Med 143 - Study guides, Class notes & Summaries

MED 143 ANTIDEPRESSANT AGENTS – CHAPTER 21 QUESTIONS VERIFIED ANSWERS 2023. What is the physiological action of tricyclic antidepressants (TCAs)? A) Inhibiting monoamine oxidase inhibitors that break down norepinephrine B) Inhibiting nerve activity, which prevents over excitability or stimulation C) Blocking the reuptake of serotonin, which increases the levels of norepinephrine D) Inhibiting reuptake of norepinephrine and serotonin Ans: D Feedback: TCAs inhibit presynaptic reuptake of ...

MED 143 ADRENERGIC BLOCKING ANTAGONISTS – CHAPTER 31 QUESTIONS AND ANSWERS VERIFIED 2023. The nurse administers an adrenergic blocking agent in order to prevent release of what neurotransmitter? A) Epinephrine B) Norepinephrine C) Serotonin D) Gamma-aminobutyric acid (GABA) Ans: B Feedback: Adrenergic blocking agents prevent norepinephrine from being released from the adrenal medulla or from the nerve terminal from activating the receptor, which blocks sympathetic nervous system effe...

MED 143 Adrenergic Agonists – Chapter 30 Questions & Answers Verified 2023. A patient is admitted to the emergency department in shock. Isoproterenol (Isuprel) is administered. What would the nurse expect the effect of the isoproterenol to be? A) Increased blood pressure B) Decreased blood pressure C) Increased body temperature D) Decreased heart rate Ans: A Feedback: Isoproterenol stimulates beta-adrenergic receptors. Blood pressure is increased and heart rate is increased. Body temp...

MED 143 PSYCHOTHERAPEUTIC AGENTS – CHAPTER 22 QUESTIONS WITH ANSWERS | VERIFIED 2023. A group of patients are being screened to see which patients would be the best candidate for a psychotherapeutic drug trial that helps people concentrate longer on activities. Which patient would be best suited for this trial? A 28-year-old salesperson who alternates between overactivity and periods of depression A 32-year-old hyperactive nursing student who cannot focus long enough to take a test A 55...

MED 143 Adrenergic Agonists – Chapter 30 Questions & Answers Verified 2023. What action do sympathomimetic drugs have in the body? A) Decreased heart rate B) Decreased blood pressure C) Increased respirations D) Increased intraocular pressure Ans: C Feedback: Sympathomimetic drugs increase respirations. Heart rate and blood pressure are also increased and intraocular pressure is decreased. 3.An 80-year-old patient has been brought to the emergency department in shock. The patient is ...

MED 143 ANTIPARKINSONISM AGENTS – CHAPTER 24 VERIFIED QUESTIONS AND ANSWERS 2023. Degeneration of dopamine-releasing neurons in the substantia nigra leads to Parkinson's disease. When dopamine is decreased in the area of the corpus striatum, a chemical imbalance allows the cholinergic or excitatory cells to dominate. This affects the functioning of the basal ganglia and cortical and cerebellar components of the extrapyramidal motor system. This system provides coordination for unconscious...

MED 143 ADRENERGIC BLOCKING ANTAGONISTS – CHAPTER 31 QUESTIONS AND ANSWERS VERIFIED 2023. What medication, if ordered for an 8-year-old patient, should the nurse question? (Select all that apply.) A) Amiodarone (Cordarone) 400 mg orally per 24 hours B) Labetalol (Normodyne) 100 mg orally b.i.d. C) Phentolamine (Regitine) 1 mg intramuscularly 1 to 2 hours before surgery D) Prazosin (Minipress) 3 mg orally t.i.d. E) Carvedilol (Coreg) 6.25 mg orally b.i.d. Ans: A, B, E Feedback: Amiodar...