DAA: ExAm II QuEstIons
What muscles arise from the Paraxial mesoderm? –correct answer All skeletal muscle
What muscles arise from the lateral plate mesoderm? correct answer - Cardiac and smooth
When do striations appear in skeletal muscle? correct answer - End of the third month
T or F sensory neurons develop side by side with muscle. correct answer - True
What are the two divisions of myotome? correct answer - Epaxial, hypaxial
What muscles are epaxial and what innervate them? - Extensor muscles of neck and back, dorsal Ramus
of spinal cord
What muscles are hypaxial? correct answer - All other skeletal muscle
When do limbs appear? - correct answer Week 7
Where does a congenital diaphragmatic hernia generally occur? correct answer - On the left
What is wryneck? correct answer - Torticoliis, damage to the sternocleidomastoid
,Where do smooth and cardiac muscle generally arise from? correct answer - Splanchnic mesoderm
What does it mean that muscles are irritable? correct answer - They are excitable or respond to a
stimulus
What is the difference between a tendon and aponeurosis? correct answer - Tendon is round and a
aponeurosis is flat
Why are skeletal muscles called striated? correct answer - Because they appear to have little bands
Muscles ________ and never _________ correct answer - Pull, push
Give an example of a fusiform muscle. - correct answer Biceps brachii
What neurotransmitter is used at the neuromuscular junction? - correct answer Acetylcholine
The receptors at the neuromuscular junction are ___________. - correct answer Nicatinic
Define a motor unit. correct answer - Nerve and the muscle it innervates
What is the difference between origin and insertion? - correct answer Origins are stationary during
motion and insertions move.They can flip flop
, All fascias muscles are innervated by __________ except __________ which is innervated by ________ -
CN II, Levator palpebrea superioris, CN III
T or F the epicranius frontalis pulls the eyebrows medial and down. - correct answer False
What muscle is known as the "Elvis" muscle? - correct answer Levator labii superioris
What muscle closes the eye? - correct answer Orbicularis occuli
What is the action of the zygomaticus muscle? correct answer - Smile
What innervates the muscles of mastication? - correct answer V3, mandibular branch of trigeminal
nerve
What muscles elevate the mandible? - correct answer Temporalis, masseter, medial pterygoid
What is the formula for innervation of the extrinsic muscles of the eye? correct answer - SOIV, LRVI, all
else III
Innervate on of tongue movement is __________, touch is _________ and taste is _______________ - •
CN XII
• V3
• VII, IX, & X
What muscles arise from the Paraxial mesoderm? –correct answer All skeletal muscle
What muscles arise from the lateral plate mesoderm? correct answer - Cardiac and smooth
When do striations appear in skeletal muscle? correct answer - End of the third month
T or F sensory neurons develop side by side with muscle. correct answer - True
What are the two divisions of myotome? correct answer - Epaxial, hypaxial
What muscles are epaxial and what innervate them? - Extensor muscles of neck and back, dorsal Ramus
of spinal cord
What muscles are hypaxial? correct answer - All other skeletal muscle
When do limbs appear? - correct answer Week 7
Where does a congenital diaphragmatic hernia generally occur? correct answer - On the left
What is wryneck? correct answer - Torticoliis, damage to the sternocleidomastoid
,Where do smooth and cardiac muscle generally arise from? correct answer - Splanchnic mesoderm
What does it mean that muscles are irritable? correct answer - They are excitable or respond to a
stimulus
What is the difference between a tendon and aponeurosis? correct answer - Tendon is round and a
aponeurosis is flat
Why are skeletal muscles called striated? correct answer - Because they appear to have little bands
Muscles ________ and never _________ correct answer - Pull, push
Give an example of a fusiform muscle. - correct answer Biceps brachii
What neurotransmitter is used at the neuromuscular junction? - correct answer Acetylcholine
The receptors at the neuromuscular junction are ___________. - correct answer Nicatinic
Define a motor unit. correct answer - Nerve and the muscle it innervates
What is the difference between origin and insertion? - correct answer Origins are stationary during
motion and insertions move.They can flip flop
, All fascias muscles are innervated by __________ except __________ which is innervated by ________ -
CN II, Levator palpebrea superioris, CN III
T or F the epicranius frontalis pulls the eyebrows medial and down. - correct answer False
What muscle is known as the "Elvis" muscle? - correct answer Levator labii superioris
What muscle closes the eye? - correct answer Orbicularis occuli
What is the action of the zygomaticus muscle? correct answer - Smile
What innervates the muscles of mastication? - correct answer V3, mandibular branch of trigeminal
nerve
What muscles elevate the mandible? - correct answer Temporalis, masseter, medial pterygoid
What is the formula for innervation of the extrinsic muscles of the eye? correct answer - SOIV, LRVI, all
else III
Innervate on of tongue movement is __________, touch is _________ and taste is _______________ - •
CN XII
• V3
• VII, IX, & X
