Coagulative necrosis is caused by
interrupted blood supply.
Red blood cells differ from other cell types in the body, because they
have no cytoplasmic organelles.
Dysfunctional uterine bleeding (DUB) is caused by
absent or diminished levels of progesterone.
Renal insufficiency occurs when _____ of the nephrons are not functional.
75% to 90%
A biliary cause of acute pancreatitis is suggested by an elevation in which serum laboratory results?
Alkaline phosphatase
Total body water in older adults is
decreased because of increased adipose tissue and decreased muscle mass.
In addition to E. coli, a risk factor for development of pyelonephritis is
urinary retention and reflux.
Increased preload of the cardiac chambers may lead to which patient symptom?
Edema
A middle-aged patient has a follow up visit for a recorded blood pressure of 162/96 mm Hg taken 3 weeks ago. The patient has no significant past medical history and takes no medications, but smokes 1 1/2 packs of cigarettes per day, drinks alcohol regularly, and exercises infrequently. The patient is about 40 lbs. overweight and admits to a high-fat, high-calorie diet. At the office visit today, the patient’s blood pressure is 150/92 mm Hg. What is the least appropriate intervention for this patient at this time?
Begin antihypertensive drug therapy.
The condition characterized by oliguria and hematuria is
acute glomerulonephritis.
How is a patient hospitalized with a malignant tumor that secretes parathyroid hormone-related peptide monitored for the resulting electrolyte imbalance?
Serum calcium, bowel function, level of consciousness
The most likely cause of anemia in a patient with end-stage renal disease is
insufficient erythropoietin.
Chronic elevation of myocardial wall tension results in atrophy.
false
Red blood cells obtain nearly all their energy from metabolism of
glucose
A common component of renal calculi is
calcium.
A person with acute hypoxemia may hyperventilate and develop
respiratory alkalosis.
Insulin binding to its receptor on target cells results in
increased facilitated cellular diffusion of glucose.
Patients who experience anemic episodes when exposed to certain drugs most likely have
glucose-6-phosphate dehydrogenase deficiency.
It is true that epidural bleeding is
characterized by a lucid interval immediately after injury.
The main clinical manifestation of a kidney stone obstructing the ureter is
renal colic.
When a patient is struck in the eye by a baseball, the result is redness and swelling. This increase in blood flow to a localized area is called
hyperemia
Respiratory acidosis is associated with
increased carbonic acid.
Legionnaires disease is characterized by
presence of systemic illness.
presence of systemic illness.
cholesterol
A patient is diagnosed with cardiogenic shock. The patient is hyperventilating and is therefore at risk for the respiratory complication of respiratory acidosis.
False
Diarrhea causes
metabolic acidosis.
Left-sided heart failure is characterized by
pulmonary congestion.
Pneumocystitis is a term that refers to a
fungal pneumonia secondary to HIV.
Most carbon dioxide is transported in the bloodstream as
bicarbonate ion.
Signs and symptoms of extracellular fluid volume excess include
bounding pulse.
Clinical manifestations of severe symptomatic hypophosphatemia are caused by
deficiency of ATP.
Administration of a vasodilator to a patient in shock would be expected to
decrease left ventricular afterload.
The increased anterior-posterior chest diameter associated with obstructive lung disease is caused by
increased residual lung volumes.
A patient with pure left-sided heart failure is likely to exhibit
pulmonary congestion with dyspnea.
When a parent of a toddler recently diagnosed with pneumococcal pneumonia asks why their child is so much sicker than a classmate was when they were diagnosed with pneumonia, the nurse replies
"It sounds like your child has a case of bacterial pneumonia, while the classmate had viral pneumonia."
Dysfunction of which organ would lead to clotting factor deficiency?
Liver
The fraction of total body water (TBW) volume contained in the intracellular space in adults is
two thirds.
Tumor necrosis factor α and interleukin-1 contribute to shock states because they induce production of
nitric oxide.
The pathology report for a patient with penile cancer has this statement: The tumor involves the shaft of the penis. The cancer is at what stage?
Stage II
The most common type of renal stone is
calcium.
