- A case study!!! A patient e exposed to group A hemolytic Streptococcus developed a pharyngeal infection. Clinic examination: oral temperature of 102.3°F, skin rash, dysphagia, and reddened throat mucosa with multiple pustules. Complains of sore throat, malaise, and joint stiffness. A throat culture is positive for Streptococcus, and antibiotics have been prescribed. The etiology of disease is
streptococcal infection
After suffering a heart attack, a middle-aged man is counseled to take a cholesterol-lowering medication. This is an example of
tertiary prevention
A disease that is native to a particular region is called
endemic
Selye’s three phases of the stress response include all the following except
allostasis
The effects of excessive cortisol production include
immune suppression
Persistence of the alarm stage will ultimately result in
permanent damage and death
Apoptosis is a process that results in cellular
cell death
Necrotic death of brain tissue usually produces …What kind of necrosis.
liquefactive
Reperfusion injury to cells
involves formation of free radicals.
Breast cancer in women who have the breast cancer gene
occurs at an earlier age
Malignant neoplasms of epithelial origin are known as
carcinomas
What roles does inflammation play in cancer development?
Chronic inflammation increases risk for cancer. Cytokines release from inflammatory cell
Dramatic hypotension sometimes accompanies type I hypersensitivity reactions because
Massive histamine release from the mast cells leads to vasodilation
RhoGAM is given to an Rh-negative mother in order to prevent
prevention of Rh-positive antibodies
The principle Ig mediator of type I hypersensitivity reactions is
IgE
Myasthenia gravis is a type II hypersensitivity disorder that involves
impaired muscle function
Which form of leukemia demonstrates the presence of the Philadelphia chromosome?
CML (chronic myeloid leukemia)
Burkitt lymphoma is most closely associated with
Epstein-Barr virus
A low mean corpuscular hemoglobin concentration (MCHC) and mean corpuscular volume (MCV) are characteristic of which type of anemia?
iron deficiency
The cause of the most common form of anemia is
iron deficiency
Dysfunction of which organ would lead to clotting factor deficiency
Liver
The prothrombin time (PT) and INR (international normalized ratio) measure the integrity of
extrinsic pathway
Disseminated intravascular coagulation may be treated with heparin therapy to
inhibit clotting factor consumption
A newborn has melena, bleeding from the umbilicus, and hematuria. The newborn most likely experiencing
vitamin K deficiency bleeding
What information about INR does the nurse understand?
It standardizes extrinsic clotting pathway analysis
Which is not a manifestation of acute arterial obstruction
Purpura
A serious complication of deep vein thrombosis is
pulmonary embolism
Which is not considered to be a risk factor for thrombus formation
Thrombocytopenia
A case study ….patient diagnosed with hypertension, returns to the clinic 6 weeks later. The reports “moderate” adherence to the recommended lifestyle changes and has experienced a decreased from 165/96 to 148/90 mm Hg in blood pressure. What is the most appropriate intervention for this patient at this time?
continue lifestyle modifications only
High blood pressure increases the workload of the left ventricle because it increases
afterload
A patient presents to the emergency department with a diastolic blood pressure of 132 mm Hg, retinopathy, and symptoms of an ischemic stroke. This symptomology is likely the result of
hypertensive crisis
the nurse understands that which is the correct description of a Korotkoff sound
Phase 2: Murmuring or swishing sounds
The primary treatment for myocardial infarction (MI) is directed at
decreasing myocardial oxygen demands
Patients presenting with symptoms of unstable angina and no ST-segment elevation are treated with…
antiplatelet drugs
Aortic regurgitation is associated with
diastolic murmur
Angina caused by coronary artery spasm is called what kind of angina
Prinzmetal
Atherosclerotic plaques with large lipid cores are prone to
rupture
Hypertrophy of the right ventricle is a compensatory response to
pulmonary stenosis
First-degree heart block is characterized by
prolonged PR interval
A patient with pure left-sided heart failure is likely to exhibit
pulmonary congestion with dyspnea
A patient is diagnosed with heart failure with preserved ejection fraction (HFpEF). This patient is most likely described as a(n)
elderly woman without a previous history of MI
Massive release of histamine with consequent vasodilation and hypotension occurs with what type of shock
Anaphylactic
Allergic (extrinsic) asthma is associated with
IgE-mediated airway inflammation
Emphysema results from the destruction of alveolar walls and capillaries, which is because of
release of proteolytic enzymes from im-mune cells
Chronic bronchitis often leads to cor pulmonale because of
increased pulmonary vascular resistance
Cystic fibrosis is associated with
bronchiectasis
Croup is characterized by
a barking cough
COPD leads to a barrel chest, because it causes
air trapping
The hallmark manifestation of acute respiratory distress syndrome is
hypoxemia
Empyema is defined as an
infection in the pleural space
Pneumocystis is a term that refers to a
fungal pneumonia secondary to HIV
major cause of treatment failure in tuberculosis is
noncompliance
Bacterial pneumonia leads to hypoxemia caused by
accumulation of alveolar exudates
A common characteristic of viral pneumonia is
Dry cough
Which alteration can lead to edema
Decreased lymphatic flow
Hypernatremia may be caused by Clinical manifestations of hyponatremia include
decreased antidiuretic hormone secretion
Clinical manifestations of moderate to severe hypokalemia include
deficiency of ATP
A patient has a positive Chvostek sign. The nurse interprets this as a sign of
increased neuromuscular excitability
Which acid are the kidneys unable to excrete
Carbonic
Vomiting of stomach contents or continuous nasogastric suctioning may predispose to development of
metabolic acid deficit
Respiratory acidosis may be caused by
hypoventilation
Uncompensated metabolic alkalosis would result in
increased pH, increased HCO3
A patient is diagnosed with starvation ketoacidosis. What signs and symptoms should you anticipate in your assessment
Rapid, deep breathing, lethargy, abdominal pain