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FREE ANATOMY AND STUDY GAMES ABOUT
BIO201-FINALREVIEW-5 EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -118 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: Damage to this nerve would cause difficulty in speech.
Answer:
Hypoglossal Nerve (XII) Question 2: If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon __.
Answer:
The impulse would spread bidirectionally.
Question 3: What damage would cause diminished pain perception?
Answer:
Lateral spinothalamic tract
Question 4: Name the plexus that serves the head, neck & shoulders.
Answer:
The cervical plexus
Question 5: __ most always takes a nonspecific acending pathway.
Answer:
Pain
Question 6: Which division controls the pupilary light reflex?
Answer:
The parasympathetic division.
Question 7: Which nerve would connect to a muscle?
Answer:
Multipolar - motor interneuron
Question 8: What organ is involved in micturition (urination)?
Answer:
Bladder
Question 9: Which areas are least sensitive to touch?
Answer:
Back of calf & neck Question 10: Will contraction of a muscle occur if the upper motor neurons serving it have been destroyed?
Answer:
Yes Question 11: What would happen if the dorsal root of a spinal nerve were damaged?
Answer:
Loss of sensory function.Question 12: Improper administration of an injection to the buttocks may injure a nerve of this plexus.
Answer:
sacral plexus - can be injured.
Question 13: In aging, the autonomic inefficiency is often due to __.
Answer:
Cloggin of preganglionic axon terminals with filaments.
Question 14: Fiber type in spinal nerve?
Answer:
Both afferent and efferent Question 15: T/F - The second cranial nerve forms a chiasma at the base of the brain for partial crossover of neural fibers.
Answer:
True - Optic nerve
Question 16: What organ is involved in defecation?
Answer:
Rectum Question 17: White matter (myelinated fibers) is found in all of the following locations, with the exception of the __.
Answer:
Cerebral Cortex - Gray matter Question 18: T/F - Spinal roots and rami are similar in that they both contain sensory and motor fibers.
Answer:
True - both do
Question 19: Which division controls the salivary reflex?
Answer:
Parasympathetic
Question 20: T/F - The sympathetic chain is composed of collateral ganglia.
Answer:
This is false. The chain synapses with collateral ganglia.
Question 21: Most superior boundary of the spinal cord.
Answer:
Foramen magnum
Question 22: Superficial cord reflexes are?
Answer:
Abdominal reflex & plantar reflex.
Question 23: What organ is involved in the cartoid sinus?
Answer:
Cartoid Artery
Question 24: Which cutaneous receptors are most numerous?
Answer:
Pain receptors Question 25: ____ is the tingling sensation or numbness when blood has been cut off from an area, as when the foot "goes to sleep."
Answer:
Ischemia
Question 26: The perineurium defines the boundary of a ___.
Answer:
Fascicle Question 27: T/F - In contrast to the parasympathetic division, the sympathetic division has numerous ganglionic neurons in the gray matter of the spinal cord.
Answer:
This is false. The sympathetic division has ganglia within a few centimeters of the CNS: alongside vertebral column and anterior to vertebral column; not within the gray matter of the spinal cord itself.Question 28: The ___ receptor type is used by the heart, and when activated increases heart rate.
Answer:
Beta-one
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