Nokea
Which is the process by which certain cells engulf and digest microorganisms and cellular debris?
- A. Erythrocytosis
- B. Hematocrit
- C. Phagocytosis
- D. Hemostasis
Correct Answer: C
Rationale: Phagocytosis is the process by which bacteria, cellular debris, and solid particles are destroyed and removed.
You may also like to solve these questions
The spleen is a highly vascularized organ located in the left upper quadrant of the abdominal cavity. Which is the main function of the spleen?
- A. Serve as reservoir for blood.
- B. Destroy worn-out RBCs.
- C. Promote phagocytosis.
- D. Responsible for development of T lymphocytes.
- E. Continuously produce RBCs during lifetime.
Correct Answer: A,B,C
Rationale: The spleen stores 500 mL of blood, which can be released during emergencies, such as hemorrhage. The main functions of the spleen are (1) to serve as a reservoir for blood; (2) to destroy old or imperfect RBCs; and (3) to remove bacteria by phagocytosis (engulfing and digesting).
Which mandatory practice is the most effective and significant nursing practice to prevent the spread of infection for a patient with agranulocytosis?
- A. Strict and frequent hand washing by all people having contact with the patient
- B. Placement of patients in private rooms with high-efficiency particulate air (HEPA) filtration
- C. Administration of combinations of prophylactic antibiotics
- D. Creation of a 'sterile' environment for the patient with the use of laminar airflow rooms
Correct Answer: A
Rationale: Meticulous hand washing by medical and nursing personnel and strict asepsis are mandatory.
Which food would the nurse recommend to a person with iron-deficiency anemia as an excellent meat source for erythropoiesis?
- A. Dark meat of chicken
- B. Cured ham
- C. Pork chops
- D. Processed meat
Correct Answer: A
Rationale: The dark meat of poultry is a good meat source for erythropoiesis.
The nurse explains to a patient with Non-Hodgkin's lymphoma that a positron emission tomography (PET) has been ordered for which reason?
- A. assess bone marrow depression.
- B. measure bone density.
- C. radiate and destroy diseased lymph nodes.
- D. determine the extent of possible metastasis.
Correct Answer: D
Rationale: The PET can aid in the staging of disease by determining the extent of any metastasis in the liver, lungs, or bones.
The peripheral smear is a diagnostic test performed for which reason?
- A. assesses the level of hemoglobin.
- B. measures antibody production.
- C. examines the shape and structure of cells.
- D. identifies possible sources of infection
Correct Answer: C
Rationale: The peripheral smear allows the study of the size, structure, and shape of cells.