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{"id":2353,"date":"2020-07-25T06:57:10","date_gmt":"2020-07-25T06:57:10","guid":{"rendered":"https:\/\/nursingwritersbureau.com\/?p=2353"},"modified":"2020-07-25T06:57:10","modified_gmt":"2020-07-25T06:57:10","slug":"nr507-week-2-quiz-latest-2017","status":"publish","type":"post","link":"https:\/\/nursingwritersbureau.com\/nr507-week-2-quiz-latest-2017\/","title":{"rendered":"NR507 Week 2 Quiz Latest 2017"},"content":{"rendered":" <\/p>\n
Question<\/p>\n
Question 1<\/p>\n
2 \/ 2 pts<\/p>\n
What is a major determinant of the resting membrane potential necessary for transmission of nerve impulses?<\/p>\n
The ratio between intracellular K+ and extracellular Na+<\/p>\n
The ratio between intracellular Na+ and extracellular K+<\/p>\n
The ratio between intracellular Na+ and extracellular sodium<\/p>\n
The ratio between intracellular K+ and extracellular potassium<\/p>\n
Question 2<\/p>\n
2 \/ 2 pts<\/p>\n
Chvostek sign and Trousseau sign indicate<\/p>\n
hypercalcemia.<\/p>\n
hypokalemia.<\/p>\n
hyperkalemia.<\/p>\n
hypocalcemia.<\/p>\n
Question 3<\/p>\n
2 \/ 2 pts<\/p>\n
Physiologic pH is maintained around 7.4 because bicarbonate (HCO3) and carbonic acid (H2CO3) exist in a ratio of<\/p>\n
1:20.<\/p>\n
10:2.<\/p>\n
10:5.<\/p>\n
20:1.<\/p>\n
Question 4<\/p>\n
2 \/ 2 pts<\/p>\n
Water movement between the intracellular fluid compartment and the extracellular compartment is primarily a function of<\/p>\n
osmotic forces.<\/p>\n
antidiuretic hormone.<\/p>\n
hydrostatic forces.<\/p>\n
plasma oncotic pressure.<\/p>\n
Question 5<\/p>\n
2 \/ 2 pts<\/p>\n
Which are indications of dehydration?<\/p>\n
Tachycardia and weight loss<\/p>\n
Muscle weakness and decreased deep tendon reflexes<\/p>\n
Polyuria and hyperventilation<\/p>\n
Decreased hemoglobin and hematocrit<\/p>\n
Question 6<\/p>\n
2 \/ 2 pts<\/p>\n
At the arterial end of capillaries, fluid moves from the intravascular space into the interstitial space because the<\/p>\n
capillary oncotic pressure is lower than the interstitial hydrostatic pressure.<\/p>\n
capillary hydrostatic pressure is higher than the capillary oncotic pressure.<\/p>\n
interstitial hydrostatic pressure is higher than the capillary hydrostatic pressure.<\/p>\n
interstitial oncotic pressure is higher than the interstitial hydrostatic pressure.<\/p>\n
Question 7<\/p>\n
2 \/ 2 pts<\/p>\n
In hyperkalemia, cardiac rhythm changes are a direct result of<\/p>\n
cardiac cell repolarization.<\/p>\n
depression of the sinoatrial (SA) node.<\/p>\n
cardiac cell hypopolarization.<\/p>\n
cardiac cell hyperexcitability.<\/p>\n
Question 8<\/p>\n
2 \/ 2 pts<\/p>\n
Clinical manifestations that include unexplained weight loss, dyspnea on exertion, use of accessory muscles, and tachypnea with prolonged expiration are indicative of<\/p>\n
chronic bronchitis.<\/p>\n
pneumonia.<\/p>\n
asthma.<\/p>\n
emphysema.<\/p>\n
Question 9<\/p>\n
2 \/ 2 pts<\/p>\n
In ARDS, alveoli and respiratory bronchioles fill with fluid as a result of the<\/p>\n
compression on the pores of Kohn, thus preventing collateral ventilation.<\/p>\n
inactivation of surfactant and the impairment of type II alveolar cells.<\/p>\n
increased capillary hydrostatic pressure that forces fluid into the alveoli and respiratory bronchioles.<\/p>\n
increased capillary permeability, which causes alveoli and respiratory bronchioles to fill with fluid.<\/p>\n
Question 10<\/p>\n
2 \/ 2 pts<\/p>\n
Pulmonary edema usually begins at a pulmonary capillary wedge pressure or left atrial pressure of _____ mm Hg.<\/p>\n
20<\/p>\n
40<\/p>\n
30<\/p>\n
10<\/p>\n
Question 11<\/p>\n
2 \/ 2 pts<\/p>\n
The most successful treatment for chronic asthma begins with<\/p>\n
drugs that reduce bronchospasm.<\/p>\n
broad-spectrum antibiotics.<\/p>\n
elimination of the causative agent.<\/p>\n
drugs that decrease airway inflammation.<\/p>\n
Question 12<\/p>\n
2 \/ 2 pts<\/p>\n
High altitudes may produce hypoxemia through<\/p>\n
decreased inspired oxygen.<\/p>\n
diffusion abnormalities.<\/p>\n
hypoventilation.<\/p>\n
