What is the recommended duration and intensity of exercise for a pregnant woman?
A) up to 20 minutes of moderate aerobic exercise plus at least 20 minutes of moderate resistance training
B) up to 20 minutes of light aerobic exercise plus at least 30 minutes of core-strengthening exercise
C) up to 30 minutes of light aerobic exercise but no resistance training
D) up to 30 minutes of moderate aerobic exercise plus light-to-moderate resistance training
D
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Why are whole blood, bone marrow, and bronchoalveolar lavage specimens typically good specimens for flow cytometry?
A) The sizes of cells in these specimens fall within the range that can be analyzed by laser light scatter. B) The cell types in these specimens usually have more well-defined antigens. C) There is less debris in these specimens to non-specifically scatter light. D) These are generally cell suspensions with cells occurring separately and singly in the mixture.
The upper gastrointestinal system includes the structures from the mouth through the ________
A) colon B) large intestine C) small intestine D) stomach
Vigorous weight training can increase the size of a muscle, and this is called muscle ________
Fill in the blank(s) with correct word
Which of the following best describes a way to prevent overuse injuries?
A) Set fitness goals high to increase the challenge. B) Avoid any activity for at least two weeks when you are stiff and sore. C) Vary your fitness activities throughout the week. D) Work through stiffness and soreness to keep the muscles loose.