For each particular tumor antigen listed in questions 1-5, choose the class of tumor antigen (A-G) to which it belongs
A. Product of a cellular oncogene
B. Overexpressed unmutated cellular proteins
C. Product of unmutated genes normally silent in most tissues
D. Overexpressed surface glycolipid
E. Oncofetal antigen
F. Tissue differentiation antigen
G. Product of an oncogenic virus
Prostate-specific antigen
ANS: F. Prostate-specific antigen (PSA) is a glycoprotein that is expressed by both normal prostate epithelial cells and prostate cancer cells. The protein is secreted into the circulation, and the high degree of tissue specificity of PSA expression allows for the use of PSA as a specific marker for prostate cancer. Clinical trials have been performed using virally expressed PSA as a tumor vaccine.
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Which of the following conditions is due to a defect in the walls of the spinal canal?
a. transient ischemic attack b. seizure c. spina bifida d. hydrocephalus
When air pressure is slowly let out of the cuff, the pressure inside the cuff will eventually be ________ the driving pressure of blood in the brachial artery indicating systolic pressure.
a. higher than b. lower than c. equal to d. divided by
Jo has been seeing a stress-management counselor since she moved to a new city to attend college. Which of the following is the most likely recommendation of the counselor?
A) Keep reminding yourself that you should be able to handle this. B) Work to maintain healthy relationships with family members and old friends, while also cultivating new sources of social support. C) Drop one of more classes or extracurricular activities to open up more time to relax. D) Treat yourself to a favorite meal or dessert when you're feeling particularly stressed.
In systemic circulation, blood circulates from the heart to the rest of the body and back
Indicate whether the statement is true or false