38. Antihistamine can relief an allergic reaction of human body because antihistamines block the histamine’s action and ___.
(A) reduce the number of effector B cells.
(B) prevent the generation of antibodies.
(C)prevent the inflammatory reaction due to histamines.
(D) stimulate the production of antibodies.
(E) prevent antigens from binding to antibodies.

34. Which pair of epithelial tissue-human body part is NOT a correct match? (A) Simple squamous epithelium – air sacs of lung (B) Pseudostratified columnar epithelium – skin of the ear canal (C)Stratified squamous epithelium – lining of esophagus (D) Simple cuboidal epithelium – tube of the kidney (E) Simple columnar epithelium – lining of intestines

35. Which combination of digestion enzyme and its target carbohydrates is NOT correctly matched? (A) Pancreatic amylase – polysaccharides (B) Trypsin – polypeptides (C)Chymotrypsin – polysaccharides (D) Nucleases – DNA (E) Bile salts – fat globules

36. About gas transportation in human blood, which one below is a correct description? (A) O2 is transported in blood via bounding to hemocyanin. (B) Hemoglobin is the CO2 carrier in human blood. (C)O2 is transported in plasma. (D) CO2 is transported in red blood cells. (E) CO2 is transported in blood as bicarbonate ions.

37. What is the correct sequence of electrical events in a heartbeat? (A) SA node, atria, AV node, specialized muscle fibers, apex, ventricles. (B) SA node, atria, AV node, apex, specialized muscle fibers, ventricles. (C)Atria, SA node, AV node, specialized muscle fibers, apex, ventricles. (D) SA node, AV node, atria, specialized muscle fibers, apex, ventricles. (E) SA node, atria, specialized muscle fibers, AV node, apex, ventricles.

39. Which one below is NOT a role of urinary system in human body? (A) Filtration (B) Reabsorption (C)Secretion (D) Excrement (E) Excretion 

40. Diabetes is a common endocrine disorder in humans. Which one below is NOT true? (A) It is a symptom of the body’s inability to produce or use insulin. (B) It causes hyperglycemia. (C)Type I diabetes refers to the lack of insulin in blood. (D) Type II diabetes refers to the hyperreaction of insulin receptors in cells. (E) Type I and Type II diabetes both cause elevated glucose level in blood.

41. The human female reproductive cycle is a complex process. Which one below does NOT correctly correspond the hormone level to an even in ovarian cycle? (A) FSH – stimulates follicle to grow. (B) LH peaks – triggers ovulation. (C)Estrogen peaks – causes LH surge. (D) Oxytocin increases – thickening of endometrium. (E) Decrease of progesterone/Estrogen – menstruation begins

42. After fertilization, a frog embryo would start its development. In which stage that the embryo would develop blastocoel? (A) Fertilization (B) Cleavage (C)Gastrulation (D) Organ formation (E) Metamorphosis

43. For Schwann cells in a motor neuron, which description below is incorrect? (A) They locate on dendrites of a neuron. (B) Myelin sheath is the insulating material for Schwann cells. (C)In between Schwann cells, there is node of Ranvier. (D) Schwann cells speed up the transmission of signals. (E) Schwann cells do not cover the synaptic terminals.

44. A nerve signal begins as a change of membrane potential occurred. Which one below is invalid about the change of membrane potential? (A) Before the change, the resting potential is maintained by the sodium-potassium pumps. (B) Once the nerve was excited, more potassium channels opened, and more sodium channels closed thus the membrane potential changed. (C)The changes of ion concentrations after the excitement of nerve, it causes the depolarization across inside and outside of the membrane. (D) To see depolarization happens, the stimulation needs to reach a threshold. (E) Finally, the membrane repolarized into a status that interior of cell is more negatively charged.