Influenza infections themselves are usually more annoying than deadly, but the flu can be accompanied by which of the following more serious secondary infections?
A) ear infections
B) bronchitis
C) pneumonia
D) All of the above could be caused by a secondary infection after the flu.
Answer: D
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Reciprocal inhibition is responsible for (select all correct choices):
A. the knee-jerk reflex. B. the Mauthner cell circuit of fish. C. voluntary motor behavior controlled by the brain.
Which group of organisms is most likely to have mercury or some other organic pesticides in its tissues in a high quantity?
a. Moss b. Clams c. Algae d. Polar bears e. Sardines
The atomic structure of water satisfies the octet rule by having
a. electrons shared between the two oxygen atoms. b. electrons from hydrogen transferred to the oxygen atom. c. electrons from oxygen transferred to the hydrogen atoms. d. oxygen share electrons with two hydrogen atoms. e. electrons shared between the two hydrogen atoms.
During exercise, your cardiac output can increase dramatically in order to meet the metabolic demands of your tissues. If your heart rate increased to 150 beats per minute and the volume of blood pumped per beat is 75 mL, what is your cardiac output?
A) 5 L/min B) 11.25 L/min C) 11,250 L/min D) 50,000 L/min