Intergrated Cardio Responses Part 2

Question 1

Hemorrhage restores lost plasma proteins and blood cells through:
_______ synthesizes the plasma proteins- several days
Blood cells are produces by the _____ _______- several weeks

Answer 1

Liver
Bone marrow

Question 2

Upright posture deceases central venous pressure by the same amount as does a ___% hemorrhage

Answer 2

10

Question 3

Gravity ________ the distending pressure in dependent vessels such as veins

Answer 3

Increases

Question 4

In prep for exercise, the CNS _________ activity to the heart and blood vessels, but decreases parasympathetic activity to the heart

Answer 4

Increases

Question 5

The ________ reflex prevents BP from falling during exercise

Answer 5

Exercise

Question 6

Central command and the exercise reflex initiate ________ adjustments for exercise

Answer 6

Autonomic

Question 7

Arterial baroreflex fine-tunes the __________ activity to keep the arterial pressure from falling

Answer 7

Autonomic

Question 8

BP control during exercise = arterial pressure the CNS accepts as normal is not fixed but ______ with the type and intensity of exercise

Answer 8

Varies

Question 9

Muscle and respiratory pumps also help _________ cardiac output during exercise

Answer 9

Increase

Question 10

Muscle pump increases the ______ that increases stroke volume and cardiac output

Answer 10

Preload

Question 11

What pump:
Vigorous exercise involves an increase in the rate and depth of respiration

Answer 11

Respiratory pump

Question 12

Diaphragm muscles moves ________ during inspiration and compresses abdominal organs which “squeezes” blood out of abdominal veins and towards central veins

Answer 12

Caudally

Question 13

Respiratory pump action _________ venous return, central venous volume, and ventricular preload during exercise

Answer 13

Increases

Question 14

The cardiac output of most animal species can increase to ___ times its resting level during vigorous exercise

Answer 14

6