As the blood flows from the aorta towards the cappilaries what increases? Correct Ans-
Resistance
Pressure gradient of water causes osmosis. True or False Correct Ans-False
Which of the following is NOT a vasodilator? Correct Ans-Prostagladin
Venous reserve is used during extreme blood loss. True or False Correct Ans-True
Chemoreceptors are found in what? Correct Ans-Aortic Bodies
Venous valves allow blood to flow in BOTH directs. True or False. Correct Ans-False
, Bios 255 Midterm/Finals-Questions & Answers
The normal heart sounds are caused by what? Correct Ans-The closure of the heart valves
The left ventricular wall of the heart is much thicker than the right wall in order to do what?
Correct Ans-Pump blood against a greater pressure
Ventricular depolarization corresponds to what complex? Correct Ans-QRS Complex
Blood within the pulmonary veins returns to the heart in what location? Correct Ans-Left
Atrium
When the heart rate is at 75, the duration of one cardiac cycle is how long? Correct Ans-0.8
seconds
Cardiac muscle cells are like skeletal muscle cells in that they all have what? Correct Ans-
Striation
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