In fetal circulation, blood bypasses the lungs by flowing through the ________
A) ligamentum venosum and ligamentum arteriosum
B) fossa ovalis and umbilical arteries and vein
C) foramen ovale and ductus arteriosus
D) ductus venosus and ductus arteriosus
E) umbilical vein and umbilical arteries
C
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Which of the following organs or structures would be found in the left iliac region?
A) appendix B) stomach C) liver D) intestines
During heavy exercise, the ATP requirements of active muscle are likely to be met by metabolism of
A) fatty acids. B) nucleotides. C) protein. D) carbohydrates.
The most common form of endocrine malfunction is __________.
A. failure of the gland to produce the hormone B. insensitivity of the target cell to the hormone C. overproduction of the hormone by the gland D. All of the above are common disorders.
Which statement is false about MHC and APC?
A. Epitopes are displayed on an MHC protein on the surface of the APC. B. MHC protein displays what is self and what is foreign. C. MHCs process antigens and APCs present what was processed. D. If the epitope in the MHC is foreign a specific immune response is initiated.