In which of the following situations would it be MOST appropriate to apply a vest-type extrication device or a short backboard to a patient who is seated in his or her crashed motor vehicle?
A) Conscious with bilateral femur fractures
B) Unconscious with obvious spinal deformity
C) Confused with lower back pain and tachycardia
D) Conscious with neck pain and stable vital signs
Answer: D) Conscious with neck pain and stable vital signs
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Which of the following is not one of the extraembryonic membranes surrounding a fetus?
A. Yolk sac B. Placenta C. Allantois D. Chorion E. Amnion
__________ pass(es) from the maternal blood to the fetal blood. Fetal __________ pass(es) the other way.
A. Carbon dioxide and oxygen; wastes B. Carbon dioxide; nutrients C. Wastes; nutrients and oxygen D. Wastes and nutrients; oxygen and carbon dioxide E. Oxygen and nutrients; wastes
Anabolism is a term that describes _________.
A) reactions that require a net input of energy. B) reactions that release energy and reactions that result in the synthesis of large biomolecules. C) reactions that release energy. D) reactions that require a net input of energy and reactions that result in the synthesis of large biomolecules. E) reactions that result in the synthesis of large biomolecules.
The B vitamins are
A) essential for normal cellular metabolism. B) all of the above. C) grouped because they are in the same foods. D) involved in the oxidation of carbohydrates, lipids, and proteins.