NURS 5210 MODULE 1; WEEK 3
EXAM QUESTIONS WITH VERIFIED
ANSWERS
___ is the origination and development of an organism, usually from the time of
fertilization of the egg to adult - ANSWER Ontogeny
Embryonic Development: ___ leads to the zygote. - ANSWER Fertilization
The zygote undergoes cleavage and mitotic cell division and transforms into a
hollow ball of cells called a ___. - ANSWER Blastula
The blastula undergoes ___, forming a ___ with one of three germ layers -
ANSWER - Gastrulation
- Gastrula
The three germ layers are: - 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. - ANSWER Ectoderm
T/F: There is strong evidence that neurogenesis (new neuron formation)
continues throughout life - ANSWER True
___ are chemicals discharged from nerve-fiber ending. - ANSWER
Neurotransmitters
The receptor on the postsynaptic nerve cell recognizes a neurotransmitter and
either ___ or ___ the second cell. - ANSWER - Stimulates
- Inhibits
, Catecholamines, indolamines, histamines, and acetylcholine are all examples of
___. - ANSWER Biogenic amine neurotransmitters AKA monoamine
neurotransmitters
Three types of catecholamines are: - ANSWER - Epinephrine
- Norepinephrine
- Dopamine
Two types of indolamines are: - ANSWER - Serotonin
- Melatonin
Dopamine: The majority of dopaminergic innervation is provided by ___. -
ANSWER Long projection neurons
Dopamine: The long projection neurons providing dopamine innervation
originate in the ___. - ANSWER Midbrain
Dopamine: The main two structures in the midbrain which produce dopamine
are: - ANSWER - Substantia nigra
- VTA (ventral tegmental area)
Dopamine: Aside from the substantia nigra and the VTA, dopamine is also
produced in the ___. - ANSWER Hypothalamus
Dopamine Pathways: The ___ pathway plays a part in motor control, EPS
(extra-pyramidal side effects), and death of neurons in this pathway can lead to
PD (Parkinson's disease). - ANSWER Nigrostriatal Pathway
Dopamine Pathways: The ___ pathway plays a part in hormonal regulation,
maternal behavior/nurturing, pregnancy, and sensory processes. - ANSWER
Tuberoinfundibular Pathway
Dopamine Pathways: The ___ pathway plays part in memory, motivation and
emotional response, reward and desire, addiction, and can cause hallucinations
an schizophrenia is not functioning properly. - ANSWER Mesolimbic and
mesocortical pathways
EXAM QUESTIONS WITH VERIFIED
ANSWERS
___ is the origination and development of an organism, usually from the time of
fertilization of the egg to adult - ANSWER Ontogeny
Embryonic Development: ___ leads to the zygote. - ANSWER Fertilization
The zygote undergoes cleavage and mitotic cell division and transforms into a
hollow ball of cells called a ___. - ANSWER Blastula
The blastula undergoes ___, forming a ___ with one of three germ layers -
ANSWER - Gastrulation
- Gastrula
The three germ layers are: - 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. - ANSWER Ectoderm
T/F: There is strong evidence that neurogenesis (new neuron formation)
continues throughout life - ANSWER True
___ are chemicals discharged from nerve-fiber ending. - ANSWER
Neurotransmitters
The receptor on the postsynaptic nerve cell recognizes a neurotransmitter and
either ___ or ___ the second cell. - ANSWER - Stimulates
- Inhibits
, Catecholamines, indolamines, histamines, and acetylcholine are all examples of
___. - ANSWER Biogenic amine neurotransmitters AKA monoamine
neurotransmitters
Three types of catecholamines are: - ANSWER - Epinephrine
- Norepinephrine
- Dopamine
Two types of indolamines are: - ANSWER - Serotonin
- Melatonin
Dopamine: The majority of dopaminergic innervation is provided by ___. -
ANSWER Long projection neurons
Dopamine: The long projection neurons providing dopamine innervation
originate in the ___. - ANSWER Midbrain
Dopamine: The main two structures in the midbrain which produce dopamine
are: - ANSWER - Substantia nigra
- VTA (ventral tegmental area)
Dopamine: Aside from the substantia nigra and the VTA, dopamine is also
produced in the ___. - ANSWER Hypothalamus
Dopamine Pathways: The ___ pathway plays a part in motor control, EPS
(extra-pyramidal side effects), and death of neurons in this pathway can lead to
PD (Parkinson's disease). - ANSWER Nigrostriatal Pathway
Dopamine Pathways: The ___ pathway plays a part in hormonal regulation,
maternal behavior/nurturing, pregnancy, and sensory processes. - ANSWER
Tuberoinfundibular Pathway
Dopamine Pathways: The ___ pathway plays part in memory, motivation and
emotional response, reward and desire, addiction, and can cause hallucinations
an schizophrenia is not functioning properly. - ANSWER Mesolimbic and
mesocortical pathways
