Which of the following best describes the function of the subcutaneous layer?
A) Secretes chemicals.
B) Offers protection from the environment.
C) Houses larger blood vessels.
D) Serves as a barrier to bacteria.
Answer: C) Houses larger blood vessels.
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The best assessment of the function of the diaphragm during inspiration is obtained by measuring which of the following?
a. Airway resistance b. Pressure-time product c. Pressure-volume curve d. Maximum inspiratory pressure
Bacteria that are able to cause urinary tract infections often possess
A) a capsule. B) endotoxin. C) fimbriae. D) antibiotic resistance.
The recommended vertical angulation for exposing a mandibular incisor periapical radiograph
using the bisecting technique is: a. -10 degrees b. -15 degrees c. -20 degrees d. -5 degrees
The author describes a model of a professional athlete's career to show that
A. cyclists at all levels of competition feel a need to use drugs when they race. B. cyclists use drugs in order to do their jobs successfully. C. medical support staff are trained to discourage drug use by athletes. D. very few professional cyclists use performance enhancing substances.