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An 82-year-old client who sustained a head injury in a motor vehicle crash while on warfarin therapy is admitted for observation. The nurse is providing teaching regarding the client's diagnosis of a subdural hematoma. Which of the following statements by the client indicates an understanding of teaching?

A.

"I developed a hematoma because an artery burst in my brain when my head hit the windshield."

B.

"I developed a bleed in my brain because my platelets were too high."

C.

"I developed a hematoma because I take a blood thinner and my head hit the windshield."

D.

"I developed a hematoma because my bleeding times were too low and I hit my head."

Answer and Explanation

The Correct Answer is C

A. A subdural hematoma is typically caused by venous bleeding, not arterial bleeding. An arterial rupture would more likely cause an epidural hematoma, which is not the case here.
B. High platelet counts are not commonly associated with the formation of subdural hematomas. Subdural hematomas are usually due to bleeding related to anticoagulant use or trauma.
C. Taking a blood thinner like warfarin increases the risk of bleeding and hematoma formation, particularly when combined with head trauma. This statement correctly links the anticoagulant therapy and head injury as contributing factors to the subdural hematoma.
D. Low bleeding times are not a cause of hematomas. In fact, elevated bleeding times due to anticoagulant therapy would increase the risk of bleeding, not low bleeding times.
 


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Related Questions

Correct Answer is ["B","C","D","E"]

Explanation

A. Osteoarthritis is not associated with hearing loss
B. The client's place of employment as a firearms instructor at a shooting range exposes them to loud noises, which is a well-known risk factor for hearing loss.
C. Gentamycin is an aminoglycoside antibiotic that can be ototoxic, especially when administered in high doses or for prolonged periods, potentially leading to hearing loss.
D. Naproxen is a nonsteroidal anti-inflammatory drug (NSAID) that has been associated with an increased risk of hearing loss, particularly when taken regularly or in high doses.
E. Bumetanide is a loop diuretic that can also have ototoxic effects, especially when used in conjunction with aminoglycoside antibiotics like gentamycin.
F. Heart failure is not associated with hearing loss

Correct Answer is ["11.074"]

Explanation

To calculate the infusion rate, we'll use the following formula:

Infusion rate (mL/hr) = Desired dose (units/hr) / Concentration of heparin (units/mL)

First, calculate the desired dose in units/hr:

  • 14 units/kg/hr x 79.1 kg = 1107.4 units/hr

Next, calculate the concentration of heparin in the IV bag:

  • 25,000 units / 250 mL = 100 units/mL

Finally, plug the values into the formula:

  • Infusion rate = 1107.4 units/hr / 100 units/mL = 11.074 mL/hr

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