Familial dysautonomia is a rare genetic disorder of the autonomic nervous system. Problems include difficulty in feeding and respiration, vasomotor instability, insensitivity to pain, and ataxia (an unsteady gait). Patients with this syndrome have low numbers of autonomic neurons, probably related to defects in production and/or survival of the neural crest precursors of these neurons. Which of the following structures would not be affected by this disorder?
(A) Pyloricsphincter
(B) Abdominalaorta
(C) Teniaecoli
(D) Diaphragm
(E) Hepatopancreatic sphincter
Answer: (D) Diaphragm
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What will be an ideal response?
____________________ means long term
Fill in the blank(s) with correct word
Match the organelle with its characteristics: Mitochondrion.
A)Composed of two subunits; can be "free" in the cytosol or attached to rough ER BB)Composed of microtubules arranged in nine groups of three C)Cristae; matrix D)Produces protein transport vesicles E)Possesses a cis and trans side; composed of cisternae
Which of the following act as the first line of defense against foreign pathogens?
A. Skin B. Synovial membranes C. Mucous membranes D. Both a and c