The first segment of the left coronary artery is the _____ artery

a. circumflex
b. right coronary
c. left main coronary
d. left anterior descending


C
The first segment of the left coronary artery is called the left main coronary artery. It is about the width of a soda straw and less than 1 inch long. Blockage of the left main coronary artery has been referred to as the widow maker because of its association with sudden cardiac arrest when occluded.

Nursing

You might also like to view...

What discharge instruction regarding colostomy care is appropriate for the client 6 days post-procedure from a bowel resection?

A. "Use a moisturizing soap to cleanse the stomal area." B. "Measure the stoma once weekly for the first 6 to 8 weeks." C. "Use only a skin sealant containing an alcohol-based antiseptic." D. "Measure the opening of the stomal appliance so that it fits tightly against the peristomal skin."

Nursing

For clients taking levodopa, dietary recommendations may include:

1. Increasing protein intake to 1.2 grams of protein per kilogram of body weight 2. Taking higher protein foods with the evening meal rather than earlier in the day 3. Distributing fat content evenly over three meals 4. All of the above

Nursing

A nurse is reviewing the side effects of antidepressants with a group of older adults. Which of the following statements by a member of the group indicates that the nurse's teaching has been effective?

A) "I will start on the dose that I will take for life." B) "Fluoxetine should be given in the evening because it may help me sleep." C) "I need to maintain my fluid intake while on antidepressant medication." D) "The length of antidepressant treatment is usually 3 months for a first-time depression."

Nursing

Compute the amount of medication that will be given to administer one dose of the following orders, using the formula method to obtain your answers. Assume all tablets are scored, when necessary. Round all parenteral administration orders that are over 1 mL to one decimal place. Round all parenteral administration orders under 1 mL to two decimal places. Do not include zeros at the end of decimal

numbers. ? The problems and drug orders are presented for practice only, and actual prescribed dosages will vary according to a patient's age, condition, reaction, additional medications, and other factors. Order: nitroglycerin 0.6 mg SL stat Supply: 0.4 mg and 0.6 mg tablets Give: __________ tablet, give __________ tablet(s) Fill in the blank(s) with correct word

Nursing