When the nurse observes that the postoperative patient
demonstrates a constant low level of oxygen saturation, although
the patient’s breathing appears normal, the nurse identifies that the
patient may be suffering which type of hypoxemia?
a) Subacute
Supplemental oxygen may be indicated.
b) Hypoxic
Hypoxic hypoxemia results from inadequate breathing.
c) Episodic
Episodic hypoxemia develops suddenly, and the patient may be at risk
for myocardial ischemia, cerebral dysfunction, and cardiac arrest.
d) Anemic
Anemic hypoxemia results from blood loss during surgery.

1 Answer

Answer :

a) Subacute
Supplemental oxygen may be indicated.

Related questions

Description : When the nurse notes that the post cardiac surgery patient demonstrates low urine output (< 25 ml/hr) with high specific gravity (> 1.025), the nurse suspects: a) Inadequate fluid volume Urine ... by high urine output with low specific gravity. d) Anuria The anuric patient does not produce urine.

Last Answer : a) Inadequate fluid volume Urine output of less than 25 ml/hr may indicate a decrease in cardiac output. A high specific gravity indicates increased concentration of solutes in the urine which occurs with inadequate fluid volume.

Description : When the post-cardiac surgery patient demonstrates restlessness, nausea, weakness, and peaked T waves, the nurse reviews the patient's serum electrolytes anticipating which abnormality? a) Hyperkalemia ... likely be indicated by weakness, fatigue, and confusion without change in T wave formation

Last Answer : a) Hyperkalemia Hyperkalemia is indicated by mental confusion, restlessness, nausea, weakness, and dysrhythmias (tall, peaked T waves).

Description : When the post-cardiac surgical patient demonstrates vasodilation, hypotension, hyporeflexia, slow gastrointestinal motility (hypoactive bowel sounds), lethargy, and respiratory depression, the nurse suspects ... and QT intervals, broad flat T waves), disorientation, depression, and hypotension.

Last Answer : a) Hypermagnesemia Untreated hypomagnesemia may result in coma, apnea, cardiac arrest.

Description : Which of the following terms is used to describe inability to breathe easily except in an upright position? a) Orthopnea Patients with orthopnea are placed in a high Fowler's position to facilitate ... blood from the respiratory tract. d) Hypoxemia Hypoxemia refers to low oxygen levels in the blood.

Last Answer : a) Orthopnea Patients with orthopnea are placed in a high Fowler’s position to facilitate breathing.

Description : When the nurse observes that the patient always has difficulty breathing when lying flat, the nurse records that the patient is demonstrating a) Orthopnea Patients with orthopnea prefer not ... Paroxysmal nocturnal dyspnea. Paroxysmal nocturnal dyspnea refers to orthopnea that occurs only at night.

Last Answer : a) Orthopnea Patients with orthopnea prefer not to lie flat and will need to maintain their beds in a semi- to high Fowler’s position

Description : Regarding tolerance and addiction, the nurse understands that a) although patients may need increasing levels of opioids, they are not addicted. Physical tolerance usually occurs in the absence of addiction. b ... pain. Addiction is rare and should never be the primary concern for a patient in pain.

Last Answer : a) although patients may need increasing levels of opioids, they are not addicted. Physical tolerance usually occurs in the absence of addiction.

Description : When the nurse observes the patient's urine to be orange, she further assesses the patient for a) intake of medication such as phenytoin (Dilantin). Urine that is orange may be caused by intake ... white urine may indicate infection, pyruria, or in the female patient, the use of vaginal creams.

Last Answer : a) intake of medication such as phenytoin (Dilantin). Urine that is orange may be caused by intake of Dilantin or other medications. Orange to amber colored urine may also indicate concentrated urine due to dehydration or fever.

Description : When performing endotracheal suctioning, the nurse applies suctioning while withdrawing and gently rotating the catheter 360 degrees for which of the following time periods? a) 10-15 seconds In general ... suction for 0-5 seconds would provide too little time for effective suctioning of secretions.

Last Answer : a) 10-15 seconds In general, the nurse should apply suction no longer than 10-15 seconds because hypoxia and dysrhythmias may develop, leading to cardiac arrest.

