Question 16. Question : Which statement concerning benign tumors is true?
The resulting pain is severe.
Benign tumors are not encapsulated.
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Benign tumors are fast growing.
The cells are well-differentiated.
Question 17. Question : Which of the following is classified as a megaloblastic anemia?
Question 18. Question : 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. Question : What is the functional unit of the kidney called?
Question 20. Question : Which hepatitis virus is known to be sexually transmitted?
Question 21. Question : 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. Question : Decreased lung compliance means that the lungs are demonstrating which characteristic?
Inability to diffuse oxygen
Question 23. Question : What is the most common cause of iron deficiency anemia (IDA)?
Decreased dietary intake
Chronic blood loss
Question 24. Question : Which drug may be prescribed orally for outbreak management of herpes simplex viral (HSV) infections?
Zidovudine (AZT) (Retrovir)
Bichloroacetic acid (BCA)
Question 25. Question : In a normal, nonmutant state, an oncogene is referred to as a:
Question 26. Question : What is the primary cause of respiratory distress syndrome (RDS) of the newborn?
Immature immune system
Question 27. Question : Fetal hematopoiesis occurs in which structure?
Question 28. Question : Deficiencies in which element can produce depression of both B- and T-cell function?
Question 29. Question : Phagocytosis involves neutrophils actively attacking, engulfing, and destroying which microorganisms?
Question 30. Question : Which hormone is synthesized and secreted by the kidneys?
Question 31. Question : 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. Question : Which laboratory test is considered adequate for an accurate and reliable diagnosis of gonococcal urethritis in a symptomatic man?
Ligase chain reaction (LCR)
Polymerase chain reaction (PCR)
Question 33. Question : During an IgE-mediated hypersensitivity reaction, which leukocyte is activated?
Question 34. Question : What is the life span of platelets (in days)?
Question 35. Question : 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. Question : Which blood cell type is elevated at birth but decreases to adult levels during the first year of life?
Question 37. Question : Which term is used to identify the movement of gas and air into and out of the lungs?
Question 38. Question : In which primary immune deficiency is there a partial-to-complete absence of T-cell immunity?
Adenosine deaminase deficiency
Question 39. Question : Which substance has been shown to increase the risk of cancer when used in combination with tobacco smoking?
Question 40. Question : 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. Question : Which type of immunity is produced by an individual after either natural exposure to the antigen or after immunization against the antigen?
Question 42. Question : Research supports the premise that exercise has a probable impact on reducing the risk of which cancer?
Question 43. Question : What part of the kidney controls renal blood flow, glomerular filtration, and renin secretion?
Juxtaglomerular apparatus (JGA)
Question 44. Question : What is the fundamental physiologic manifestation of anemia?
Question 45. Question : 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
Question 46. Question : What is the purpose of the spirometry measurement?
To evaluate the cause of hypoxia
To measure the volume and flow rate during forced expiration
To measures the gas diffusion rate at the alveolocapillary membrane
To determine pH and oxygen and carbon dioxide concentrations
Question 47. Question : Carcinoma in situ is characterized by which changes?
Cells have broken through the local basement membrane.
Cells have invaded immediate surrounding tissue.
Cells remain localized in the glandular or squamous cells.
Cellular and tissue alterations indicate dysplasia.
Question 48. Question : The drug heparin acts in hemostasis by which processes?
Inhibiting thrombin and antithrombin III (AT-III)
Preventing the conversion of prothrombin to thrombin
Shortening the fibrin strands to retract the blood clot
Degrading the fibrin within blood clots
Question 49. Question : The coronary ostia are located in the:
Question 50. Question : Blood vessels of the kidneys are innervated by the:
Sympathetic nervous system
Somatic nervous system
Parasympathetic nervous system
Question 51. Question : Which term is used to describe a muscle cell showing a reduced ability to form new muscle while appearing highly disorganized?
Question 52. Question : 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.
Question 53. Question : What is the major concern regarding the treatment of gonococci infections?
Development of antibiotic resistance
Changes in virulence
Changes in pathogenicity
Mutations into different strains
Question 54. Question : 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.
Question 55. Question : How is most carbon dioxide (CO2) in the blood transported?
Attached to oxygen
In the form of bicarbonate
Combined with albumin
Dissolved in the plasma
Question 56. Question : The most common site of metastasis for a patient diagnosed with prostate cancer is which location?
Question 57. Question : Immunoglobulin E (IgE) is associated with which type of hypersensitivity reaction?
Question 58. Question : Which immunoglobulin (Ig) is present in childhood asthma?
Question 59. Question : The Papanicolaou (Pap) test is used to screen for which cancer?
Question 60. Question : The risk for respiratory distress syndrome (RDS) decreases for premature infants when they are born between how many weeks of gestation?
16 and 20
20 and 24
24 and 30
30 and 36