Multiple Choice
Approximately how many times does the human heart beat in a single day?
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40. Circulatory System
Heart Physiology
Back40. Circulatory System
Heart Physiology
- Multiple ChoiceWhich of the following best explains how a young, healthy individual could develop a serious heart condition?9views
- Multiple ChoiceWhich chamber(s) of a human heart receive(s) and pump(s) oxygenated blood?1038views
- Multiple ChoiceHeart valves function to __________.1088views
- Multiple ChoiceWhat is the physiological cause of a heart attack?1087views
- Multiple ChoiceBlood leaves the inferior vena cava and flows directly into the __________.809views
- Multiple ChoicePressure is greatest in the ventricles when __________.1050views
- Multiple ChoiceThe SA node generates an electrical impulse from its location in __________.1368views
- Multiple ChoiceA recording of the electrical activity of a patient's heart shows that the atria are contracting regularly and normally, but every few beats the ventricles fail to contract. Which of the following is probably functioning improperly?1718views
- Multiple ChoiceYour blood pressure is 120/70. The "120" indicates __________, and the "70" indicates __________.1198views1rank
- Multiple ChoiceWhen we compare the structures and functions of arteries and veins, we find that the walls of arteries are __________, the blood pressure inside arteries is __________, and the blood in arteries is moving __________ the heart.1361views
- Multiple ChoiceWhich of the following decreases blood pressure?1130views
- Multiple ChoiceA mutation that results in a nonfunctioning nitric oxide receptor would cause __________.847views
- Textbook Question
Blood pressure is highest in _________ , and blood moves most slowly in _________ .
a. Veins; capillaries
b. Arteries; capillaries
c. Veins; arteries
d. Arteries; veins
941views - Textbook Question
Pulse is a direct measure of
a. Blood pressure.
b. Stroke volume.
c. Cardiac output.
d. Heart rate.
1185views