Which of the following conditions does not contraindicate the administration of N2O?

A) Chronic obstructive pulmonary disease
B) Hypertension or cardiovascular disease
C) Gastrointestinal obstructions
D) Psychiatric disorders

B

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Carbohydrates are primarily derived from which food group?

dairy breads and cereals fats and oils proteins

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The "true" skin is the:

A) dermis B) epidermis C) hypodermis D) microdermis

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