When the ________ (letter G) contracts, blood is pushed through the pulmonary semilunar valve into the pulmonary artery trunk.
Fill in the blank(s) with the appropriate word(s).
right ventricle
Contraction of the right ventricle pushes blood through the pulmonary semilunar valve into the pulmonary artery trunk.
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Synaptic pruning means that:
a. Synapses that are seldom activated can be removed b. Synapses that are often fired can be removed
Chief among the brain's inhibitory neurotransmitters is ____.
A. dopamine B. norepinephrine C. adrenaline D. serotonin
Oxytocin should not be used in patients with significant cephalopelvic disproportion, which is when:
A. the fetus cannot be delivered without position conversion B. delivery has caused cerebral hemorrhage C. the fetal head is too large to pass through the mother's pelvis D. the mother has had a previous cesarean section
Given the following gas mixture and total pressure, calculate the partial pressure for carbon dioxide:
Oxygen 10% Carbon dioxide 20% Nitrogen 70% Total pressure 760 mmHg A) 76.0 mmHg B) 152.0 mmHg C) 532 mmHg D) none of the above