题目内容
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[主观题]
孕妇早孕反应过重，呕吐，此时孕妇心脑组织活动主要的供能物质是什么？为什么？
提问人：网友lh200551
发布时间：2022-01-07
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A．头晕、倦怠、择食、食欲不振、轻度恶心呕吐
B．呕吐频繁，不能进食、进水，影响身体健康，甚至威胁孕妇生命
C．呕吐清涎淡水，心悸气短，体倦乏力，脘腹胀满不舒
D．呕吐物夹有血丝，或黄绿色，或咖啡色，精神萎靡，眼眶凹陷，双目无神
E．头晕，食入即吐，口干口苦，心烦易怒
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第2题
孕妇在妊娠晚期有恶心、呕吐、血ALT增高，乙肝表面抗原（+），诊断为急性肝炎。孕晚期出现急性肝炎应高度重视，主要因为（）
A. 容易合并子痫前期及发展为子痫
B. 容易发展为重症肝炎，孕产妇病死率高
C. 容易发生糖代谢异常，影响胎儿发育
D. 容易发生早产，胎儿不易存活
E. 容易发生宫缩乏力，产程延长
第3题
All of the following are derived from cholesterol except:
A、Bile salts
B、Progesterone
C、Glucocorticoids
D、Squalene
E、Mineralocorticoids
第4题
【简答题】A 48-year-old male presents to the clinic because of concerns about heart disease. He reports that his father died from a heart attack at age 46, and his older brother has also had a heart attack at age 46 but survived and is on medications for elevated cholesterol. The patient reports chest pain occasionally with ambulation around his house and is not able to climb stairs without significant chest pain and shortness of breath. The physical exam is normal, and the physician orders an electrocardiogram (ECG), exercise stress test, and blood work. Patient’s cholesterol result comes back as 350mg/dL (normal 200). The physician prescribes medication, which he states is directed at the rate-limiting step of cholesterol biosynthesis. What is the rate-limiting step of cholesterol metabolism? What is class of medication prescribed?
第5题
【单选题】You are examining a patient who exhibits fasting hypoglycemia and need to decide between a carnitine deficiency and a carnitine acyltransferase 2 deficiency as the possible cause. You order a blood test to specifically examine the levels of which one of the following?
A、Glucose
B、Ketone bodies
C、Insulin
D、Acyl-carnitine
E、Carnitine
第6题
Which one of the following statements concerning chylomicrons is CORRECT?
A、Chylomicrons are made inside intestinal cells and secreted into lymph, where they acquire apolipoproteins B and C.
B、The core of chylomicrons contains triacylglycerol and phospholipids.
C、The enzyme hormone sensitive lipase acts on chylomicrons to release fatty acids from triacylglycerol when they are bound to the surface of endothelial cells in blood capillaries.
D、Chylomicron remnants differ from chylomicrons in that they are smaller and contain a lower proportion of triacylglycerol.
E、Chylomicrons are taken up by the liver.
第7题
【单选题】A newborn infant had trouble breathing at birth. The infant was 3 months premature. The physicians treated the infant with a solution, which was directly injected into the lungs. Within seconds, the infant responded with much improved breathing. A major component of this solution is which one of the following?
A、Dipalmitoyl phosphatidylcholine
B、Palmitate containing ceramide
C、Sphingosine
D、Sphingomyelin
E、Diacylgylycerol
第8题
【单选题】A patient presents in your office with very high levels of serum cholesterol. He states that he has tried to follow the diet and exercise regimen you gave him last year. You decide that this patient would benefit from a drug such as Lipitor (atorvastatin). This class of drugs is effective in treating hypercholesterolemia because it has what effect?
A、A.Stimulates phosphorylation of the β-hydroxyl-β-methylglutaryl-CoA reductase enzyme
B、Decrease the stability of theβ-hydroxyl-β-methylglutaryl-CoA reductase protein
C、Binds cholesterol preventing it from being absorbed by the intestine
D、Directly prevents the deposition of cholesterol on artery walls
E、Inhibits the enzymeβ-hydroxyl-β-methylglutaryl-CoA reductase
