Question 29. Question : Phagocytosis involves neutrophils actively attacking, engulfing, and destroying which microorganisms? Bacteria Fungi Viruses Yeasts

Question 28. Question : Deficiencies in which element can produce depression of both B- and T-cell function?

Iron

Zinc

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Iodine

Magnesium

Question 29. Question : Phagocytosis involves neutrophils actively attacking, engulfing, and destroying which microorganisms?

Bacteria

Fungi

Viruses

Yeasts

Question 30. Question : Which hormone is synthesized and secreted by the kidneys?

Antidiuretic hormone

Aldosterone

Erythropoietin

Angiotensinogen

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)

Gram-stain technique

Polymerase chain reaction (PCR)

DNA testing

Question 33. Question : During an IgE-mediated hypersensitivity reaction, which leukocyte is activated?

Neutrophils

Monocytes

Eosinophils

T lymphocytes

Question 34. Question : What is the life span of platelets (in days)?

10

30

90

120

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?

Monocytes

Platelets

Neutrophils

Lymphocytes

Question 37. Question : Which term is used to identify the movement of gas and air into and out of the lungs?

Perfusion

Ventilation

Respiration

Diffusion

Question 38. Question : 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. Question : Which substance has been shown to increase the risk of cancer when used in combination with tobacco smoking?

Alcohol

Steroids

Antihistamines

Antidepressants

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?

Passive-acquired immunity

Active-acquired immunity

Passive-innate immunity

Active-innate immunity

Question 42. Question : Research supports the premise that exercise has a probable impact on reducing the risk of which cancer?

Liver

Endometrial

Stomach

Colon

Question 43. Question : 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. Question : What is the fundamental physiologic manifestation of anemia?

Hypotension

Hyperesthesia

Hypoxia

Ischemia

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:

Left ventricle

Aortic valve

Coronary sinus

Aorta

Question 50. Question : Blood vessels of the kidneys are innervated by the:

Vagus nerve

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?

Dysplasia

Hyperplasia

Myoplasia

Anaplasia

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?

Bones

Brain

Bladder

Kidney

Question 57. Question : Immunoglobulin E (IgE) is associated with which type of hypersensitivity reaction?

I

II

III

IV

Question 58. Question : Which immunoglobulin (Ig) is present in childhood asthma?

IgM

IgG

IgE

IgA

Question 59. Question : The Papanicolaou (Pap) test is used to screen for which cancer?

Ovarian

Uterine

Cervical

Vaginal

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

 

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