Test 3 Number Quiz

What is the pressure in veins? [blank_start]<10 mmHg[blank_end]

How fast does the SA node conduct APs? [blank_start]60-100/min[blank_end]

How fast does the AV node conduct APs? [blank_start]40-60/min[blank_end]

How fast do the Purkinje fibers conduct APs? [blank_start]20-40/min[blank_end]

How fast can the sympathetic nervous system raise blood pressure? [blank_start]Double in 5-15 seconds[blank_end]

How fast can the body decrease blood pressure? [blank_start]By 1/2 in 10-40 seconds[blank_end]

How many hemoglobins are in each red blood cell? [blank_start]280 million[blank_end]

How much of the blood is in the capillaries? [blank_start]5-7%[blank_end]

How much of the blood is in the arteries? [blank_start]16-18%[blank_end]

How much of the blood is in the veins? [blank_start]50-70%[blank_end]

How many follicles are ovulated in a woman's lifetime? [blank_start]400-500[blank_end]

How many follicles do women have left by the time they reach puberty? [blank_start]400,000[blank_end]

How long is the network of capillaries? [blank_start]50-60 million miles[blank_end]

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]

How much pressure does atrial contraction add? [blank_start]5 mmHg[blank_end]

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]

What are the percentages by sex of red blood cells in centrifuged blood? [blank_start]Female: 36-46% Male: 41-53%[blank_end]

How long does it take for APs to travel from the SA node to the AV node? [blank_start]0.04 seconds[blank_end]

How much energy do mammals use in pumping blood? [blank_start]5-10%[blank_end]

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]

What is the conduction delay at the AV node? [blank_start]0.12 seconds[blank_end]

How many blood cells are produced per day? [blank_start]500 billion[blank_end]

How much blood is pumped from each ventricle? [blank_start]70 mL[blank_end]

How far can large arteries expand to accept blood during systole? [blank_start]5-10%[blank_end]

How many follicles begin maturation with each menstrual cycle? [blank_start]6-20[blank_end]