FREE SCIENCE AND STUDY GAMES ABOUT AP 10 EXAM

PDF Download FREE SCIENCE AND STUDY GAMES ABOUT A&P 10 EXAM

QUESTIONS

Qs and Ans Expert- Explanation

This Exam contains:

-Guarantee passing score -40 Questions and Answers -format set of multiple-choice -Expert- Explanation

Question 1: 5. The frontal, parietal, occipital, and temporal lobes

• are cerebral structures.
• comprise the brain stem.
• are parts of the diencephalon.
• perform only sensory functions.

Answer:

• are cerebral structures.

Question 2: 19. What is the usual cause of impaired mental functioning in older adults?

• loss of frontal lobe neurons
• deterioration of Broca's area
• demyelination of neurons
• age-related diseases of the blood vessels such as atherosclerosis

Answer:

• age-related diseases of the blood vessels such as atherosclerosis are the usual cause of impaired

mental functioning in older adults.

Question 3: 12. Schwann cells

• line the ventricles and help in the secretion of cerebrospinal fluid.
• are found in all glial cells.
• produce myelin sheath for neurons located within the peripheral nervous system.

Answer:

• produce myelin sheath for neurons located within the peripheral nervous system.

Question 4: 3. Which of the following describes the structure/function of the precentral and postcentral gyri?

• right and left hemispheres
• motor and sensory
• neuronal and glial
• depolarization and repolarization

Answer:

• motor and sensory

Question 5: 15. Which of the following describes the precentral and postcentral gyri?

• Right and left hemispheres
• Motor and sensory

• Supratentorial and infratentorial
• Vision and hearing"

Answer:

• Motor and sensory

Question 6: 10. Repolarization of a neuron occurs in response to

• a rapid influx of sodium.
• a rapid efflux of potassium.
• an influx of K+.
• an influx of calcium.

Answer:

• a rapid efflux of potassium.

Question 7: 25. Which of the following is the exit point of the brain from the cranium?

• central sulcus
• foramen magnum
• coronal suture
• arachnoid villus

Answer:

• foramen magnum

Question 8: 3. Which of the following statements is true?

• The medulla oblongata is a cerebral structure.
• The hypothalamus is a brain-stem structure.
• The medulla oblongata descends as the spinal cord.

Answer:

• The hypothalamus is a brain-stem structure.

Question 9: 12. What happens at a synapse?

• saltatory conduction
• formation of CSF
• chemical transmission of information
• synthesis of myelin sheath

Answer:

• chemical transmission of information

Question 10: 8. Neuroglia

• are classified as sensory and motor.
• include astrocytes, oligodendrocytes, Schwann cells, and ependymal cells.
• fire action potentials when stimulated.
• contain dendrites and axons.

Answer:

• include astrocytes, oligodendrocytes, Schwann cells, and ependymal cells.

Question 11: 2. Which of the following is not descriptive of Broca's area?

• Located in the frontal lobe
• Concerned with motor speech