A patient complaining of pain on his left side just deep to the ribs would be referring to which abdominopelvic quadrant?
A. Left upper
B. Right upper
C. Right lower
D. Left lower
Ans: A. Left upper
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Why would a person who has their tonsils removed be more susceptible to certain types of infections of the throat and respiratory tract?
A. Tonsils produce high levels of lactoferrin, a strong natural antibacterial compound. B. Tonsils produce large amounts of interferons, natural antiviral compounds. C. Tonsils are secondary lymphoid organs-they help to provide a constant response to the microbes in the oral cavity, helping to keep them in check and preventing them from spreading to other areas. D. Tonsils are the location where T cells develop and mature. Without them, a person won't have T cells, and will be more likely to suffer from infections that would normally be eliminated by such cells.
Occassionally, Staphylococcus epidermidis may be isolated from the eye.
Answer the following statement true (T) or false (F)
The tertiary structure of a protein is ____
a. the amino acid sequence in a polypeptide chain b. generated by the formation of bonds between amino acids c. formed by a protein region folding on itself d. formed by the interaction of two or more polypeptide chain e. generated by bonding and folding of ribosomes attached to the endoplasmic reticulum
What cells of the immune system will help the body respond more quickly if the infectious agent is encountered again?
A) complement B) cytotoxic C) helper D) memory