FREE AND STUDY GAMES ABOUT JUDILYNN ACIERTO

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FREE AND STUDY GAMES ABOUT JUDILYNN ACIERTO

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -135 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: The second largest part of the brain, located just below the posterior portion of the cerebrum, is the

Answer:

cerebellum Question 2: The cerebellum performs all of the following functions except:

Answer:

controls cardiac function.Question 3: A ________ is a skeletal muscle or group of muscles that receives motor axons from a given spinal nerve.

Answer:

myotome

Question 4: Acetylcholine can stimulate _____ receptors.

Answer:

nicotinic

Question 5: Cerebrospinal fluid is formed by filtration of blood in the:

Answer:

choroid plexuses.Question 6: Which of the following is not an example of sympathetic stimulation?

Answer:

Constriction of the bronchioles

Question 7: Which cranial nerve is responsible for the sense of smell?

Answer:

olfactory

Question 8: Which of the following statements is not true?

Answer:

The major function of the parasympathetic division is to serve as an "emergency" system.

Question 9: A term commonly used as a synonym for action potential is

Answer:

nerve impulse.

Question 10: The douloureux is a painful neuralgia of the _______ nerve.

Answer:

trigeminal

Question 11: Which is (are) the neurotransmitter(s) in a somatic motor pathway?

Answer:

Acetylcholine

Question 12: Which of the following is not a function of the hypothalamus?

Answer:

Regulation of motor activity

Question 13: Somatic motor and autonomic pathways share all of the following characteristics

except:

Answer:

number of neurons between central nervous system (CNS) and effector.

Question 14: Which of the following is not true of the knee jerk reflex?

Answer:

It is a flexor reflex.Question 15: Neurons are the only living cells that maintain a difference in the concentration of ions across their membranes.

Answer:

False Question 16: There are two types of synapses--the electrical synapse and the _____ synapse.

Answer:

chemical

Question 17: Audition is a function of the _____ lobe.

Answer:

temporal Question 18: The speed of a nerve impulse depends on the neuron's resting potential.

Answer:

False Question 19: For a neurotransmitter to produce an inhibitor postsynaptic potential, which of the following channels must open?

Answer:

Potassium and/or chloride channels Question 20: Impulses from the ______ play a part in arousing or alerting the cerebrum.

Answer:

thalamus

Question 21: The first event to occur when an adequate stimulus is applied to a neuron is:

Answer:

some of the sodium channels at the point of stimulus open.Question 22: What current leaps across an insulating myelin sheath from node to node, the type

of impulse conduction is called:

Answer:

saltatory conduction.Question 23: When an impulse reaches a synapse:

Answer:

chemical transmitters are released.Question 24: The fastest nerve fibers in the body can conduct impulses up to approximately ________ meters per second.

Answer:

130 Question 25: All of the following are examples of parasympathetic stimulation except:

Answer:

increased heart rate.Question 26: Norepinephrine is liberated at:

Answer:

most sympathetic postganglionic nerve endings.Question 27: What mechanism quickly terminates the action of a neurotransmitter once it binds to its postsynaptic receptor?

Answer:

All of these are correct.Question 28: Which region of the brain plays a part in the mechanism responsible for emotions by associating sensory impulses with feelings of pleasantness and unpleasantness?

Answer:

thalamus