Answer:
b. False
Explanation:
The umbilical vein carries oxygen rich blood from the placenta to the fetus. The umbilical artery carries deoxygenated blood from the fetus to the placenta.
Answer:
by medicine
Explanation:
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Answer:
0.6mL
Explanation:
In general you can find the actual volume to be administered as follows:
actual volume = (actual amount / dose amount) x dose volume
actual volume = (175mcg / 300mcg) x 1mL = 0.58mL
In practice it would probably be easier to just administer 0.6mL. The difference in dose won't be clinically meaningful.
Answer:
The correct answer will be option C- increase the surface area.
Explanation:
At the neuromuscular junctions, the axons of the motor-neurons become bulbous at terminals. These bulbous enlargements are known as the synaptic knobs. The synaptic knob is the bulbous enlargements of the axon present at the terminals. These knobs increase the volume of the axon terminals embedded with the ligand-gated channels and accumulation of neurotransmitters in vesicles.
The motor end plate is the region of the muscle fiber which is responsible for initiating the action potential in a muscle. The motor end plate becomes ruffled or shows small folds or clefts to increase the increased surface area for the neurotransmitter to act.
Thus, option C is the correct answer.