The herbal supplement melatonin has ________ effects.

A) diuretic
B) sedative
C) antioxidant
D) antitoxin


B) sedative
The herbal supplement melatonin has sedative (and tranquilizer) effects. Potential interactions include CNS depressants, contraceptives, caffeine, fluvoxamine, antidiabetes agents, immunosuppressants, anticoagulants, antiplatelet agents, nifedipine GITS, benzodiazepines, and verapamil.

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What is the term for very concentrated solutions that can be diluted to a particular strength when required?

A) Standard base B) Diluent C) Stock solution D) Dilution solution

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Thermal imagers allow firefighters to see:

A. sources of heat through water. B. sources of heat under furniture. C. sources of heat through thick smoke. D. sources of heat on the opposite side of walls.

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The MOST common cause of status epilepticus is:

A) a sudden drop in blood sugar levels. B) brain swelling from traumatic head injury. C) low levels of antiseizure medications. D) overdose of a hypnotic medication.

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Which of the following statements is true regarding kwashiorkor? 1. Occurs with a long-term loss of protein. 2. Often causes facial and limb edema. 3. Child often has a pot belly. 4. May occur in combination with marasmus

a. 1, 2, and 3 only b. 2 and 3 only c. 2, 3, and 4 only d. 1 and 4 only

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