Chat with us, powered by LiveChat NR507 Week 4 Midterm Exam 2019 - STUDENT SOLUTION USA

1.            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
Question 2.         Examination of the throat in a child demonstrating signs and symptoms of acute epiglottitis may contribute to which life-threatening complication?
                                                 Retropharyngeal abscess
                                                 Rupturing of the tonsils
                                                 Gagging induced aspiration
Question 3.         If the sinoatrial (SA) node fails, then at what rate (depolarizations per minute) can the atrioventricular (AV) node depolarize?
                                                 60 to 70
                                                 40 to 60
                                                 30 to 40
                                                 10 to 20
Question 4.         What is the ratio of coronary capillaries to cardiac muscle cells?
                                                 1:1 (one capillary per one muscle cell)
                                                 1:2 (one  capillary per two muscle cells)
                                                 1:4 (one  capillary per four muscle cells)
                                                 1:10 (one  capillary per ten muscle cells)
Question 5.         Which cytokines initiate the production of corticotropin-releasing hormone (CRH)?
                                                 IL–1 and IL-6
                                                 IL-2 and TNF-?
                                                 IFN and IL-12
                                                 TNF-ß and IL-4
Question 6.         What process allows the kidney to respond to an increase in workload?
                                                 Glomerular filtration
                                                 Secretion of 1,25-dihydroxyvitamin D3
                                                 Increased heart rate
                                                 Compensatory hypertrophy
Question 7.         Which type of antibody is involved in type I hypersensitivity reaction?
Question 8.         Causes of hyperkalemia include:
                                                 Hyperparathyroidism and malnutrition
                                                 Vomiting and diarrhea
                                                 Renal failure and Addison disease
                                                 Hyperaldosteronism and Cushing disease
Question 9.         What is the first stage in the infectious process?
Question 10.      Which statement is true concerning the IgM?
                                                 IgM is the first antibody produced during the initial response to an antigen.
                                                 IgM mediates many common allergic responses.
                                                 IgM is the most abundant class of immunoglobulins.
                                                 IgM is capable of crossing the human placenta.
Question 11.      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
Question 12.      What is the chief predisposing factor for respiratory distress syndrome (RDS) of the newborn
                                                 Low birth weight
                                                 Alcohol consumption during pregnancy
                                                 Premature birth
                                                 Smoking during pregnancy
Question 13.      Which cardiac chamber has the thinnest wall and why?
                                                 The right and left atria; they are low-pressure chambers that serve as storage units and conduits for blood.
                                                 The right and left atria; they are not directly involved in the preload, contractility, or afterload of the heart.
                                                 The left ventricle; the mean pressure of blood coming into this ventricle is from the lung, which has a low pressure.
                                                 The right ventricle; it pumps blood into the pulmonary capillaries, which have a lower pressure compared with the systemic circulation.
Question 14.      What is the direct action of atrial natriuretic hormone?
                                                 Sodium retention
                                                 Sodium excretion
                                                 Water retention
                                                 Water excretion
Question 15.      What is the primary site for uncomplicated local gonococci infections in men?
                                                 Lymph nodes
Question 16.      Which statement concerning benign tumors is true?
                                                 The resulting pain is severe.
                                                 Benign tumors are not encapsulated.
                                                 Benign tumors are fast growing.
                                                 The cells are well-differentiated.
Question 17.      Which of the following is classified as a megaloblastic anemia?
                                                 Iron deficiency
Question 18.      Apoptosis is a(an):
                                                 Normal mechanism for cells to self-destruct when growth is excessive
                                                 Antigrowth signal activated by the tumor-suppressor gene Rb
                                                 Mutation of cell growth stimulated by the TP53 gene
                                                 Transformation of cells from dysplasia to anaplasia
Question 19.      What is the functional unit of the kidney called?
                                                 Collecting duct
Question 20.      Which hepatitis virus is known to be sexually transmitted?
