Nokea
What cell ingests invading or foreign cells?
- A. Macrophage.
- B. T cell.
- C. B cell.
- D. Erythrocyte.
Correct Answer: A
Rationale: Macrophages engulf and destroy pathogens.
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What term is used to describe a decreased effect of a substance following repeated exposure?
- A. Relapse
- B. Tolerance
- C. Abstinence
- D. Withdrawal.
Correct Answer: B
Rationale: Tolerance develops when repeated exposure to a substance diminishes its effects, requiring higher doses to achieve the same impact.
Which finding on assessment supports the nursing diagnosis Decreased Cardiac Output related to decreased plasma volume?
- A. Flattened neck veins when client is in supine position
- B. Full and bounding pedal and post-tibial pulses
- C. Pitting edema located in feet ankles and calves
- D. Shallow respirations with crackles on auscultation
Correct Answer: A
Rationale: Flattened neck veins in the supine position indicate reduced venous return due to decreased plasma volume, which supports the diagnosis of Decreased Cardiac Output.
Which drainage is drained with a Hemovac?
- A. Bile
- B. Urine
- C. Gastric contents
- D. Wound drainage
Correct Answer: D
Rationale: Hemovacs are used for wound drainage, collecting serosanguinous fluid.
Priority treatment of a fracture is
- A. Surgical reduction of the fracture.
- B. Immobilization of the area.
- C. Insertion of an internal fixation device.
- D. Reduction of the fracture.
Correct Answer: B
Rationale: Immobilization prevents further injury and promotes healing.
An 80-year-old woman is brought to the emergency department by her daughter, who says her mother has refused to eat for 6 days. The mother says she stays in her room all of the time because the family is mean to her when she eats or watches TV with them. She says her daughter brings her only one meal a day and that meal is cold leftovers from the family’s meals days before.
- A. Neglect
- B. Emotional abuse
- C. Weight loss
- D. Decreased muscle mass
Correct Answer: A
Rationale: The scenario describes neglect (insufficient food provision) and emotional abuse (isolation due to perceived meanness).