Proto-oncogenes
are normal cellular genes that promote growth.
The effects of excessive cortisol production include
immune suppression.
Uncompensated metabolic alkalosis would result in
increased pH, increased HCO3-.
While in the hospital for management of acute lymphoid leukemia (ALL), a patient develops severe thrombocytopenia. The most appropriate action for this condition is
activity restriction.
The final step in clot formation is
clot retraction.
Individuals who have chronic bronchitis most often have
a productive cough.
Widespread atelectasis, non-cardiogenic pulmonary edema, and diffuse, fluffy alveolar infiltrates on chest radiograph are characteristic of
acute respiratory distress syndrome.
A cause of thrombocytopenia includes
chemotherapy
Decreased neuromuscular excitability is often the result of
hypercalcemia and hypermagnesemia.
The most common cause of intrinsic kidney injury is _____ injury.
tubular
A patient has a positive Chvostek sign. The nurse interprets this as a sign of
increased neuromuscular excitability.
Emphysema results from destruction of alveolar walls and capillaries, which is because of
release of proteolytic enzymes from immune cells.
Manifestations of acute brain ischemia (Cushing reflex) are due primarily to
sympathetic nervous system activation.
The most common site affected in Paget's disease is the
lower spine.
While hospitalized, an elderly patient with a history of myocardial infarction was noted to have high levels of low-density lipoproteins (LDLs). What is the significance of this finding?
Increased LDL levels are associated with increased risk of coronary artery disease.
More than half of the initial cases of pancreatitis are associated with
alcoholism.
The inward-pulling force of particles in the vascular fluid is called _____ pressure.
capillary osmotic
What laboratory finding is usually found in aplastic anemia?
Pancytopenia
The most reliable indicator that a person is experiencing an acute myocardial infarction (MI) is
ST-segment elevation.
A known cause of hypokalemia is
insulin overdose.
Which acid are the kidneys unable to excrete?
carbonic
Patent ductus arteriosus is accurately described as a(n)
communication between the aorta and the pulmonary artery.
The most common cause of ischemic acute tubular necrosis (ATN) in the United States is
sepsis
The cellular component that is most susceptible to radiation injury is the
DNA
Abnormalities in intracellular regulation of enzyme activity and cellular production of ATP are associated with
hypophosphatemia.
One of the most frequent causes of chronic kidney disease is
hypertension
Which characteristic is indicative of hemolytic anemia?
Jaundice
The arterial oxygen content (CaO2) for a patient with PaO2 100 mm Hg, SaO2 95%, and hemoglobin 15 g/dL is _____ mL oxygen/dL.
19.4
The classic manifestations of Parkinson disease include
rest tremor and skeletal muscle rigidity.
All the following stress-induced hormones increase blood glucose except
aldosterone.
A 32-year-old female complaining of severe pain with menstruation and inability to participate in her routine household activities is likely experiencing
dysmenorrhea
The hypermetabolic state leading to cachexia in terminal cancer is thought to be because of
tumor necrosis factor.
Primary treatment for myocardial infarction (MI) is directed at
decreasing myocardial oxygen demands.
The major underlying factor leading to the edema associated with glomerulonephritis and nephrotic syndrome is
proteinuria.
Bacterial pneumonia leads to hypoxemia caused by
accumulation of alveolar exudates.
A 58-year-old woman is seen in the clinic for reports of severe back pain. Her chest x-ray demonstrates generalized bone demineralization and compression fracture. Blood studies demonstrate elevated calcium levels. The most likely diagnosis is
myeloma
Cardiogenic shock is characterized by
reduced cardiac output.
In which stage of shock is a patient who has lost 1200 mL of blood, who has normal blood pressure when supine, but who experiences orthostatic hypotension upon standing?
Class II, Compensated Stage
Pathophysiologically, esophageal varices can be attributed to
portal hypertension.
A patient is exhibiting severe dyspnea and anxiety. The patient also has bubbly crackles in all lung fields with pink, frothy sputum. This patient is most likely experiencing
acute cardiogenic pulmonary edema.
The effect of nitric oxide on systemic arterioles is
vasodilation