Nokea
A 20-year-old female attending college is found unconscious in her dorm room. She has a fever and a noticeable rash. She has just been admitted to the hospital. Which of the following tests is most likely to be performed first?
- A. Blood sugar check
- B. CT scan
- C. Blood cultures
- D. Arterial blood gases
Correct Answer: C
Rationale: The most likely test to be performed first in this scenario is blood cultures. Blood cultures are crucial to investigate the fever and rash symptoms in an unconscious patient. This test is used to detect foreign invaders like bacteria, yeast, and other microorganisms in the blood, which could indicate a blood infection (bacteremia). A positive blood culture result confirms the presence of bacteria in the blood. A blood sugar check (choice A) may be important but is less likely to be the first test in this context. A CT scan (choice B) and arterial blood gases (choice D) are generally not the initial tests performed to investigate a fever and rash with altered mental status.
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A client with a new colostomy is being taught how to care for the colostomy bag. Which statement from the client indicates the need for more education?
- A. I can clean the skin around the ostomy site with soap and water when I change the bag.
- B. I should irrigate the stoma regularly to avoid buildup of gas and odor.
- C. I need to wait 30 minutes after I irrigate to replace the colostomy bag.
- D. I should change the bag when it is one-third to one-fourth full.
Correct Answer: C
Rationale: A client with a new colostomy requires education on proper colostomy care. Waiting 30 minutes after irrigating to replace the colostomy bag is unnecessary. The client may reapply the bag once the skin is dry. Cleaning the skin around the ostomy site with soap and water, irrigating the stoma regularly to prevent gas and odor buildup, and changing the bag when it is one-third to one-fourth full are appropriate actions. Therefore, the statement indicating the need for more education is the one suggesting a specific time interval for bag replacement after irrigation.
When taking a patient’s history, she mentions being depressed and dealing with an anxiety disorder. Which of the following medications would the patient most likely be taking?
- A. Amitriptyline (Elavil)
- B. Calcitonin
- C. Pergolide mesylate (Permax)
- D. Verapamil (Calan)
Correct Answer: A
Rationale: The correct answer is Amitriptyline (Elavil) as it is a tricyclic antidepressant commonly used to treat symptoms of depression and anxiety disorders. Amitriptyline works by increasing the levels of certain neurotransmitters in the brain to improve mood. Choices B, C, and D are incorrect. Calcitonin is a hormone used in the treatment of osteoporosis; Pergolide mesylate is a dopamine agonist used in Parkinson's disease; Verapamil is a calcium channel blocker used to treat high blood pressure and certain heart conditions, not mental health disorders.
A nurse in the emergency department is observing a 4-year-old child for signs of increased intracranial pressure after a fall from a bicycle, resulting in head trauma. Which of the following signs or symptoms would be cause for concern?
- A. Bulging anterior fontanel
- B. Repeated vomiting
- C. Signs of sleepiness at 10 PM
- D. Inability to read short words from a distance of 18 inches
Correct Answer: B
Rationale: Increased intracranial pressure after head trauma can lead to serious complications. Repeated vomiting is a concerning sign as it can indicate stimulation of the vomiting center within the brainstem due to increased pressure. This can be an early indicator of raised intracranial pressure and the need for urgent medical intervention. Bulging anterior fontanel may not be immediately apparent in a 4-year-old child and is more common in infants. Signs of sleepiness at a particular time of day are not specific to increased intracranial pressure. Inability to read short words from a distance of 18 inches may indicate vision problems but is not directly related to intracranial pressure.
A patient is scheduled for a magnetic resonance imaging (MRI) scan for suspected lung cancer. Which of the following is a contraindication to the study for this patient?
- A. The patient is allergic to shellfish.
- B. The patient has a pacemaker.
- C. The patient suffers from claustrophobia.
- D. The patient takes antipsychotic medication.
Correct Answer: B
Rationale: The correct answer is that the patient has a pacemaker. A pacemaker is a contraindication to MRI scanning due to the interference with the magnetic fields of the MRI scanner. This interference can potentially deactivate the pacemaker, putting the patient at risk. Patients with cardiac implantable electronic devices (CIED) are at risk for inappropriate device therapy, device heating/movement, and arrhythmia during MRI. This necessitates special precautions such as scheduling in a CIED blocked slot or having electrophysiology nurse or technician support. It is important to ensure that the patient's pacemaker is MRI conditional before proceeding with the scan. The other choices, such as being allergic to shellfish, suffering from claustrophobia, or taking antipsychotic medication, are not direct contraindications to undergoing an MRI scan for suspected lung cancer.
Which of the following conditions most commonly causes acute glomerulonephritis?
- A. A congenital condition leading to renal dysfunction.
- B. Prior infection with group A Streptococcus within the past 10-14 days.
- C. Viral infection of the glomeruli.
- D. Nephrotic syndrome.
Correct Answer: B
Rationale: Acute glomerulonephritis is most commonly caused by the immune response to a prior
upper respiratory infection with group A Streptococcus. Glomerular inflammation occurs
about 10-14 days after the infection, resulting in scant, dark urine and retention of body
fluid. Periorbital edema and hypertension are common signs at diagnosis.