. -
CORRECT ANSWER - Midbrain
Dopamine: The main two structures in the midbrain which produce dopamine are: - CORRECT
ANSWER - - Substantia nigra
- VTA (ventral tegmental area)
Dopamine: Aside from the substantia nigra and the VTA, dopamine is also produced in the ___. -
CORRECT ANSWER - Hypothalamus
