38) A person has a runny nose, watery eyes, and sneezing during pollen season be

Question

38) A person has a runny nose, watery eyes, and sneezing during pollen season because A) helper T cells are over-reacting to the pollen B) the pollen is harming healthy body cells C) the pollen triggers the inflammatory response D) all of these 39) How does HIV replicate? A) it can replicate by taking over and destroying a host cell B) HIV can use a cell to build its DNA then that DNA gets insert into the host cell's DNA C) it uses a host cell's RNA to build more copies of its own DNA D) HIV can infect any human cell and reprogram the cell's DNA to build more RNA 40) Which of the following fights 'free floating' antigens in the blood or lymph? A) B cells B) T cells C) interferons D) both B cells and T cells 41) When you burn your hand, the damaged cells release chemical alarm signals, called A) interferons B) pus C) antihistamines D) histamines from 42) A macrophage can surround a bacterial cell or damaged body cell and help remove them the body. This process is called: A) phagocytosis B) adaptive immunity C) inflammation D) humoral immune response 43) Which of the following is a non-specific immune response? A) the production of antibodies after getting vaccinated B) inflammation C) Helper T-cells activating cytotoxic T-cells D) all of these 4) Which type of neuron can send a signal to a gland in the body, like the adrenal gland? A) interneuron B) sensory neuron C) motor neuron D) all of these 45) Which of the following statements about lymph is true? A) it has a pump to circulate it around the body B) it transports some red blood cells C) it is used primarily to lubricate joints D) it is low in oxygen and nutrients

Explanation / Answer

38) A person has running nose, watery eyes and sneezing during pollen season because

C) The pollen triggers the inflammatory response

39) How does HIV replicates?

D) HIV can use a cell to buil;d its DNA then that DNA gets inserted into host's cell DNA

40) Which of the following fights free floating antigens in the blood or lymph

A) B cells

41) When you burn your hands the damaged cells release chemical alarm signals called

D) Histamines

42) A macrophage can surrounds a bacterial cell or damaged cells and help to remove them from the body. This process is called

A) Phagocytosis

43) Which of the following is a non specific immune response?

B) Inflammation

44) Which type of neuron can sends a signal to a gland in the body, like adrenal gland

C) Motor neuron

45) Which of the following statements about lymph is true?

D) It is low in oxygen and nutrients

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