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WorksheetsCardiovascular System's Response to Exercise
Total questions: 13
Worksheet time: 14mins
The Sympathetic Nervous System is controlled by the
Somatic Nervous System
Central Nervous System
Medula Oblongata
Cerebellum
The Autonomic Nervous System is controlled in the medulla oblongata. You can Categorize the autonomic Nervous system, in two parts. What are they?
(a)
The _________ slows things such as your HR and breathing down
Medula Oblongata
Sympathetic Nervous System
Cardiac Control Center
Parasympathetic Nervous System
The Sympathetic Nervous System controls heart rate by releasing which hormones
epinephrin
Norepinephrine
Oxytocin
ATP
The more common name for epinephrin is:
Glucose
Cortisol
Energy
Adrenaline
The redistribution of blood flow from one area of the body to another, is controlled by the _________.
Cardiac Control System
Gravity
Blood Pooling
Vascular Shunt Mechanism
At rest about 80% of our blood supply goes to our skeletal muscles.
True
False
Which blood vessels have valves?
(a)
Gas exchange happens in the ________.
Veins
Arteries
Capillaries
Venules & Arterioles
Blood flow into the capillary bed is controlled by pre-capillary sphincters at the entrance to the capillary bed: They can constrict, limiting blood flow and they can dilate, maximizing blood flow.
Question:
At rest arterioles to the organs vasodilate, increasing blood flow to the organs, while arterioles to the skeletal muscles vasoconstrict.
True
False
This person's HR is 180 BPM and their SV is 100 ml. What is their cardiac output?
20 L
180 ML
18 L
8 L
Jaimie is warming up for a basketball game. His HR is 102 BPM and his SV is 96 ml. The game starts and both his HR & SV go up by 30%. What is his CO?
(a)
Why does the graph not start at 0?
because your cardiac output is 60 L
because the graph is wrong
because your heart is never at 0
