After a mastectomy of her left breast, a woman experiences edema in her left arm. What is the probable cause?
A. The surgeon likely removed her left axillary lymph nodes as well.
B. She was likely lying on her left side during surgery, causing inflammation in her left arm.
C. In addition to having cancer in her left breast, she likely has cancer in her left arm as well.
D. The blood that would have circulated through her left breast is now trapped in her left arm.
A. The surgeon likely removed her left axillary lymph nodes as well.
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The majority of seminal fluid is produced by the ____________________.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements about water is false?
A) It is composed of polar molecules. B) It is responsible for much of the mass of the human body. C) It has a relatively low heat capacity. D) It can dissolve many substances. E) It contains hydrogen bonds.
The kidney also can acidify the urine by:
a. converting an ammonia molecule to an amino group b. by deaminating a fat c. by converting an amino group to ammonia d. both B and C above
What percentage of ventricular filling is normally accomplished before atrial contraction begins?
a. 0% b. 20% c. 80% d. 50% e. 100%