A patient develops a clot that blocks the blood supply to the right cerebral hemisphere. What signs and symptoms would you expect as a result of this blockage?
What will be an ideal response?
Because the right primary motor cortex controls the muscles of the left side of the body, you would expect left-sided paralysis whose extent and severity will depend on the extent of brain injury. Similarly, the patient will experience somatic sensory loss on the left side of the body. Higher-order functions such as memory, planning, spatial orientation, and emotional control could be damaged but many language skills would be spared.
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The bundle of collagen fibers at the end of a skeletal muscle that attaches the muscle to bone is called a(n)
A) Fascicle. B) Tendon. C) Ligament. D) Epimysium. E) Myofibril
Which of the following statements is inaccurate with respect to the sensory system of katydids?
A) Katydids' ears are located in the bend on their front legs. B) Katydids have excellent hearing. C) Katydids' hearing is used to identify mating calls of members of their own species. D) Katydids cannot detect any echolocation sounds made by different species, such as bats.
A gene is best defined as _________________.
a) A segment of a chromosome that allows for DNA replication. b) a segment of DNA that carries instructions for the production of one polypeptide chain. c) A segment of a protein that directs the production of RNA. d) A segment of DNA that carries instructions for the product of a lipid.
During the synthesis of proteins, amino acids are assembled in the proper sequence because each tRNA molecule that brings them to the ribosome has a(n) ________ that binds to a complementary codon in the mRNA
A) anticodon B) codon C) amphicodon D) complicodon E) alticodon