Midterm2key_002

Midterm2key_002 - Name:_ Student ID #:_ BILD 2 Spring 2008...

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Name:______________________________ Student ID #:___________________ BILD 2 Spring 2008 Midterm #2
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Name:______________________________ Student ID #:___________________ Section I: Answer all of these questions (10 points each). 1) MHC Class II molecules _________ are used found on the surface of dendritic cells and other antigen presenting cells. They display peptides from ingested pathogens. 2) Which type of differentiated lymphocyte acts to secrete large amounts of antibody proteins? plasma cells 3) __ _T-cell receptors ________ recognize MHC protein / peptide complexes. 4) Lymphocytes that are responsible for the more rapid, prolonged and effective response to a second encounter with an antigen are called by the general term, __ memory __ cells. 5) The HIV virus attacks helper T-cells ___ and is responsible for the disease known as __ AIDS ______. 6) The three major classes of chemicals that serve as hormones in the human body are:____ amines _________, _ proteins (peptides) _______ and _____ steroids ________. 7) The __ anterior pituitary _______ responds to releasing hormones sent from the hypothalamus _______________. It then proceeds to release hormones such as TSH. 8) An example of an exo crine gland is ____________________________________. 9) A ___ saltwater ______________________fish needs to actively transport solutes out of its body through its gills. 10) Approximately 99 % of the water in the initial filtrate is reabsorbed by the kidney. 11) This region of a nephron is always impermeable to water: ascending limb of the Loop of Henle _________. 12) Epinephrine binding to liver cells stimulates glycogen breakdown ______. 13) The adrenal glands _____(endocrine glands) sit on top of the kidneys. 14) The target cells for PTH reside in the _________ bones and ___ kidneys _________. 15) Human body cells are (hyper /
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Midterm2key_002 - Name:_ Student ID #:_ BILD 2 Spring 2008...

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