The number of compressed regions that pass a given point in one second is the ________ of the sound
A) frequency
B) intensity
C) hertz
D) decibels
A
Explanation:
B) The intensity of sound is a measure of how large the sound waves.
C) Hertz is the unit of measure for frequency.
D) Decibels are the unit of measure for amplitude.
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Which of the following is not a normal response to physical exercise?
A. Increased blood flow to the skeletal muscles B. Increased heart rate C. Increased blood flow to the abdominal viscera D. Increased ventricular contraction
Dendrites
A. are generally long and unbranched. B. conduct action potentials away from the cell body. C. form synapses with the microglia. D. are the input part of the neuron. E. contain the trigger zone.
Which of the following combining forms mean skin?
A. cyan/o B. melan/o C. onych/o D. cutane/o
Explain the factors that affect cardiac output. In your answer provide one example of a positive inotropic agent and one example of a positive chronotropic agent
For each of those examples, explain what specifically happens to the cells of the heart when they have their effect. What will be an ideal response?