Human A&P Chapter 13

Axons within the central nervous system can regenerate themselves after damage. T/F

False

In a reflex, the integration center is usually in the brain. T/F

False

sensory information from nose

Olfactory

movement of skeletal muscles surrounding the eye

Trochlear, oculomotor,

You go into anatomy lab and are immediately aware of the smell of preserved specimen when you walk through the door. A few minutes later you don't notice the noxious odor of the preserving fluid anymore and you can continue with lab without complaint. This is an example of phasic sensory receptor adaption. T/F

True

regulation of PNS in thoracic and abdominal viscera

Vagus

The sciatic nerve is part of the ________ plexus. a. sacral b. lumbar c. brachial d. cervical

a. sacral

Free nerve endings that detect pain are found in the integumentary system and other locations throughout the body. These sensory receptors are primarily categorized as: a. mechanoreceptors b. nociceptors c. chemoreceptors d. thermoreceptors

b. nociceptors

Which of the following is a correct description of the dorsal ramus? a. The dorsal ramus and the dorsal root ganglion combine to form a spinal nerve b. the dorsal ramus of each spinal nerve supplies sensory and motor fibers to the posterior portion of the body c. the dorsal ramus is a collection of sensory neuron cell bodies d. the dorsal ramus consists of purely motor nerve fibers

b. the dorsal ramus of each spinal nerve supplies sensory and motor fibers to the posterior portion of the body

The ________ is connective tissue that covers each individual neuron within a peripheral nerve. a. perineurium b. fasicle c. endoneurium d. epineurium

c. endoneurium

Sensory perception is the interpretation of sensory information and occurs at the __________ level. a. spinal cord b. thalamus c. receptor d. cerebral cortex

d. cerebral cortex

During a stretch reflex such as the patellar reflex, antagonistic muscles are relaxed so the stipulated muscles can contract. This is known as: a. a monosynaptic pathway b. a learned reflex c. crossed-extensor reflex d. reciprocal inhibition

d. reciprocal inhibition

sensory information from taste buds

facial, glossopharyngeal

movement of the tongue

hypoglossal

muscles of mastication

trigeminal