A.1.1.1 Inter-system comunication (part 3)
Authored by Phil Hughes
Science
12th Grade
Used 3+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in the sensory stimulus leading to a motor response?
Sensory stimulus received
CNS sends a message
Motor response occurs
Information travels along motor nerves
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the nervous system is responsible for sending messages to skeletal muscles?
Peripheral nervous system
Motor nerves
CNS
Sensory nerves
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role does the hypothalamus play in temperature control?
Stimulates muscle contraction
Maintains body temperature
Controls breathing rate
Regulates heart rate
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of vasodilation?
Decreasing body temperature
Increasing heart rate
Widening of blood vessels
Narrowing of blood vessels
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sequence of excitation in the heart initiated by?
Bundle of His
Atrioventricular node
Sinoatrial node
Purkinje fibres
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which nerve slows the heart rate?
Vagus nerve
Sympathetic nerve
Phrenic nerve
Accelerator nerve
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the anticipatory rise in heart rate associated with?
Lower pH levels
Decreased blood pressure
Adrenaline production
Increased oxygen levels
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