Kahoots post-quiz 1

Question 1

What becomes smaller as a muscle contracts?

Answer 1

H zone

Question 1

What participate in cross bridge interactions?

Answer 1

Actin and myosin

Question 2

How many heads does myosin have?

Answer 2

2

Question 3

What happens to muscle during isometric contraction?

Answer 3

It doesn’t change length

Question 4

What WBC accounts for the highest percentage?

Answer 4

Neutrophils

Question 5

Monocytes are blood cells that mature into what?

Answer 5

Macrophages

Question 6

Where is EPO (erythropoietin) produced?

Answer 6

Kidneys

Question 7

What is the end product of the coagulation cascade?

Answer 7

Fibrin

Question 8

Which immunoglobulin is mainly involved in the primary immune response?

Answer 8

IgM

Question 9

What is the most abundant immunoglobulin?

Answer 9

IgG

Question 10

Where are plasma proteins synthesized?

Answer 10

Liver

Question 11

What chamber receives deoxygenated blood from the vena cava?

Answer 11

Right atrium

Question 12

What part of an EKG shows atrial depolarization?

Answer 12

P wave

Question 13

True or false: most of the cardiac tissue is made of autorhythmic cells

Answer 13

False; most is muscle cells

Question 14

Where do the Purkinje fibers originate?

Answer 14

Bundle of His

Question 15

What valve is between the right atrium and right ventricle?

Answer 15

Tricuspid

Question 16

What layer of the heart contains the most mitochondria?

Answer 16

Myocardium

Question 17

What is the average volume of blood in the human body?

Answer 17

5-5.5L

Question 18

List the flow of blood through the heart from the vena cava

Answer 18

1) Right atrium
2) Right ventricle
3) Left atrium
4) Left ventricle

Question 19

List the flow of blood through the valves starting a the vena cava

Answer 19

1) Tricuspid
2) Pulmonic SL valve
3) Mitral
4) Aortic SL valve