Which term means heart contraction?
A) diastole
B) tachycardia
C) systole
D) fibrillation
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Question 2) The ________ is a connective tissue wrapping around fascicles of neuron fibers.
A) epineurium
B) endoneurium
C) perineurium
D) perimysium
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Question 3) The first heart sound, lub, is caused by the closure of the ________ valves.
A) semilunar
B) pulmonary
C) atrioventricular (AV)
D) aortic
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Question 4) Which disease is a progressive, degenerative disease of the brain that ultimately results in dementia and is associated with a shortage of acetylcholine?
A) Parkinson's disease
B) Alzheimer's disease
C) Huntington's disease
D) cerebral palsy
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Question 5) Which wave on the electrocardiogram (ECG) results from the firing of the sinoatrial (SA) node?
A) QRS
B) T
C) P
D) S-T
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Question 6) How many pairs of spinal nerves emerge from the spinal cord?
A) 12
B) 18
C) 25
D) 31
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Question 7) The length of the cardiac cycle is normally ________ second(s) in length.
A) 2
B) 4
C) 0.8
D) 0.3
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Question 8) Hemiplegia and aphasia characterize those patients who have experienced a ________.
A) concussion
B) cerebrovascular accident (CVA), or stroke
C) contusion
D) cerebral edema
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Question 9) Which of the following is often called the pacemaker of the heart?
A) Purkinje fibers
B) sinoatrial (SA) node
C) atrioventricular (AV) bundle (bundle of His)
D) atrioventricular (AV) node
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Question 10) The delicate innermost membrane, or meningeal layer, that clings to the surface of the brain and spinal cord is known as the ________ mater.
A) dura
B) arachnoid
C) periosteal
D) pia
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