A mother and two young children are found passed out in their apartment, where a space heater is on. Emergency medical technicians suspect carbon monoxide poisoning, so they give the patients
A. highly concentrated oxygen and some carbon dioxide.
B. nitrogen and carbon dioxide.
C. surfactant.
D. blood transfusions.
Answer: A
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Which of the following types of neurons have axons that extend from the brain to the lower motor neurons?
a) upper motor neurons b) primary neurons c) somatic sensory neurons d) preganglionic autonomic neurons e) postganglionic autonomic neurons
If a person has redness of the skin, you would describe that as pallor.?
Indicate whether the statement is true or false
There are more microbial cells than human cells in your body, and the health of this microbiota clearly influences human well-being. How many microbes are there?
A. For every cell in your body, there are ten thousand microbial cells. B. For every cell in your body, there are one thousand microbial cells. C. For every cell in your body, there are one hundred microbial cells. D. For every cell in your body, there are ten microbial cells.
What is the foramen ovale?
A. An opening between the right and left atria in the embryo and fetus. B. An opening between the right and left ventricles in the embryo and fetus. C. An oval hole in the pericardium in the embryo and fetus. D. An opening between the pulmonary trunk and aorta in the embryo and fetus.