Muscles in the anterior compartment of the leg
a. evert the foot.
b. dorsiflex the foot and extend the toes.
c. plantar flex the foot.
d. flex the toes.
b. dorsiflex the foot and extend the toes.
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If an E. coli bacterium were to have a protein with the correct amino acid sequence, but not the correct shape, which of the following is a logical explanation for what could be wrong?
A. The chaperone protein associated with protein folding is not functional. B. An error in transcription occurred. C. Peptide bonds were not able to form between the amino acids. D. The shape-coding region of the DNA sequence related to this protein is mutated.
Tom is in respiratory arrest due to an electrical shock. Why does a good samaritan have up to 4 or 5 minutes to begin CPR and save Tom's life?
A. There is a venous reserve of oxygen in Tom's blood. B. There is reserve oxygen in Tom's lungs. C. The Haldane effect lasts up to 5 minutes. D. The ambient PO2 can support life that long. E. Tom's hypoxic drive will keep him alive for up to 5 minutes.
The brachiocephalic artery is relatively short and rapidly divides into the:
A. internal and external carotid arteries. B. brachial artery and the posterior vertebral arteries. C. right common carotid artery and right subclavian artery. D. internal carotid arteries and posterior vertebral arteries.
The ribs articulate with the _____ vertebrae
A. sacral B. lumbar C. thoracic D. cervical E. coccygeal