Those with testicular feminization syndrome have ________.
A. no chromosomal number abnormalities
B. a missing X chromosome
C. an extra X chromosome
D. an extra chromosome 23
Answer: A
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Which of the following transport processes uses vesicles that fuse with the plasma membrane to secrete materials into the extracellular fluid?
a) endocytosis b) exocytosis c) facilitated diffusion d) osmosis e) Both endocytosis and exocytosis.
Gastrulation results in the formation of a(n)
A. morula. B. embryo. C. blastocyst. D. trophoblast. E. umbilical cord.
The Waldorf family was caught in a fire but escaped. Unfortunately, the father and daughter suffered burns. The father had second-degree burns on his chest, abdomen, and both arms, and third-degree burns on his entire left lower extremity. The daughter suffered first-degree burns on her head and neck and second-degree burns on both lower extremities.
a. What percentage of the father's body was covered by burns? b. What percentage of the daughter's body received first-degree burns? c. What part of the daughter's body has both the dermis and epidermis involved? d. The father experiences a good deal of pain in the area of the chest and abdomen, but little pain in the leg. Why?
The procedure whereby a small balloon is placed into a partially occluded coronary artery and then inflated to increase blood flow through the artery is called a/an ________.
A. urokinase injection B. angiogram C. tissue plasminogen activation D. coronary bypass E. angioplasty