Description : When the patient who has undergone laryngectomy suffers wound breakdown, the nurse monitors him very carefully because he is identified as being at high risk for a) carotid artery hemorrhage. The ... poor wound healing and breakdown. d) pneumonia. Pneumonia is a risk for any postoperative patient.

Last Answer : a) carotid artery hemorrhage. The carotid artery lies close to the stoma and may rupture from erosion if the wound does not heal properly.

Description : The nurse knows that a postoperative vision-threatening complication of LASIK refractive surgery, diffuse lamellar keratitis (DLK) occurs a) in the first week after surgery. DLK is a peculiar, non-infectious, ... after surgery. d) 6 months after surgery. DLK occurs in the first week after surgery.

Last Answer : a) in the first week after surgery. DLK is a peculiar, non-infectious, inflammatory reaction in the lamellar interface after LASIK. It is characterized by a white granular, diffuse culture-negative ... no single agent appears to be solely the cause of DLK, a multifactorial etiology is likely.

Description : When the nurse observes that the patient has extension and external rotation of the arms and wrists and extension, plantar flexion, and internal rotation of the feet, she records the patient's ... rotation of the arms and wrists and extension, internal rotation, and plantar flexion of the feet.

Last Answer : a) decerebrate. Decerebrate posturing is the result of lesions at the midbrain and is more ominous than decorticate posturing.

Description : When the nurse observes diffuse swelling involving the deeper skin layers in the patient who has experienced an allergic reaction, the nurse records the finding as a) angioneurotic edema. ... the result of increased interstitial fluid and associated with disorders such as congestive heart failure.

Last Answer : a) angioneurotic edema. The area of skin demonstrating angioneurotic edema may appear normal but often has a reddish hue and does not pit.

Description : Which of the following statements about septic shock are true? A. A circulating myocardial depressant factor may account for the cardiac dysfunction sometimes seen with shock due to sepsis or ... animal studies that demonstrate a significant improvement in survival with the use of such agents.

Last Answer : Answer: AB DISCUSSION: Shock due to sepsis or SIRS frequently manifests as a hyperdynamic cardiovascular response, consisting of an elevated CI and a decreased SVR or SVRI. Occasionally, ... been encouraging thus far in human clinical trials, despite the promising results from many animal studies

Description : A 68-year-old male who underwent a repair of an abdominal aortic aneurysm 5 days ago, develops tachycardia, tachypnea, hypotension with cool, pale, mottled cyanotic extremities. He ... use of moderate doses of inotropic agents e. Afterload reduction with nitroprusside is absolutely contraindicated

Last Answer : Answer: a, b, d Intrinsic cardiogenic shock results from failure of the heart as an effective pump. Coronary artery disease is the most common cause of myocardial ... hemodynamic monitoring. Infusion of afterload-reducing agents can be administered in conjunction with inotropic support

Description : When the nurse notes that the patient's left great toe deviates laterally, she recognizes that the patient has a a) hallux valgus. Hallux valgus is commonly referred to as a bunion. b) ... the forefoot. d) flatfoot. In flatfoot, the patient demonstrates a diminished longitudinal arch of the foot.

Last Answer : a) hallux valgus. Hallux valgus is commonly referred to as a bunion.

Description : The nurse reading the physician's report of an elderly patient's physical examination knows a notation that the patient demonstrates xanthelasma refers to a) yellowish waxy deposits on upper eyelids. The change is ... red moles. Cherry angioma is the term that is used to describe a bright red mole.

Last Answer : a) yellowish waxy deposits on upper eyelids. The change is a common, benign manifestation of aging skin or it can sometimes signal hyperlipidemia.

Description : Which of the following patient behaviors, if observed by the nurse, would indicate that the cardiac patient's level of anxiety has decreased? a) Answers questions regarding status with ... in support groups. Participation in support groups indicates some degree of comfort with prognosis.

Last Answer : a) Answers questions regarding status with no problem. Generally, when anxiety begins to increase, the patient will be less likely to want to discuss prognosis.

Description : Which of the following actions is most appropriate for the nurse to take when the patient demonstrates subcutaneous emphysema along the suture line or chest dressing 2 hours after chest ... finding to the physician immediately. Subcutaneous emphysema results from air entering the tissue planes.

