The nurse is assessing a client diagnosed with appendicitis. Which of the following signs or symptoms should the nurse expect to find

A. Rigid abdomen, Levine’s sign, pain relief leaning forward.
B. Rebound tenderness, McBurney’s sign, low-grade fever.
C. Right lower quadrant pain, Chvostek’s sign, muscle guarding.
D. Periumbilical pain, Trousseau’s sign, pain relief with pressur

乳酸菌与酵母菌相比，主要区别是乳酸菌没有（　　）

A．细胞膜

B．细胞质

C．成形的细胞核

D．细胞壁