Quiz
Test 3 Number Quiz
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Perguntas do quiz (25)
1What is the pressure in veins? [blank_start]<10 mmHg[blank_end]
- A<10 mmHg
2How fast does the SA node conduct APs? [blank_start]60-100/min[blank_end]
- A60-100/min
3How fast does the AV node conduct APs? [blank_start]40-60/min[blank_end]
- A40-60/min
4How fast do the Purkinje fibers conduct APs? [blank_start]20-40/min[blank_end]
- A20-40/min
5How fast can the sympathetic nervous system raise blood pressure? [blank_start]Double in 5-15 seconds[blank_end]
- ADouble in 5-15 seconds
6How fast can the body decrease blood pressure? [blank_start]By 1/2 in 10-40 seconds[blank_end]
- ABy 1/2 in 10-40 seconds
7How many hemoglobins are in each red blood cell? [blank_start]280 million[blank_end]
- A280 million
8How much of the blood is in the capillaries? [blank_start]5-7%[blank_end]
- A5-7%
9How much of the blood is in the arteries? [blank_start]16-18%[blank_end]
- A16-18%
10How much of the blood is in the veins? [blank_start]50-70%[blank_end]
- A50-70%
11How many follicles are ovulated in a woman's lifetime? [blank_start]400-500[blank_end]
- A400-500
12How many follicles do women have left by the time they reach puberty? [blank_start]400,000[blank_end]
- A400,000
13How long is the network of capillaries? [blank_start]50-60 million miles[blank_end]
- A50-60 million miles
14How 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]
- A2.5 million
- B120 days
15How much pressure does atrial contraction add? [blank_start]5 mmHg[blank_end]
- A5 mmHg
16How 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]
- A30-40%
- BIt doubles
- CSympathetic activation
17What are the percentages by sex of red blood cells in centrifuged blood? [blank_start]Female: 36-46% Male: 41-53%[blank_end]
- AFemale: 36-46% Male: 41-53%
18How long does it take for APs to travel from the SA node to the AV node? [blank_start]0.04 seconds[blank_end]
- A0.04 seconds
19How much energy do mammals use in pumping blood? [blank_start]5-10%[blank_end]
- A5-10%
20What 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]
- A30-50%
- B5-10%
21What is the conduction delay at the AV node? [blank_start]0.12 seconds[blank_end]
- A0.12 seconds
22How many blood cells are produced per day? [blank_start]500 billion[blank_end]
- A500 billion
23How much blood is pumped from each ventricle? [blank_start]70 mL[blank_end]
- A70 mL
24How far can large arteries expand to accept blood during systole? [blank_start]5-10%[blank_end]
- A5-10%
25How many follicles begin maturation with each menstrual cycle? [blank_start]6-20[blank_end]
- A6-20
Informações
- Descrição
- Test 4
- Autor
- Brianne Schmiegelow
- Idioma
- English
- Visualizações
- 19
- Etiquetas
- Avaliação
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