Anatomy & Physiology Final Exam Review

Which of the following places the regions of the vertebral column in the correct order, starting in the neck?

• cervical->thoracic->lumbar->sacral->coccyx

• cervical->thoracic->lumbar->coccyx->sacral

• thoracic->lumbar->cervical->sacral->coccyx

• thoracic->lumbar->cervical->coccyx->sacral

Which of the following is not considered to be part of the axial skeleton?

• coxal bones

• rib cage

• vertebral column

• skull

The ___ girdle provides more flexibility and motility than the ___ girdle. The ___ girdle is the sturdiest of the two. Mark only one oval.

• pelvic, pectoral, pectoral

• pelvic, pectoral, pelvic

• pectoral, pelvic, pectoral

• pectoral, pelvic, pelvic

Which of the following best describes how myelination affects the transmission of nerve impulse? Mark only one oval.

• It speeds up the transmission of impulses by acting as an electrical insulator.

• It speeds up the transmission of impulses by integrating signal information more quickly.

• It slows down the transmission of impulses by forming gaps called the nodes of Ranvier.

• It slows down the transmission of impulses by blocking the movement of ions across the membrane.

To increase the strength of a nerve signal, neurons will Mark only one oval.

• increase the frequency of the action potential.

• increase the voltage of the action potential.

• decrease the frequency of the action potential.

• decrease the voltage of the action potential.

The most specific division of the nervous system responsible for our "fight or flight" response is the:

• sensory division

• parasympathetic division

• autonomic

• sympathetic

Which of the following statements does not apply to the parasympathetic division?

• It is a division of the autonomic nervous system

• It communicates to more than one effector organ at a time

• It is antagonistic to the sympathetic division

• It maintains the body's regulatory processes, such as digestion and excretion

Which of the following statements does not affect the response of a target cell to a hormone?

• If the target cell has the specific receptors for the hormone

• The binding strength between the hormone and the receptor

• The relative number of receptors for the particular hormone

• The blood levels of the hormone

Photoreceptors in our eyes are responsible for converting ________ to ________.

• electromagnetic energy to electrical energy

• light energy to mechanical energy

• electromagnetic energy to chemical energy

• light energy to chemical energy

Which structure is essential for maintaining our balance when we rotate our heads?

• Tympanic membrane

• Papillae

• Auditory ossicles

• Semicircular canals