Problem L1.10
Merkel cell fibers, tactile corpuscles, Ruffini endings, and lamellated corpuscles are all types of:
a. Nociceptors
b. Mechanoreceptors
c. Photoreceptors
d. Chemoreceptors
Problem L2.1
Devise a series of physical examination tests that assess the function of each of the cranial nerves.
Problem L2.2
Predict what might happen if nociceptors were rapidly adapting instead of slowly adapting receptors. Would this change be beneficial or potentially harmful?
Problem L2.3
Explain why you lose both motor and sensory function of a part of your body when a spinal nerve is numbed with anesthetic agents.
Problem L3.1
Complaining of muscle weakness, Delia goes to the doctor. Devise a series of physical examination tests that would help to determine if her problem involves upper or lower motor neurons.
Problem L3.2
Jason presents for evaluation after a severe shoulder injury during which his entire brachial plexus suffered damage. What effects would you expect Jason to have from this injury?
Problem L3.3
When Mr. Williams goes to the emergency department with pain in the area along the midline of the diaphragm, he worries he is having a heart attack. Could the pain be related to his heart? Could it be related to any other organ(s)? Explain.
Problem L3.4
Maria is a 3-year-old who has been diagnosed with CIPA, or congenital insensitivity to pain with anhidrosis. This disease results from a genetic mutation that causes essentially all general sensory neurons to not function properly. What types of sensations will Maria be unable to detect (be specific)? Predict what problems she might face from her condition.
Problem 1a
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
a. The somatic sensory division of the PNS detects sensory stimuli from the organs in the thoracic and abdominopelvic cavities.
Problem 1b
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
b. The somatic motor division of the PNS consists of lower motor neurons that directly innervate skeletal muscle fibers.
Problem 1d
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
d. The term nerve is the equivalent of the term neuron.
Ch. 13 The Peripheral Nervous System