An IV drug user was diagnosed with hepatitis C 5 years ago. The patient is now experiencing impaired blood clotting. The nurse suspects a decrease in which of the following vitamins?
a. K
b. D
c. E
d. B12
ANS: A
Lack of vitamin K, not D, E, or B12, interferes with clotting.
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The nurse explains that hypertension occurs when a chain reaction of events takes place. Place the following options in the appropriate sequence:
1. Ephedrine constricts vessels and increases heart rate. 2. Renin constricts vessels and decreases the blood flow to the kidneys. 3. Angiotensin constricts vessels in response to renin. 4. Norepinephrine constricts vessels, increasing peripheral vascular resistance. 5. The adrenal cortex produces aldosterone, causing fluids and sodium to be re-tained.
What type of research design occurs when the nurse researcher gives the comparison group the experimental intervention at a later point in time?
A) Propensity matching B) Switching replication C) Time series D) Nonequivalent control group pretest–posttest
In planning a discussion on child safety for a group of new parents, the nurse includes information on the appropriate use of an infant car seat, which includes that the car seat should be:
a. Strapped in the back seat on the passenger side, facing forward b. Secured in the middle of the back seat, facing the rear c. Fastened securely in the passenger seat, facing the rear d. Placed in the back seat on the driver's side, facing forward
An elderly client is brought to the emergency room following ingestion of an unknown substance. The client, who appears to have dementia, has tremors, depression, and confusion. The nurse should assess the client for poisoning by:
A) Lead. B) Aluminum. C) Manganese. D) Mercury.