What is the parasympathetic nervous system's influence on the SA node?
a. decrease blood volume
b. increase stroke volume
c. increase blood pressure
d. increase heart rate
e. decrease heart rate
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Question 2) Skeletal muscles are stimulated by the ____________________ nervous system, which is within the ____________________ division of the peripheral nervous system.
Fill in the blank(s) with correct word
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Question 3) What is the parasympathetic nerve supply to the SA and AV nodes?
a. vagus nerve
b. trigeminal nerve
c. accessory nerve
d. cardiac nerve
e. long thoracic nerve
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Question 4) The CNS is comprised of the brain and ____________________.
Fill in the blank(s) with correct word
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Question 5) What are the two determinants of cardiac output?
a. size of the ventricles and stroke volume
b. size of the heart and blood pressure
c. blood pressure and heart size
d. heart rate and ventricular volume
e. heart rate and stroke volume
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Question 6) Stellate neurons process sensory input into the cerebral cortex, while pyramidal neurons in the cortex have long axons that extend to motor neurons in spinal cord.
Indicate whether the statement is true or false
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Question 7) What is cardiac output?
a. volume of blood pumped by both atria per minute
b. volume of blood pumped by each atrium per minute
c. volume of blood pumped by each ventricle per minute
d. volume of blood pumped by both ventricles per minute
e. total amount of blood pumped by the heart
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Question 8) The ventral spinocerebellar pathway in the spinal cord involves ascending tracts, while the ventral corticospinal pathway involves descending tracts.
Indicate whether the statement is true or false
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Question 9) What is a murmur called when it occurs between the first and the second heart sounds?
a. SA murmur
b. atrial murmur
c. ventricular murmur
d. diastolic murmur
e. systolic murmur
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Question 10) During REM sleep, the limbic system becomes more active while the prefrontal cortex becomes less active; as a result, emotions outweigh reasoning during sleep.
Indicate whether the statement is true or false
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