Nokea
The nurse is administering a medication to the client with a positive inotropic effect. Which action of the medication does the nurse anticipate?
- A. Slow the heart rate
- B. Increase the force of myocardial contraction
- C. Depress the central nervous system
- D. Dilate the bronchial tree
Correct Answer: B
Rationale: The nurse realizes that when administering a medication with a positive inotropic effect, the medication increases the force of heart muscle contraction. The heart rate increases not decreases. The central nervous system is not depressed nor is there a dilation of the bronchial tree.
You may also like to solve these questions
The nurse is caring for a client diagnosed with hypovolemic shock. Which outcome would be the best evidence of an improvement in client condition?
- A. A rise in blood count
- B. Alertness in level of consciousness
- C. Increased heart rate
- D. Pulse oxygenation level of $92 \%$
Correct Answer: B
Rationale: In hypovolemic shock, the volume of extracellular fluid is significantly diminished because of lost or reduced blood or plasma. Circulation is impaired. Alertness in the level of consciousness indicates improved circulation and thus oxygenation to the brain. A documented rise in blood count is promising unless tissue damage has already occurred. A decrease in heart rate would mean the heart is no longer struggling to circulate blood to meet tissue needs. A pulse oxygenation level of $92 \%$ is a good sign of available oxygen for the tissue.
The seasoned nurse is instructing the new graduate on information obtained from central venous pressure and pulmonary artery pressure. Which statement, made by the seasoned nurse, reflects the most pertinent information regarding circulation?
- A. Central venous pressure reflects the pressure in the right atrium or venae cavae.'
- B. A pulmonary artery pressure provides information about pressure on the left side of the heart.'
- C. The trend in central venous pressure is more helpful than isolated readings.'
- D. Pulmonary artery pressure and pulmonary capillary pressure is assessed by an inserted catheter.'
Correct Answer: B
Rationale: The most pertinent information to share with a new nurse is the information that the pulmonary artery pressure provides essential information about the effectiveness of left ventricle. The left ventricle is most pertinent to circulation. The other information is correct but not as pertinent.
The nurse is caring for a client who is in neurogenic shock. The nurse knows that this is a subcategory of what kind of shock?
- A. Obstructive
- B. Hypovolemic
- C. Carcinogenic
- D. Distributive
Correct Answer: D
Rationale: Three types of distributive shock are neurogenic, septic, and anaphylactic shock. There is no such condition as carcinogenic shock. Obstructive and hypovolemic shock do not have subcategories.
A nurse educator is teaching students the types of shock and associated causes. Which combination(s) of shock type and causative factors is correct? Select all that apply.
- A. Hypovolemic shock; blood loss
- B. Obstructive shock; kidney stone
- C. Cardiogenic shock; myocardial infarction
- D. Anaphylactic shock; nut allergy
- E. Septic shock; infection
- F. Neurogenic shock; diabetes
Correct Answer: A,C,D,E
Rationale: Shock is a life-threatening condition that occurs when arterial blood flow and oxygen delivery to tissues and cells are inadequate. Hypovolemic shock occurs when the volume of extracellular fluid is significantly diminished due to the loss of or reduced blood or plasma. Obstructive shock occurs when there is interference in blood flow through the heart. Cardiogenic shock occurs when the heart is ineffective in pumping possibly due to a myocardial infarction. Anaphylactic shock occurs from an allergen such as nuts. Septic shock occurs from a bacterial infection. Neurogenic shock results from an insult to the vasomotor center in the medulla or peripheral nerves.
The nurse is caring for a motor vehicle accident client who is unresponsive on arrival to the emergency department. The client has numerous fractures, internal abdominal injuries, and large lacerations on the head and torso. The family arrives and seeks update on the client's condition. A family member asks, 'What causes the body to go into shock?' Given the client's condition, which statement is most correct?
- A. The client is in shock because the blood volume has decreased in the system.'
- B. The client is in shock because the heart is unable to circulate the body fluids.'
- C. The client is in shock because your loved one is not responding and brain dead.'
- D. The client is in shock because all peripheral blood vessels have massively dilated.'
Correct Answer: A
Rationale: Shock is a life-threatening condition that occurs when arterial blood flow and oxygen delivery to tissues and cells are inadequate. Hypovolemic shock, where the volume of extracellular fluid is significantly diminished due to the loss of or reduced blood or plasma, frequently occurs with accidents.