Assignment: Myocardial Infarction

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Assignment: Myocardial Infarction

Assignment: Myocardial Infarction

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Question 26

Which of the following individuals would most likely experience global ischemia to his or her brain?

Answers:

A. A woman who is being brought to hospital by ambulance following suspected carbon monoxide poisoning related to a faulty portable heater

B. A male client who has just had an ischemic stroke confirmed by CT of his head

C. A woman who has been admitted to the emergency department with a suspected intracranial bleed

D. A man who has entered cardiogenic shock following a severe myocardial infarction

Question 27

A new mother and father are upset that their 2-day-old infant is requiring phototherapy for hyperbilirubinemia. The pediatrician who has followed the infant since birth is explaining the multiplicity of factors that can contribute to high serum bilirubin levels in neonates. Which of the following factors would the physician be most likely to rule out as a contributor?

Answers:

A. Transitioning of hemoglobin F (HbF) to hemoglobin A (HbA)

B. Hepatic immaturity of the infant

C. Hypoxia

D. The fact that the infant is being breast-fed

Question 28

A 14-year-old boy has been diagnosed with infectious mononucleosis. Which of the following pathophysiological phenomena is most responsible for his symptoms?

Answers:

A. Viruses are killing some of his B cells and becoming incorporated into the genome of others.

B. The Epstein-Barr virus (EBV) is lysing many of the boy’s neutrophils.

C. The virus responsible for mononucleosis inhibits the maturation of myeloblasts into promyelocytes.

D. The EBV inhibits the maturation of white cells within his peripheral lymph nodes.

Question 29

A 16-year-old female has been brought to her primary care physician by her mother due to the girl’s persistent sore throat and malaise. Which of the following facts revealed in the girl’s history and examination would lead the physician to rule out infectious mononucleosis?

Answers:

A. Chest auscultation reveals crackles in her lower lung fields bilaterally.

B. Her liver and spleen are both enlarged.

C. Blood work reveals an increased white blood cell count.

D. The girl has a temperature of 38.1°C (100.6°F) and has enlarged lymph nodes.

Question 30

A 30-year-old woman who has given birth 12 hours prior is displaying signs and symptoms of disseminated intravascular coagulation (DIC). The client’s husband is confused as to why a disease of coagulation can result in bleeding. Which of the nurse’s following statements best characterizes DIC?

Answers:

A. “The same hormones and bacteria that cause clotting also cause bleeding.”

B. “Massive clotting causes irritation, friction, and bleeding in the small blood vessels.”

C. “So much clotting takes place that there are no available clotting components left, and bleeding ensues.”

D. “Excessive activation of clotting causes an overload of vital organs, resulting in bleeding.”

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