In central apnea there is:
A. vigorous chest wall and abdominal muscle activity
B. cessation of airflow at the nose
C. snoring
D. severe hypercarbia
ANS: B
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Ashton was in a car accident and experienced severe blood loss. All of the following are potential outcomes of blood loss EXCEPT ________.
A. decrease in blood volume B. increased blood pressure C. vasoconstriction D. renal failure
Which structure is composed of three cylindrical masses of erectile tissue each surrounded by a fibrous tissue?
a) Testes b) Prostate c) Bladder d) Penis e) Urethra
This muscle extends and rotates the vertebral column toward the opposite side of the body. Its origin is on the sacrum and transverse processes of each vertebra and its insertion is the spinous processes of more superior vertebrae
A. Multifidus B. Interspinales C. Intertransversarii D. Rotators E. Quadratus lumborum
Phase ________ clinical trials maximize the number of test participants and include human participants of both sexes, different ethnic groups, and those who have health problems besides the one that the drug is designed to treat.
A. I B. II C. III D. IV