question archive Answer the following multiple choice questions: 1) If both parasympathetic and sympathetic divisions innervate the heart, which is the dominant controller of heart rate? A
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Answer the following multiple choice questions:
1) If both parasympathetic and sympathetic divisions innervate the heart, which is the dominant controller of heart rate?
A. Th parasympathetic division is the dominant controller in stressful situations
B. The sympathetic division is the dominant controller during sleep.
C. The sympathetic division controls heart rate most of the time
D. The parasympathetic division controls heart rate most of the time.
2.In the two motor neuron pathways of the autonomic nervous system, the preganglionic neuron:
A. has its cell bodies in the central nervous system
B. forms a synapse with the effector cell
C. is an afferent neuron
D. is under voluntary control
3.Which of the following two senses are the most closely linked to each other in that information from both travels via the same nerve?
A. Vision and audition
B. Gustation and olfaction
C. Gustation and vision
D. Audition and equilibrium
4.Which of the following is true of the anterior corticospinal tract?
A. They decussate and synapse in the brainstem
B. They are a type of projection tract
C. They provide communication between the left and right hemispheres of the cerebral cortex
D. They innervate both upper and lower limbs
5.Which of the following is not a visceroreceptor?
A. photoreceptor
B. osmoreceptor
C. nociceptor
D. chemoreceptor
8.which major section of the neurological exam is most likely to reveal damage to the cerebrum?
A. cranial nerve exam
B. sensory exam
C. coordination exam
D. mental status exam
9.Both deep tendon and superficial reflexes involve only the ------- for processing.
A. peripheral nervous system
B. cerebellum
C. brain
D. spinal cord
10.The gag reflex requires an intact ---------- nervous system.
A. enteric
B. parasympathetic
C. autonomic
D. sympathetic
11.The flexor and crossed extensor reflexes:
A. require the sympathetic nervous system to function
B. is affected by cerebellar injury
C. are often triggered simultaneously to prevent injury
D. involve both corticospinal and spinothalamic tract
12.Which is the correct sequence of events in a reflex pathway?
A. Sensory neuron, effector, integrating center, motor neuron, sensory receptor
B. Effector, sensory neuron, integrating center, motor neuron, sensory neuron
C. Sensory receptor, sensory neuron, integrating center, motor neuron, effector
D. Integrating center, motor neuron, Effector, sensory neuron, sensory receptor
13.Mr. armstrong , 72, is admitted to the hospital with a diagnosis of stroke(brain damage caused by vascular injury). He shows weakness in his left upper and lower extremities. Mr. Armstrong's brain lesion has most likely occured in the:
A. left cerebral hemisphere
B. right cerebral hemisphere
C. basal nuclei
D. hypothalamus
14.Testing the function of dermatomes is used to test for possible ------ injury.
A. autonomic
B. cerebellar
C. somatic
D. spinal cord
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