WGU D116 Unit 3 Questions & Answers/ (Top 2024/2025 EXAM REVIEW PAPERS / GRADED A+/ 100% Accurate)

WGU D116 Unit 3 Questions & Answers A patient asks his provider to explain what drug tolerance means. The provider responds by telling the patient that when tolerance occurs, it means the patient __________. -may need increased amounts of the drug over time When tolerance develops, a dose increase may be needed because a decreased response may occur with prolonged use A group of nursing students asks a nurse to explain the blood-brain barrier. The nurse would be correct to say that the blood-brain barrier __________. -Prevents some potentially toxic substances from crossing into the central nervous system Infants are more sensitive to CNS drugs and require lower doses Prevents highly ionized and protein-bound drugs from entering Allows lipid-soluble drugs drugs and drugs that use specific transport systems to enter A pregnant patient is in premature labor. Which class of drug will she be given? -Beta 2 agonist (helper) Part of the peripheral adrenergic receptor subtypes (epi/norepi) Beta2 agonists cause relaxation of the uterine muscles, slowing or stopping the contractions that precipitate labor *Beta2 ANTagonist would increase constriction of the uterine muscles* What type of drug class has effects on the heart and arterioles? -Alpha1 agonist Anticcholinergic drugs are given for what effects? -Urinary and GI tracts They do not affect the urine muscle