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NUR230 Exam 4 QUESTIONS WITH COMPLETE ANSWERS ALREADY GRADED A+
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NUR230 Exam 4 QUESTIONS WITH COMPLETE ANSWERS ALREADY GRADED A+
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ESTUDYNUR230 Exam 4 QUESTIONS WITH COMPLETE ANSWERS
ALREADY GRADED A+
### 1. What is the main role of afferent neurons?
A) Conduct impulses towards the muscles
B) Carry impulses away from the central nervous system
C) Carry impulses towards the central nervous system
D) Produce neurotransmitter chemicals
**Correct Answer: C) Carry impulses towards the central nervous system**
### 2. What is the primary function of efferent neurons?
A) Carry impulses towards the brain
B) Conduct impulses away from the central nervous system
C) Relay sensory information
D) Protect and nourish neurons
**Correct Answer: B) Conduct impulses away from the central nervous system**
### 3. Axons are covered with which substance?
A) Blood vessels
B) Myelin sheath
C) Gray matter
D) Muscle tissue
**Correct Answer: B) Myelin sheath**
### 4. What are Nodes of Ranvier important for?
A) Sensory perception
B) Muscle contraction
C) Impulse conduction
D) Blood circulation
**Correct Answer: C) Impulse conduction**
### 5. What happens if the myelin is impaired?
A) Impulses travel faster
B) Impulses cannot travel from the brain to the rest of the body
C) Impulses are unaffected
D) Brain function improves
,ESTUDY
**Correct Answer: B) Impulses cannot travel from the brain to the rest of the body**
### 6. What does each neuron produce?
A) Electrical impulses only
B) A specific neurotransmitter chemical
C) Multiple neurotransmitter chemicals
D) Hormones
**Correct Answer: B) A specific neurotransmitter chemical**
### 7. What is the main function of neuroglia cells (glial cells)?
A) Conduct electrical impulses
B) Provide protection, structure, and nutrition for neurons
C) Produce neurotransmitters
D) Control muscle movements
**Correct Answer: B) Provide protection, structure, and nutrition for neurons**
### 8. What are meninges?
A) Nerve cells
B) Blood vessels
C) Three layers of connective tissue around the brain and spinal cord
D) Bone structures
**Correct Answer: C) Three layers of connective tissue around the brain and spinal cord**
### 9. What is the dura mater?
A) The outer layer of the brain
B) Thick, outermost layer of the meninges
C) A type of neuron
D) The inner layer of the meninges
**Correct Answer: B) Thick, outermost layer of the meninges**
### 10. What is the arachnoid mater?
A) The thick outermost layer
B) The middle layer of the meninges
C) The inner layer of the skin
D) The layer covering the spinal cord
**Correct Answer: B) The middle layer of the meninges**
, ESTUDY
### 11. What is the pia mater?
A) The thickest layer of the meninges
B) The middle layer of the brain covering
C) Thin, delicate inner membrane of the meninges
D) The outermost layer of the meninges
**Correct Answer: C) Thin, delicate inner membrane of the meninges**
### 12. What are the main functions of the frontal lobe?
A) Visual processing
B) Motor skills, behavior regulation, reasoning, and voluntary eye movement
C) Hearing and language comprehension
D) Sensory perception
**Correct Answer: B) Motor skills, behavior regulation, reasoning, and voluntary eye movement**
### 13. What are the main functions of the parietal lobe?
A) Taste impulses, spatial perception, and understanding sensory input
B) Speech and motor skills
C) Vision processing
D) Memory and emotion
**Correct Answer: A) Taste impulses, spatial perception, and understanding sensory input**
### 14. What are the main functions of the temporal lobe?
A) Motor skills and reasoning
B) Auditory center for sound interpretation and language comprehension
C) Taste and touch sensation
D) Visual processing
**Correct Answer: B) Auditory center for sound interpretation and language comprehension**
### 15. What is the primary function of the occipital lobe?
A) Sound interpretation
B) Visual processing
C) Taste perception
D) Motor control
**Correct Answer: B) Visual processing**
### 16. What role does the thalamus play?
A) Controls voluntary movement
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