Last Answer : a) Record the observation. Subcutaneous emphysema occurs after chest surgery as the air that is located within the pleural cavity is expelled through the tissue opening created by the surgical procedure.

Description : The nurse teaches the patient who demonstrates herpes zoster (shingles) that a) the infection results from reactivation of the chickenpox virus. It is assumed that herpes zoster represents a ... is arrested if oral antiviral agents are administered within 24 hours of the initial eruption.

Last Answer : a) the infection results from reactivation of the chickenpox virus. It is assumed that herpes zoster represents a reactivation of latent varicella (chickenpox) virus and reflects lowered immunity.

Description : Life threatening risks of anesthesia include all except A. Hypoxic brain injury B. Myocardial infarction C. Postoperative nausea and vomiting D. Cerebrovascular accident

Last Answer : Ans: C

Description : A 47-year-old patient undergoing a complicated laparotomy for bowel obstruction develops a postoperative enterocutaneous fistula. Which of the following statement(s) is/are true concerning parenteral ... use of TPN better prepares the patient for surgery if surgical intervention proves necessary

Last Answer : Answer: a, b, d Patients with gastrointestinal-cutaneous fistulas represent the classical indication for TPN. In such patients, oral intake of food almost invariably results in increased ... treated more aggressively surgically after a defined period of nutritional support (unless closure occurs)

Description : The nurse notes that the patient demonstrates generalized pallor and recognizes that this finding may be indicative of a) anemia. In the light-skinned individual, generalized pallor is a ... . d) local arterial insufficiency. Local arterial insufficiency is characterized by marked localized pallor.

Last Answer : a) anemia. In the light-skinned individual, generalized pallor is a manifestation of anemia. In brown- and black-skinned individuals, anemia is demonstrated as a dull skin appearance.

Description : Before the nurse can develop a relevant care plan, the nurse understands that in post-laryngectomy, the trachea and the esophagus are permanently separated. Therefore, which of the ... with difficulty of swallowing and breathing D. Permanent tracheostomy created; normal speech is lost

Last Answer : D. Permanent tracheostomy created; normal speech is lost

Description : A person suffering from carbon monoxide poisoning a) appears intoxicated. A person suffering from carbon monoxide poisoning appears intoxicated (from cerebral hypoxia). Other signs and symptoms include headache, ... pink to cherry red to cynanotic and pale and is not a reliable diagnostic sign.

Last Answer : a) appears intoxicated. A person suffering from carbon monoxide poisoning appears intoxicated (from cerebral hypoxia). Other signs and symptoms include headache, muscular weakness, palpitation, dizziness, and mental confusion.

Description : Which of the following terms refers to chest pain brought on by physical or emotional stress and relieved by rest or medication? a) angina pectoris Angina pectoris is a symptom of myocardial ischemia. ... d) ischemia Ischemia is insufficient tissue oxygenation and may occur in any part of the body.

Last Answer : a) angina pectoris Angina pectoris is a symptom of myocardial ischemia.

Description : When the nurse assesses the patient and observes blue-red and dark brown plaques and nodules, she recognizes that these manifestations are associated with a) Kaposi's sarcoma. Kaposi's sarcoma is ... syphilis. A painless chancre or ulcerated lesion is a typical finding in the patient with syphilis.

Last Answer : a) Kaposi’s sarcoma. Kaposi’s sarcoma is a frequent comorbidity of the patient with AIDS.

Description : Which of the following nursing interventions is appropriate when caring for the awake and oriented head injury patient? a) Supply oxygen therapy to keep blood gas values within normal range. ... rails and application of mitts are the appropriate interventions in the agitated head-injured patient.

Last Answer : a) Supply oxygen therapy to keep blood gas values within normal range. The goal is to keep blood gas values within normal range to ensure adequate cerebral circulation.

Description : The patient receiving mitoxantrone (Novantrone) for treatment of secondary progressive multiple sclerosis (MS) is closely monitored for a) leukopenia and cardiac toxicity. Mitoxantrone is an ... d) hypoxia. Patients receiving mitoxantrone are closely monitored for leukopenia and cardiac toxicity.

