Practice Question
Which of the following functions does the myelin sheath perform for a nerve cell?
Answer Choices:
Correct Answer:
Insulation
Rationale:
🔍The myelin sheath surrounds the axon of a nerve cell and functions as insulation, allowing faster transmission of electrical impulses along the neuron.
Want to practice more questions like this?
This question is from ATI TEAS 7~Science Practice Test which contains 8 questions.
More Questions from This Exam
The mitochondrial inner membrane carries out the same function in cellular respiration as the membrane of chloroplasts in photosynthesis. Which of the following correctly completes the sentence above?
Answer Choices:
A. thylakoid
B. nuclear
C. tonoplast
D. epithelial
An individual suffers severe blunt trauma to the thoracic cavity. Which of the following organs are at greatest risk from this injury?
Answer Choices:
A. Heart and lungs
B. Brain and spinal cord
C. Large and small intestines
D. Liver and stomach
Which of the following growth curves shows a population that is at it’s carrying capacity?
Answer Choices:
A. B
B. A
C. C
D. D
Which of the following terms describes the relaxation of the chambers of the heart during the cardiac cycle?
Answer Choices:
A. Bradycardia
B. Diastole
C. Systole
D. Tachycardia
How many times stronger is the hydrogen-ion concentration of a pH 4 solution as compared with a pH 9 solution?
Answer Choices:
A. 0.000001
B. 100,000
C. 50
D. 5
Question Details
- Category: ATI TEAS
- Subcategory: Science Exam(s)
- Domain: Science~2024
- Answer Choices: 4