Question 21.      The glomerular filtration rate is directly related to which factor?
                                                 Perfusion pressure in the glomerular capillaries
                                                 Diffusion rate in the renal cortex
                                                 Diffusion rate in the renal medulla
                                                 Glomerular active transport
Question 22.      Decreased lung compliance means that the lungs are demonstrating which characteristic?
                                                 Difficult deflation
                                                 Easy inflation
                                                 Inability to diffuse oxygen
Question 23.      What is the most common cause of iron deficiency anemia (IDA)?
                                                 Decreased dietary intake
                                                 Chronic blood loss
                                                 Vitamin deficiency
                                                 Autoimmune disease
Question 24.      Which drug may be prescribed orally for outbreak management of herpes simplex viral (HSV) infections?
                                                 Acyclovir (Zovirax)
                                                 5-Fluorouracil (5-FU)
                                                 Zidovudine (AZT) (Retrovir)
                                                 Bichloroacetic acid (BCA)
Question 25.      In a normal, nonmutant state, an oncogene is referred to as a:
                                                 Basal cell
                                                 Target cell
                                                 Caretaker gene
Question 26.      What is the primary cause of respiratory distress syndrome (RDS) of the newborn
                                                 Immature immune system
                                                 Small alveoli
                                                 Surfactant deficiency
Question 27.      Fetal hematopoiesis occurs in which structure?
                                                 Bone marrow
Question 28.      Deficiencies in which element can produce depression of both B- and T-cell function?
Question 29.      Phagocytosis involves neutrophils actively attacking, engulfing, and destroying which microorganisms?
Question 30.      Which hormone is synthesized and secreted by the kidneys?
                                                 Antidiuretic hormone
Question 31.      Which congenital heart defects occur in trisomy 13, trisomy 18, and Down syndrome?
                                                 Coarctation of the aorta (COA) and pulmonary stenosis (PS)
                                                 Tetralogy of Fallot and persistent truncus arteriosus
                                                 Atrial septal defect (ASD) and dextrocardia
                                                 Ventricular septal defect (VSD) and patent ductus arteriosus (PDA)
Question 32.      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
Question 33.      During an IgE-mediated hypersensitivity reaction, which leukocyte is activated?
                                                 T lymphocytes
Question 34.      What is the life span of platelets (in days)?
Question 35.      What is the role of caretaker genes?
                                                 Maintenance of genomic integrity
                                                 Proliferation of cancer cells
                                                 Secretion of growth factors
                                                 Restoration of normal tissue structure
Question 36.      Which blood cell type is elevated at birth but decreases to adult levels during the first year of life?
Question 37.      Which term is used to identify the movement of gas and air into and out of the lungs?
Question 38.      In which primary immune deficiency is there a partial-to-complete absence of T-cell immunity?
                                                 Bruton disease
                                                 DiGeorge syndrome
                                                 Reticular dysgenesis
                                                 Adenosine deaminase deficiency
Question 39.      Which substance has been shown to increase the risk of cancer when used in combination with tobacco smoking?
Question 40.      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.
Question 41.      Which type of immunity is produced by an individual after either natural exposure to the antigen or after immunization against the antigen?
                                                 Passive-acquired immunity
                                                 Active-acquired immunity
                                                 Passive-innate immunity
                                                 Active-innate immunity
Question 42.      Research supports the premise that exercise has a probable impact on reducing the risk of which cancer?
Question 43.      What part of the kidney controls renal blood flow, glomerular filtration, and renin secretion?
                                                 Macula densa
                                                 Visceral epithelium
                                                 Juxtaglomerular apparatus (JGA)
                                                 Filtration slits
Question 44.      What is the fundamental physiologic manifestation of anemia?
Question 45.      Between which months of age does sudden infant death syndrome (SIDS) most often occur
                                                 0 and 1
                                                 2 and 4
                                                 5 and 6
                                                 6 and 7

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