21) The body’s temperature-regulating “thermostat” that can be reset upward : 1221290

21) The body’s temperature-regulating “thermostat” that can be reset upward : 1221290.


21) The body’s temperature-regulating “thermostat” that can be reset upward in response to pyrogens is located in the:

A) hypothalamus

B) thalamus

C) pineal gland

D) cerebellum

E) medulla oblongata

22) Fever has the effect of doing all of the following EXCEPT:

A) denaturing (scrambling) proteins

B) stimulating the liver and spleen to gather up iron and zinc

C) increasing metabolic rate of tissue cells

D) stimulating complement fixation

E) speeding up repair processes

23) The study of immunity is called:

A) histology

B) anatomy

C) pathology

D) immunology

E) microbiology

24) Which of the following substances is NOT typically perceived as an antigen:

A) pollen grains

B) bacteria

C) self-antigens

D) fungi

E) virus particles

25) Humoral immunity is provided by:

A) pyrogens

B) skin and mucous membranes

C) interferon

D) antibodies

E) complement fixation

26) Regardless of whether it matures into a B cell or a T cell, a lymphocyte that is capable of responding to a specific antigen by binding to it is said to be:

A) clonal

B) incompetent

C) immune

D) immunocompetent

E) complemented

27) The specific foreign substances that an individual’s immune system has the ability to recognize and resist is determined by:

A) individual exposure to the specific foreign substance

B) individual genetic makeup

C) the total number of lymphocytes present at a given time

D) the total number of macrophages at a given time

E) the total number of self-antigens at a given time

28) Lymphocytes are trained to be self-tolerant of:

A) fungi

B) foreign blood cells

C) body’s own cells

D) viruses

E) bacteria

29) B cells develop immunocompetence in the:

A) thymus gland

B) bone marrow

C) spleen

D) thyroid gland

E) lymph nodes

30) The specific type of acquired immunity that a fetus obtains from maternal antibodies that cross the placenta is called:

A) naturally acquired active immunity

B) naturally acquired passive immunity

C) artificially acquired active immunity

D) artificially acquired passive immunity

E) artificially acquired natural immunity



21) The body’s temperature-regulating “thermostat” that can be reset upward : 1221290

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