Why is the external urinary sphincter under conscious control?
A. It is made of skeletal muscle.
B. It is made of smooth muscle.
C. It is part of the detrusor muscle.
D. It is made of adventitia.
Answer: A
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Air flows into lungs because of ________ created by ________.
Fill in the blank(s) with the appropriate word(s).
Therapeutic surgical removal of the thyroid gland was documented more than 1000 years ago. In the 19th century, a surgeon performing that procedure had only about 50% patient survival, and patient death was often unrelated to nonspecific complications such as infection or bleeding. What condition of the thyroid is so easily diagnosed that ancient surgeons would think to remove it? What hormonal
problem unrelated to thyroid hormones may account for the 50% mortality of thyroidectomy patients in the 19th century (and probably throughout history)? Why didn't the surgeons anticipate this problem? Why wasn't the mortality closer to 100%? What will be an ideal response?
________________________________________ immunity occurs with the ingestion of colostrum by a newborn
Fill in the blank(s) with correct word
Regarding X-linked traits, if a father with normal color vision has children with a heterozygous mother, what percentage of the daughters will have normal color vision?
A) 0% B) 25% C) 50% D) 75% E) 100%