5094471
Descripción
Test por Brianne Schmiegelow, actualizado hace más de 1 año
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Creado por Brianne Schmiegelow
hace más de 8 años
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Pregunta 1
Pregunta
What is the pressure in veins? [blank_start]<10 mmHg[blank_end]
Respuesta
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<10 mmHg
Pregunta 2
Pregunta
How fast does the SA node conduct APs? [blank_start]60-100/min[blank_end]
Respuesta
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60-100/min
Pregunta 3
Pregunta
How fast does the AV node conduct APs? [blank_start]40-60/min[blank_end]
Respuesta
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40-60/min
Pregunta 4
Pregunta
How fast do the Purkinje fibers conduct APs? [blank_start]20-40/min[blank_end]
Respuesta
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20-40/min
Pregunta 5
Pregunta
How fast can the sympathetic nervous system raise blood pressure? [blank_start]Double in 5-15 seconds[blank_end]
Respuesta
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Double in 5-15 seconds
Pregunta 6
Pregunta
How fast can the body decrease blood pressure? [blank_start]By 1/2 in 10-40 seconds[blank_end]
Respuesta
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By 1/2 in 10-40 seconds
Pregunta 7
Pregunta
How many hemoglobins are in each red blood cell? [blank_start]280 million[blank_end]
Respuesta
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280 million
Pregunta 8
Pregunta
How much of the blood is in the capillaries? [blank_start]5-7%[blank_end]
Respuesta
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5-7%
Pregunta 9
Pregunta
How much of the blood is in the arteries? [blank_start]16-18%[blank_end]
Respuesta
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16-18%
Pregunta 10
Pregunta
How much of the blood is in the veins? [blank_start]50-70%[blank_end]
Respuesta
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50-70%
Pregunta 11
Pregunta
How many follicles are ovulated in a woman's lifetime? [blank_start]400-500[blank_end]
Respuesta
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400-500
Pregunta 12
Pregunta
How many follicles do women have left by the time they reach puberty? [blank_start]400,000[blank_end]
Respuesta
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400,000
Pregunta 13
Pregunta
How long is the network of capillaries? [blank_start]50-60 million miles[blank_end]
Respuesta
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50-60 million miles
Pregunta 14
Pregunta
How many red blood cells are produced per second? [blank_start]2.5 million[blank_end] What is their lifespan? [blank_start]120 days[blank_end]
Respuesta
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2.5 million
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120 days
Pregunta 15
Pregunta
How much pressure does atrial contraction add? [blank_start]5 mmHg[blank_end]
Respuesta
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5 mmHg
Pregunta 16
Pregunta
How much does blood pressure rise during heavy exercise? [blank_start]30-40%[blank_end] How much does the blood flow increase to the muscles? [blank_start]It doubles[blank_end] What causes this? [blank_start]Sympathetic activation[blank_end]
Respuesta
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30-40%
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It doubles
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Sympathetic activation
Pregunta 17
Pregunta
What are the percentages by sex of red blood cells in centrifuged blood? [blank_start]Female: 36-46% Male: 41-53%[blank_end]
Respuesta
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Female: 36-46% Male: 41-53%
Pregunta 18
Pregunta
How long does it take for APs to travel from the SA node to the AV node? [blank_start]0.04 seconds[blank_end]
Respuesta
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0.04 seconds
Pregunta 19
Pregunta
How much energy do mammals use in pumping blood? [blank_start]5-10%[blank_end]
Respuesta
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5-10%
Pregunta 20
Pregunta
What percentage of capillaries are patent at one time? [blank_start]30-50%[blank_end] What about capillaries in skeletal muscle? [blank_start]5-10%[blank_end]
Respuesta
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30-50%
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5-10%
Pregunta 21
Pregunta
What is the conduction delay at the AV node? [blank_start]0.12 seconds[blank_end]
Respuesta
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0.12 seconds
Pregunta 22
Pregunta
How many blood cells are produced per day? [blank_start]500 billion[blank_end]
Respuesta
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500 billion
Pregunta 23
Pregunta
How much blood is pumped from each ventricle? [blank_start]70 mL[blank_end]
Respuesta
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70 mL
Pregunta 24
Pregunta
How far can large arteries expand to accept blood during systole? [blank_start]5-10%[blank_end]
Respuesta
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5-10%
Pregunta 25
Pregunta
How many follicles begin maturation with each menstrual cycle? [blank_start]6-20[blank_end]
Respuesta
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6-20
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