The nurse is aware that vitamins are organic compounds that differ in function and availability. When discussing the difference with a client, which of the following statements would best describe vitamins?
A) Vitamins are composed of long chains of molecules linked together.
B) Vitamins provide energy.
C) Vitamins are susceptible to destruction by factors such as heat, air, and light.
D) Vitamins exist in only one active form.
C
Feedback:
Vitamins are susceptible to destruction and subsequent loss of function due to vulnerability to heat, light, oxidation, acid, and alkalis. Vitamins are individual molecules. They do not provide energy but are needed for metabolism of energy. They are extremely complex chemical substances that differ widely in structure.
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An instructor explains that patients are different. Their beliefs are different
Their responses to illness and wellness are different depending on their cultural backgrounds—even patients from the same cultural group may have differences in their health-care beliefs and practices. The knowledge of various cultural beliefs and values is known as cultural ____________________. Fill in the blank with correct word.
As part of a prenatal class about the structures involved in pregnancy and their function, the nurse discusses the placenta, explaining that its function is to:
A) Prevent passage of antibodies from mother to child B) Provide a direct exchange of blood between mother and child C) Provide an exchange of metabolic products between mother and child D) Prevent passage of teratogenic agents from mother to child
An ECG rhythm strip shows a ventricular rate of 128 bpm, a regular rhythm, a PR interval of 0.16 seconds, a QRS duration of 0.08 seconds, and one upright P wave before each QRS. This rhythm is sinus _____
a. arrhythmia b. bradycardia c. rhythm d. tachycardia
A patient is having difficulty having a bowel movement on the bedpan. What is the physiologic reason for this problem?
A) It is painful to sit on a bedpan. B) The position does not facilitate downward pressure. C) The position encourages the Valsalva maneuver. D) The cause is unknown and requires further study.