What is the process that ensures mitral and tricuspid valve closure after the ventricles are filled with blood?

a. Chordae tendineae relax, which allows the valves to close.
b. Increased pressure in the ventricles pushes the valves to close.
c. Trabeculae carneae contract, which pulls the valves closed.
d. Reduced pressure in the atria creates a negative pressure that pulls the valves closed


Answer: b. Increased pressure in the ventricles pushes the valves to close.

Nursing

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A young couple is in the clinic for a prenatal exam. The woman expresses concern that her husband continues to binge drink and use drugs on weekends. What action by the nurse is best?

A. Assess the father for reasons why he continues to abuse alcohol and illicit drugs at his age. B. Explain that if there are drugs in a house with a baby, the baby can be taken away. C. Help the husband see how his drug and alcohol use is inconsistent with the father role. D. Warn the husband that he will be putting the baby at risk unless he stops this activity.

Nursing

During initial therapy with levothyroxine, the most common reactions a nurse might observe in a client include which of the following? Select all that apply

A) Elevated body temperature B) Weight loss C) Tachycardia D) Hypotension E) Insomnia

Nursing

You make a mistaken on a handwritten chart entry. Which is the best way to correct it?

1. Cover it with correction fluid (e.g., Wite-Out) to keep the notes neat. 2. Leave it as it is. You cannot correct an error in charting. 3. Draw a single line through the entry, date and initial it, then make the correction. 4. Write over the error and initial it.

Nursing

The forces of blood flow that is often used as the basis for titration of medications is

A. hemodynamics. B. vasoactives C. antiarrhythmics. D. blood pressure

Nursing