shunting.<\/p>\n
Question 13<\/p>\n
2 \/ 2 pts<\/p>\n
Which pleural abnormality involves a site of pleural rupture that act as a one-way valve, permitting air to enter on inspiration but preventing its escape by closing during expiration?<\/p>\n
Open pneumothorax<\/p>\n
Secondary pneumothorax<\/p>\n
Tension pneumothorax<\/p>\n
Spontaneous pneumothorax<\/p>\n
Question 14<\/p>\n
2 \/ 2 pts<\/p>\n
Clinical manifestations of pulmonary hypertension include<\/p>\n
dyspnea on exertion and paroxysmal nocturnal dyspnea.<\/p>\n
productive cough and rhonchi bilaterally.<\/p>\n
peripheral edema and jugular venous distention.<\/p>\n
systemic blood pressure greater than 130\/90.<\/p>\n
Question 15<\/p>\n
2 \/ 2 pts<\/p>\n
In tuberculosis, the body walls off the bacilli in a tubercle by stimulating which action?<\/p>\n
macrophages that release TNF-alpha (TNF-\u03b1) <\/p>\n
apoptotic infected macrophages that activate cytotoxic T cells.<\/p>\n
phagocytosis by neutrophils and eosinophils.<\/p>\n
formation of immunoglobulin G to initiate the complement cascade.<\/p>\n
Question 16<\/p>\n
2 \/ 2 pts<\/p>\n
A(n) _____ is a circumscribed area of suppuration and destruction of lung parenchyma.<\/p>\n
empyema<\/p>\n
cavitation<\/p>\n
consolidation<\/p>\n
abscess<\/p>\n
Question 17<\/p>\n
2 \/ 2 pts<\/p>\n
_____ is a fulminant form of respiratory failure characterized by acute lung inflammation and diffuse alveolocapillary injury.<\/p>\n
Pneumonia<\/p>\n
Acute pulmonary edema<\/p>\n
Pulmonary emboli<\/p>\n
Acute respiratory distress syndrome (ARDS)<\/p>\n
Question 18<\/p>\n
0 \/ 2 pts<\/p>\n
Dyspnea is not a result of<\/p>\n
fatigue of the intercostal muscles and diaphragm.<\/p>\n
decreased pH, increased PaCO2, and decreased PaO2.<\/p>\n
stimulation of stretch or J-receptors.<\/p>\n
decreased blood flow to the medulla oblongata.<\/p>\n
Question 19<\/p>\n
2 \/ 2 pts<\/p>\n
The release of fibroblast growth factors affects ARDS by causing<\/p>\n
disruption of alveolocapillary membrane.<\/p>\n
pulmonary fibrosis.<\/p>\n
pulmonary hypertension.<\/p>\n
atelectasis and decreased lung compliance.<\/p>\n
Question 20<\/p>\n
2 \/ 2 pts<\/p>\n
Which of the following types of croup is most common?<\/p>\n
Autoimmune<\/p>\n
Bacterial<\/p>\n
Fungal<\/p>\n
Viral<\/p>\n
Question 21<\/p>\n
2 \/ 2 pts<\/p>\n
Chest wall compliance in infants is _____ in adults.<\/p>\n
unlike that<\/p>\n
lower than<\/p>\n
higher than<\/p>\n
the same as<\/p>\n
Question 22<\/p>\n
2 \/ 2 pts<\/p>\n
What is the primary cause of RDS of the newborn?<\/p>\n
Anemia<\/p>\n
An immature immune system<\/p>\n
Small alveoli<\/p>\n
A surfactant deficiency<\/p>\n
Question 23<\/p>\n
0 \/ 2 pts<\/p>\n
Which of the following statements about the advances in the treatment of RDS of the newborn is incorrect?<\/p>\n
Treatment includes the instillation of exogenous surfactant down an endotracheal tube of infants weighing less than 1,000 g.<\/p>\n
Administering glucocorticoids to women in preterm labor accelerates the maturation of the fetus\u2019s lungs.<\/p>\n
Supporting the infant\u2019s respiratory function by using continuous positive airway pressure (CPAP). An infant\u2019s respiratory function is supported by using continuous pressure (CPAP).<\/p>\n
Administering oxygen to mothers during preterm labor increases their arterial oxygen before birth of the fetus.<\/p>\n
Administration of oxygen to the mother is not a valid treatment of RDS.<\/p>\n
Question 24<\/p>\n
2 \/ 2 pts<\/p>\n
Which immunoglobulin is present in childhood asthma?<\/p>\n
IgG<\/p>\n
IgA<\/p>\n
IgE<\/p>\n
IgM<\/p>\n
Included in the long list of asthma-associated genes are those that code for increased levels of immune and inflammatory mediators (e.g., IL-4, IgE, and leukotrienes), nitric oxide, and transmembrane proteins in the endoplasmic reticulum.<\/p>\n
Question 25<\/p>\n
2 \/ 2 pts<\/p>\n
Cystic fibrosis (CF) is caused by a(n)<\/p>\n
autosomal dominant inheritance.<\/p>\n
autosomal recessive inheritance.<\/p>\n
infection.<\/p>\n
malignancy.<\/p>\n \n
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