NR507 midterm exam with correct answers**graded A**

Score for this quiz: 118 out of 120 Submitted Jul 29 at 7:12am This attempt took 54 minutes. The lung is innervated by the parasympathetic nervous system via which nerve? Vagus Phrenic Brachial Pectoral . What is the action of urodilatin? Urodilatin causes vasoconstriction of afferent arterioles. It causes vasodilation of the efferent arterioles. Urodilatin inhibits antidiuretic hormone secretion. It inhibits salt and water reabsorption. What is the direct action of atrial natriuretic hormone? Sodium retention Sodium excretion Water retention Water excretion Which statement best describes a Schilling test? Administration of radioactive cobalamin and the measurement of its excretion in the urine to test for vitamin B12 deficiency Measurement of antigen-antibody immune complexes in the blood to test for hemolytic anemia Measurement of serum ferritin and total iron-binding capacity in the blood to test for iron deficiency anemia Administration of folate and measurement in 2 hours of its level in a blood sample to test for folic acid deficiency anemia. Hemolytic disease of the newborn (HDN) can occur if the mother: Is Rh-positive and the fetus is Rh-negative Is Rh-negative and the fetus is Rh-positive Has type A blood and the fetus has type O Has type AB blood and the fetus has type B Which T-lymphocyte phenotype is the key determinant of childhood asthma? Cluster of differentiation (CD) 4 T-helper Th1 lymphocytes CD4 T-helper Th2 lymphocytes CD8 cytotoxic T lymphocytes Memory T lymphocytes Perceived stress elicits an emotional, anticipatory response that begins where? Prefrontal cortex Anterior pituitary Limbic system Hypothalamus Hypersensitivity is best defined as a(an): Disturbance in the immunologic tolerance of self-antigens Immunologic reaction of one person to the tissue of another person Altered immunologic response to an antigen that results in disease Undetectable immune response in the presence of antigens It has been determined that a tumor is in stage 2. What is the meaning of this finding? Cancer is confined to the organ of origin. Cancer has spread to regional structures. Cancer is locally invasive. Cancer has spread to distant sites An infant has a loud, harsh, holosystolic murmur and systolic thrill that can be detected at the left lower sternal border that radiates to the neck. These clinical findings are consistent with which congenital heart defect? Atrial septal defect (ASD) Ventricular septal defect (VSD) Patent ductus arteriosus (PDA) Atrioventricular canal (AVC) defect . Which statement concerning exotoxins is true? Exotoxins are contained in cell walls of gram-negative bacteria. Exotoxins are released during the lysis of bacteria. Exotoxins are able to initiate the complement and coagulation cascades. Exotoxins are released during bacterial growth. The function of the foramen ovale in a fetus allows what to occur? Right-to-left blood shunting Left-to-right blood shunting Blood flow from the umbilical cord Blood flow to the lungs Which laboratory test is considered adequate for an accurate and reliable diagnosis of gonococcal urethritis in a symptomatic man? Ligase chain reaction (LCR) Gram-stain technique Polymerase chain reaction (PCR) DNA testing Which manifestations of vasoocclusive crisis are associated with sickle cell disease (SCD) in infants? Atelectasis and pneumonia Edema of the hands and feet Stasis ulcers of the hands, ankles, and feet Splenomegaly and hepatomegaly . Which statement concerning benign tumors is true? ...................................................CONTINUED...................................................