【正文】 一些脂溶性維生素在吸收前 消化吸收的過程 Animation 返回首頁 學(xué)習(xí)園地 ? Gastro Esophageal Reflux Disease ? Proton Pump Inhibitor Therapy ? 腸道內(nèi)支架 ? 消化道疾病的影像表現(xiàn)（胃窺鏡） ? How do enzymes work? ? Diabetes ? 生理學(xué)進(jìn)展 返回首頁 Gastro Esophageal Reflux Disease (GERD) 返回學(xué)習(xí)園地 Proton Pump Inhibitor Therapy 返回學(xué)習(xí)園地 腸道內(nèi)支架 返回學(xué)習(xí)園地 消化道疾病的影像表現(xiàn) （胃窺鏡） 返回學(xué)習(xí)園地 How do enzymes work? 返回學(xué)習(xí)園地 Diabetes 返回學(xué)習(xí)園地 生理學(xué)進(jìn)展 返回學(xué)習(xí)園地 復(fù)習(xí)與思考 ? 名詞解釋 ? 單項(xiàng)選擇題（中） ? 單項(xiàng)選擇題（英） ? 思考題 返回首頁 名詞解釋 Basic Electrical Rhythm, BER Braingut Peptide Gastric Receptive Relaxation Gastric Emptying Mucusbicarbonate Barrier 返回復(fù)習(xí)與思考 單項(xiàng)選擇題 （中） ， 錯(cuò)誤 的說法是 [ ] ， 胰液基本上不分泌 、 氣味可通過條件反射引起胰液分泌 ， 而 酶的含量很少 ， 而以體液調(diào) 節(jié)為主 D 返回復(fù)習(xí)與思考 2. 胃酸的生理作用 不包括 [ ] pepsinogen，并為 pepsin作用提供一個(gè)酸性環(huán)境 、膽汁分泌 B12吸收 單項(xiàng)選擇題 (續(xù) ) E 返回復(fù)習(xí)與思考 [ ] E 單項(xiàng)選擇題 (續(xù) ) 返回復(fù)習(xí)與思考 Gastric receptive relaxation的途徑是 [ ] Ach C 單項(xiàng)選擇題 (續(xù) ) 返回復(fù)習(xí)與思考 ， 錯(cuò)誤 的敘述是 [ ] Na+的吸收相耦聯(lián) B 單項(xiàng)選擇題 (續(xù) ) 返回復(fù)習(xí)與思考 1. Which of the following statements is FALSE?[ ] A. The resting membrane potential of GI smooth muscle tends to be smaller in magnitude than that of skeletal muscle. B. Action potentials in GI smooth muscle are not blocked by tetrodotoxin. C. Longitudinal GI smooth muscle cells are less wellcoupled electrically than are circular smooth muscle cells. D. Slow waves are generated by GI smooth muscle cells near the inside of the circular muscle layer. E. Contraction of GI smooth muscle cells may occur in the absence of action potentials. 單項(xiàng)選擇題 (英 ) D 返回復(fù)習(xí)與思考 單項(xiàng)選擇題 (續(xù) ) 2. Which statement about gastrointestinal smooth muscle is NOT correct? [ ] A. The cells of the circular layer of gastrointestinal smooth muscle are coupled by numerous gap junctions. B. The lengthtension curve of gastrointestinal smooth muscle is broader than that of skeletal muscle C. In human stomach slow waves occur about 3 times per minute. D. Action potentials in gastrointestinal smooth muscle do not involve fast sodium channels. E. None of the above. E 返回復(fù)習(xí)與思考 3. Which of the following statements is NOT true? [ ] A. Gastrointestinal smooth muscle cells typically have smaller resting membrane potentials than skeletal muscle cells. B. The electrogenic character of the Na+,K+ATPase makes a small contribution to the resting membrane potential of GI smooth muscle cells. C. Slow waves elicit contraction of some GI smooth muscle even in the absence of action potentials. D. Many GI smooth muscle cells are electrically coupled to their neighbors. E. Action potentials in GI smooth muscle cells do not involve fast sodium channels. 單項(xiàng)選擇題 (續(xù) ) B 返回復(fù)習(xí)與思考 4. Which of the following statements about the innervation of gastrointestinal smooth musle is NOT true? [ ] A. There are no true neuromuscular junctions in gastrointestinal smooth muscle. B. The predominant innervation of the circular muscle layer is inhibitory. C. Most of the nerve fibers that innervate gastrointestinal smooth muscle cells have their cell bodies in the enteric ganglia. D. Most of the nerve fibers that innervate gastrointestinal smooth muscle cells are either cholinergic or adrenergic. E. Gastrointestinal smooth muscle is influenced by reflex arcs, all of whose ponents are located in the gastrointestinal. 單項(xiàng)選擇題 (續(xù) ) D 返回復(fù)習(xí)與思考 5. Which of the following statements about gastro