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Question
Which is the correct sequence of events of the cardiac cycle?
A. Ventricular filling isovolumetric contraction isovolumetric relaxation ventricular ejection
B. Ventricular filling isovolumetric relaxation isovolumetric contraction ventricular ejection
C. Ventricular filling ventricular ejection isovolumetric contraction isovolumetric relaxation
D. Ventricular filling isovolumetric relaxation ventricular ejection isovolumetric contraction
E. Ventricular filling isovolumetric contraction ventricular ejection isovolumetric relaxation
Answer
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Related questions
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The sympathetic chain of ganglia is found at the __________ levels of the spinal cord.
A. cervical and thoracic
B. thoracic and lumbar
C. thoracic, lumbar and sacral
D. sacral, lumbar and coccygeal
E. cervical, thoracic, lumbar, sacral, and coccygeal
Q:
Sympathetic nerve fibers are not associated with situations involving __________.
A. anger
B. digestion
C. exercise
D. stress
E. arousal
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Which of the following statements is true regarding parasympathetic tone?
A. It holds the resting heart rate below its intrinsic rate.
B. It accelerates the resting heart rate above its intrinsic rate.
C. It might increase or decrease heart rate depending on the situation.
D. It affects heart rate only after myocardial infarction.
E. It does not affect heart rate.
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Which of the following cranial nerves is mispaired?
A. Abducens - V
B. Oculomotor - III
C. Facial - VII
D. Accessory - XI
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Exhausted from studying all night, you briefly close your eyes and your mind starts to wander. Which brain waves would be most predominant in an EEG?
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B. Beta
C. Delta
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Which of the following structures does not contain CSF?
A. Dural sinus
B. Lateral ventricle
C. Central canal
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Q:
The pyramidal cells of the precentral gyrus are called __________ neurons.
A. stellate
B. third-order
C. first-order
D. upper motor
E. lower motor
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Which of the following is correct regarding the occipital lobe?
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B. It is the principal visual center of the brain.
C. It is the primary site for receiving and interpreting signals from the general senses.
D. It is concerned with voluntary motor functions.
E. It is likely to play a role in understanding spoken language.
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Planning, motivation, and social judgment are functions of the brain associated with which part of the cerebrum?
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B. Tegmentum in the midbrain
C. Cerebellum
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The __________ function(s) in visual attention, such as to look and follow the flight of a butterfly.
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A. To regulate the chemical environment of the nervous tissue
B. To rinse metabolic wastes from the nervous tissue
C. To provide oxygen and nutrients to the nervous tissue
D. To protect the brain from striking the cranium when the head is jolted
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From superficial to deep, the meninges occur in which order?
A. Dura mater, pia mater, arachnoid
B. Dura mater, arachnoid, pia mater
C. Pia mater, dura mater, arachnoid
D. Pia mater, arachnoid, dura mater
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Q:
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B. Diencephalon
C. Mesencephalon
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A person develops anti-A antibodies only after he is exposed to antigen A, and anti-B antibodies only after he is exposed to antigen B.
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C. action of phospholipase A2
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A. G protein activates adenylate cyclase
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