Normal passage of blood from the atria to the ventricles only happens if the atrioventricular valves are open.
Answer the following statement true (T) or false (F)
True
You might also like to view...
What function does a synovial membrane serve?
a. It lines the stomach. b. It encloses the heart and lungs. d. It lines the respiratory tract. e. it lubricates the ends of moving bones
The structure of the plasma membrane has been described as a "fluid mosaic"because The proteins form a changing (mosaic) pattern as they move laterally through the fluid phospholipids The phospholipids flow around the proteins to create an even distribution of the proteins The phospholipids remain stationary and the fluid proteins wander freely The fluid proteins provide a background through which a mosaic of phospholipids, glycolipids, and cholesterol float
What will be an ideal response?
Curare blocks acetylcholine receptors at the motor end plate. This would result in
A. increased stimulation of the muscle. B. more acetylcholinesterase production. C. lack of calcium uptake by the muscle fiber. D. inability of the muscle fiber to respond to nervous stimulation. E. sustained contraction of the muscle.
You are the technician running the fMRI (functional magentic resonance imaging) machine today. You have had a patient in the machine for quite a while when you notice a sudden change in electrical activity within the RAS. What might be happening?
A. She is thinking about food. B. She has opened her eyes and is taking in visual information. C. She fell asleep. D. She is moving. E. She is talking.