Select the best response to the question. ?
?You are working in a pediatric clinic and the physician has prescribed tetracycline for a 5-year-old patient. What should your next action be?
A) Prepare the first dose so it can be administered before the patient leaves the clinic.
B) Instruct the patient's mother to avoid giving the medication with dairy products, which can inhibit its absorption.
C) Clarify the prescription with the physician since tetracycline can cause permanent tooth discoloration in children under 9.
D) Give the patient's mother the prescription along with written instructions about the medication.
C
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The continued high frequency of the sickle allele (S) of hemoglobin in Africans, in some Mediterranean populations, and in populations descended recently from Africans is a reflection of the response of ____ to a regional disease
Fill in the blank with the appropriate word.
Catabolite repression of the lac operon restricts expression when:
A. glucose is absent. B. lactose is absent. C. glucose is present. D. lactose is present.
In biological membranes, the phospholipids are arranged in a
A) single layer, with the fatty acids facing the interior of the cell. B) bilayer, with the phosphorus groups in the interior of the membrane. C) bilayer, with the fatty acids pointing toward one another. D) single layer, with the phosphorus-containing region facing the interior of the cell. E) bilayer, with the fatty acids facing outward (facing the interior and exterior of the cell).
Which of the following statements is not true concerning acetylcholine's function?
A. In the PNS, acetylcholine excites skeletal muscle. B. Acetylcholine has an excitatory effect on smooth muscle and glands. C. In the PNS, acetylcholine inhibits cardiac muscle. D. The enzyme acetylcholinesterase removes acetylcholine from the receiving cell's membrane. E. Acetylcholine is active in both the CNS and PNS.