Last Answer : a) leukopenia and cardiac toxicity. Mitoxantrone is an antineoplastic agent used primarily to treat leukemia and lyphoma but is also used to treat secondary progressive MS. Patients need to have ... ordered and the results closely monitored due to the potential for leukopenia and cardiac toxicity.

Description : Which of the following are not determinants of a postoperative cardiac complication? A. Myocardial infarct 4 months previously. B. Clinical evidence of congestive heart failure in a patient with 8.5 gm ... on electrocardiogram. D. A harsh aortic systolic murmur. E. Age over 70 years.

Last Answer : Answer: B DISCUSSION: Clinical evidence of congestive heart failure in a patient with 8.5 gm. per dl. hemoglobin concentration is a misleading sign. Evidence of congestive ... or ventricular contractions on the electrocardiogram are less strong determinants of a postoperative cardiac complication

Description : When the female patient demonstrates thickening, scaling, and erosion of the nipple and areola, the nurse recognizes that the patient is exhibiting signs of a) Paget's disease. Paget's disease ... the breast and demonstrates an orange peel apearance of breast skin with enlargement of skin pores.

Last Answer : a) Paget’s disease. Paget’s disease is a malignancy of mammary ducts with early signs of erythema of nipple and areola.

Description : The preferred route of administration of medication in the most acute care situations is which of the following routes? a) Intravenous The IV route is the preferred ... ) Intramuscular Intramuscular administration of medication is absorbed more slowly than intravenously administered medication.

Last Answer : a) Intravenous The IV route is the preferred parenteral route in most acute care situations because it is much more comfortable for the patient, and peak serum levels and pain relief occur more rapidly and reliably.

Description : Which of the following is/are acceptable reasons for the transfusion of red blood cells based on currently available data? A. Rapid, acute blood loss with unstable vital signs but no available ... increase wound healing. D. A hematocrit of 26% in an otherwise stable, asymptomatic patient.

Last Answer : Answer: AB DISCUSSION: Currently accepted guidelines for the transfusion of packed red blood cells include acute ongoing blood loss, as might occur in an injured patient, and the development of ... not be given based solely or predominantly on a numerical value such as a hematocrit of 28%

Description : The nurse assesses subtle personality changes, restlessness, irritability, and confusion in a patient who has sustained a fracture. The nurse suspects a) fat embolism syndrome. Cerebral disturbances in ... severe, burning pain, local edema, hyperesthesia, muscle spasms, and vasomotor skin changes.

Last Answer : a) fat embolism syndrome. Cerebral disturbances in the patient with fat embolism syndrome include subtle personality changes, restlessness, irritability, and confusion.

Description : Of the following disorders, which results from excessive secretion of somatotropin? a) Acromegaly The patient with acromegaly demonstrates progressive enlargement of peripheral body parts, most ... syndrome is the result of abnormal secretion of adrenocortical hormones, especially androgen.

Last Answer : a) Acromegaly The patient with acromegaly demonstrates progressive enlargement of peripheral body parts, most commonly the face, head, hands, and feet.

Description : A patient on the dental chair has cardiac arrest. What is INCORRECT, A. Observing the vital signs and check that the air way is clear is at high importance B. Expired air has 15% O2 only, ... D. Intermittent positive pressure is better than mouth to mouth when it has been given at the same rate.

Last Answer : C. Intermittent positive pressure at the rate of 40/min will reduce the chances of cerebral hypoxia

Description : Of the following oxygen administration devices, which has the advantage of providing high oxygen concentration? a) Non-rebreather mask The non-rebreather mask provides high oxygen concentration but is ... and uncomfortable. It would not be the device of choice to provide high oxygen concentration.

Last Answer : a) Non-rebreather mask The non-rebreather mask provides high oxygen concentration but is usually poor fitting.

Description : For which of the following medications must the nurse contact the pharmacist in consultation when the patient receives all oral medications by feeding tube? a) Enteric-coated tablets Enteric-coated ... make an opening in the capsule and squeeze out contents for administration by feeding tube.

