NR 507 / NR507 Final Exam Questions With Answers Latest Update 2024 (Graded A+)

NR 507 / NR507 Final Exam Questions With Answers Latest Update 2024 (Graded A+). Continued therapy of pernicious anemia (PA) generally lasts how long? 6 to 8 weeks 8 to 12 months Until the iron level is normal The rest of one’s life Question 2. : What pulmonary defense mechanism propels a mucous blanket that entraps particles moving toward the oropharynx? Nasal turbinates Alveolar macrophages Cilia Irritant receptors on the nares Question 3. : The common hay fever allergy is expressed through a reaction that is mediated by which class of immunoglobulins? IgE IgG IgM T cells Question 4. : Which of the following describes how the body compensates for anemia? Increasing rate and depth of breathing Decreasing capillary vasoconstriction Hemoglobin holding more firmly onto oxygen Kidneys releasing more erythropoietin Question 5. : Obesity creates a greater risk for dehydration in people because: Adipose cells contain little water because fat is water repelling. The metabolic rate of obese adults is slower than the rate of lean adults. The rate of urine output of obese adults is higher than the rate of output of lean adults. The thirst receptors of the hypothalamus do not function effectively. Question 6. : Which hormone prompts increased anxiety, vigilance, and arousal during a stress response? Norepinephrine Epinephrine Cortisol Adrenocorticotropic hormone (ACTH) Question 7. : What is the treatment of choice for pernicious anemia (PA)? Cyanocobalamin by oral intake Vitamin B12 by injection Ferrous fumarate by Z-track injection Folate by oral intake Question 8. : Which sexually transmitted infection frequently coexists with gonorrhea? Syphilis Herpes simplex virus Chlamydia Chancroid Question 9. : During an infection, why do lymph nodes enlarge and become tender? B lymphocytes proliferate. The nodes are inflamed. The nodes fill with purulent exudate. The nodes are not properly functioning. Question 10. : Chvostek and Trousseau signs indicate which electrolyte imbalance? Hypokalemia Hyperkalemia Hypocalcemia Hypercalcemia Question 11. : What is the suggested mean blood pressure for an 8- to 9-year-old child? 104/55 mm Hg 106/58 mm Hg 112/62 mm Hg 121/70 mm Hg Question 12. : Stress-induced sympathetic stimulation of the adrenal medulla causes the secretion of: Epinephrine and aldosterone Norepinephrine and cortisol Epinephrine and norepinephrine Acetylcholine and cortisol Question 13. : Bronchiolitis tends to occur during the first years of life and is most often caused by what type of infection? Respiratory syncytial virus (RSV) Influenzavirus Adenoviruses Rhinovirus Question 14. : What is the function of erythrocytes? Tissue oxygenation Hemostasis Infection control Allergy response Question 15. : The tonic neck reflex observed in a newborn should no longer be obtainable by: 2 years 1 year 10 months 5 months Question 16. Where are Kupffer cells located? Kidneys Liver Pancreas Spleen Question 17. Stress-induced norepinephrine results in: Pupil constriction Peripheral vasoconstriction Increased sweat gland secretions Decreased blood pressure Question 18. Which normal physiologic change occurs in the aging pulmonary system? Decreased flow resistance Fewer alveoli Stiffening of the chest wall Improved elastic recoil Question 19. Which statement accurately describes childhood asthma? An obstructive airway disease characterized by reversible airflow obstruction, bronchial hyperreactivity, and inflammation A pulmonary disease characterized by severe hypoxemia, decreased pulmonary compliance, and diffuse densities on chest x-ray imaging A pulmonary disorder involving an abnormal expression of a protein, producing viscous mucus that lines the airways, pancreas, sweat ducts, and vas deferens An obstructive airway disease characterized by atelectasis and increased pulmonary resistance as a result of a surfactant deficiency Question 20. In which structure does B lymphocytes mature and undergo changes that commit them to becoming B cells?