Elderly patients are more susceptible to serious infections and diseases, such as cancer, as a result of reduced host de-fenses due to alterations in:
A. cognitive function
B. T-lymphocyte function
C. mast cells
D. cardiovascular strength
b
Rationale: Elderly patients appear to have reduced host defenses because of alterations in their T-lymphocyte function. As a result, they are more susceptible to serious infections and diseases, such as cancer.
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Deactivation positioning for levator scapulae:
a. Prone b. Supine c. Side-lying d. Seated
Which of the following best describes the principle behind the unit conversion technique known as "dimensional analysis"?
A) All unit systems are able to use prefixes. B) Any quantity can be multiplied by "1" without its value being changed. C) Avogadro's number can identify the number of atoms in a mole. D) The unit "mole" is standard in all unit systems.
Alcohol and alcohol-based prep solutions are volatile and flammable. When alcohol solution or volatile fumes come in contact with heat sources, they can easily cause
A. allergies C. fire B. chemical burn D. thermal burn
A projection that sends the signal to the target tissues or other neurons is called a(n):
A) Dendrite B) Neuroglia C) Body D) Axon