Last Answer : a) Enteric-coated tablets Enteric-coated tablets are meant to be digested in the intestinal tract and may be destroyed by stomach acids. A change of form of medication is required by patients with tube feedings.

Description : When measuring the blood pressure in each of the patient's arms, the nurse recognizes that in the normal adult, the pressures a) differ no more than 5 mm Hg between arm pressures. Normally, in ... . The left arm pressure is not anticipated to be higher than the right as a normal anatomical variant.

Last Answer : a) differ no more than 5 mm Hg between arm pressures. Normally, in the absence of disease of the vasculature, there is a difference of no more than 5 mm Hg between arm pressures.

Description : Which of the following statements regarding cytokines is incorrect? A. Cytokines act directly on target cells and may potentiate the actions of one another. B. Interleukin 1 (IL-1) ... organ dysfunction syndrome because of its multiple actions and the secondary cascades that it stimulates.

Last Answer : Answer: C DISCUSSION: Cytokines are soluble peptide molecules that are synthesized and secreted by a number of cell types in response to injury, inflammation, and infection. Cytokines, which ... is thought to play a central role in the stress response, particularly in response to endotoxemia

Description : When the patient's eosinophil count is 50-90% of blood leukocytes, the nurse interprets the result as a) indicative of idiopathic hypereosinophilic syndrome. When eosinophils make up 50-90% of white cell ... d) normal. Eosinophils normally make up 1-3% of the total number of white blood cells.

Last Answer : a) indicative of idiopathic hypereosinophilic syndrome. When eosinophils make up 50-90% of white cell count, the patient is demonstrating severe eosinophilia.

Description : During which step of the nursing process does the nurse analyze data related to the patient's health status? a) Assessment Analysis of data is included as part of the assessment. b) ... patient's responses to the nursing interventions and the extent to which the outcomes have been achieved.

Last Answer : a) Assessment Analysis of data is included as part of the assessment.

Description : Ketorolac: A. Is a nonsteroidal anti-inflammatory drug (NSAID) approved for intravenous, intramuscular, and oral administration. B. Can be used indefinitely for postoperative analgesia. C. Can cause renal dysfunction. D. May decrease surgical blood loss.

Last Answer : Answer: AC DISCUSSION: Ketorolac tromethamine, an NSAID, is approved by the FDA for intravenous, intramuscular, and oral administration. The agent is an effective analgesic with minimal side ... Additionally, it is recommended that ketorolac should not be used for more than 5 consecutive days

Description : Which of the following terms refers to leg pain that is brought on walking and caused by arterial insufficiency? a) Intermittent claudication Intermittent claudication is leg pain that is ... obliterans Thomroangitis obliterans is a peripheral vascular disease also known as Burger's disease.

Last Answer : a) Intermittent claudication Intermittent claudication is leg pain that is brought on by exercise and relieved by rest.

Description : In order to avoid hip dislocation after replacement surgery, the nurse teaches the patient which of the following guidelines? a) Never cross the affected leg when seated. Crossing the affected leg may result ... a chair. The patient should be taught to avoid bending forward when seated in a chair.

Last Answer : a) Never cross the affected leg when seated. Crossing the affected leg may result in dislocation of the hip joint after total hip replacement.

Description : When the indication for surgery is without delay, the nurse recognizes that the surgery will be classified as a) emergency. Emergency surgery means that the patient requires immediate attention and the ... there is an indication for surgery, but failure to have surgery will not be catastrophic.

Last Answer : a) emergency. Emergency surgery means that the patient requires immediate attention and the disorder may be life-threatening.

Description : Low dose subcutaneous heparin therapy is indicated for: A. Prevention of leg vein thrombosis in elderly patients undergoing abdominal surgery B. Ischaemic stroke C. Patients undergoing neurosurgery D. Prevention of extention of coronary artery thrombus in acute myocardial infarction

Last Answer : A. Prevention of leg vein thrombosis in eld

Description : When interpreting the results of a Mantoux test, the nurse explains to the patient that a reaction occurs when the intradermal injection site shows a) redness and induration. The site is inspected for ... site may occur from the injection, but does not indicate a reaction to the tubercle bacillus.

Last Answer : a) redness and induration. The site is inspected for redness and palpated for hardening.