A.主動(dòng)脈弓的傳入神經(jīng)隨膈神經(jīng)進(jìn)入腦干 B.頸動(dòng)脈竇的傳入神經(jīng)隨舌咽神經(jīng)進(jìn)入腦干 C.頸動(dòng)脈竇存在壓力感受器 D.當(dāng)動(dòng)脈壓降低時(shí),興奮交感神經(jīng) E.當(dāng)動(dòng)脈壓升高時(shí),興奮迷走神經(jīng)
A.1% B.2% C.3% D.5% E.10%
A.指左心室射血時(shí)心肌壁所面臨的壓力 B.臨床常測(cè)定平均動(dòng)脈壓反映前負(fù)荷 C.是舒張末期心肌纖維長(zhǎng)度 D.處于最適前負(fù)荷時(shí),心肌肌小節(jié)長(zhǎng)度為2.0~2.2mm E.超過(guò)最適前負(fù)荷時(shí),心肌收縮力即明顯降低