An 18-year-old boy is brought to the ER after suffering a gunshot wound to his back. Radiographic imaging reveals extensive damage to the neural arches of the L1 and L2 vertebrae, with bone and bullet fragments lodged in the vertebral canal at these levels. Comprehensive neurologic examination indicates destruction of the sacral segments of the spinal cord. Which of the following functional outcomes is most likely present?
(A) Reduced sweat gland secretion in the abdominal wall
(B) Decreased motility in the duodenum
(C) Increased motility in the ileum
(D) Paralysis of the psoas major muscle
(E) Relaxation of the teniae coli in the descending colon
Ans: (E) Relaxation of the teniae coli in the descending colon
You might also like to view...
What is the name given to the female homologue to the penis?
What will be an ideal response
Which is not correct regarding lymph nodes?
A. They filter lymph. B. They contain strands of lymphatic cells supported by medullary cords. C. They are drained by afferent lymphatic vessels. D. They contain phagocytic cells. E. None of the choices is correct.
Which ventricle of the brain is found in the diencephalon?
A) third ventricle B) first ventricle C) second ventricle D) fourth ventricle
At any given time it is possible to see endocytotic vesicles docked to intracellular organelles such as those that may receive their contents for modification, synthesis, packaging, and then release. Which organelle would most likely be involved in this process as a destination for a transport vesicle formed for this purpose along the plasma membrane?
A. Golgi apparatus B. Mitochondrion C. Peroxisome D. Lysosome E. Ribosome