NUR 419 Exam 3 with Practice Questions and Answers

NUR 419 Exam 3 with Practice Questions and Answers 1. A patient in the ICU has a malignant brain tumor. Based on knowledge of the cellular units that make up the nervous system, the nurse understands that which cell type is the least likely to be the origin of this patient's tumor? A) Neuron B) Astrocyte C) Ependymal cell D) Oligodendroglia ANSWER a 2. A patient was involved in a car accident and is in hypovolemic shock, with severe hypotension. Due to damage to the glossopharyngeal nerve, the baroreceptor reflex is inhibited in the patient. What effect of this impaired reflex should the nurse expect to see in this patient? A) Rapid increase in blood pressure B) Lack of immediate withdrawal from painful stimuli C) Lack of compensatory increase in heart rate D) Continuance of motor activity in the intestines ANSWER c 3. A patient in the ICU, in addition to his critical illness, suffers from clinical depression and is receiving medication for it. The nurse understands that this patient's antidepression medications are most likely to inhibit the reuptake of which of the following neurotransmitters? Select all that apply. A) Acetylcholine B) Endorphin C) Enkephalin D) Serotonin E) Norepinephrine F) Substance P ANSWER d, e