Question 1

A female client is started on warfarin (Coumadin) 5 mg po bid. To adequately evaluate the effectiveness of the warfarin therapy, the nurse must know that this medication:

Options :

A : Dissolves any clots already formed in the arteries

B : Prevents the conversion of prothrombin to thrombin

C : Interferes with the synthesis of vitamin K-dependent clotting factors

D : Stimulates the manufacturing of platelets

Answer: C

Question 2

The nurse is trying to help a mother understand what is happening with her son who has recently been diagnosed with paranoid schizophrenia. At present, he is experiencing hallucinations and delusions of persecution and suffers from poor hygiene. The nurse can best help her understand her son’s condition by which of the following statements?

Options :

A : “Sometimes these symptoms are caused by an overstimulation of a chemical called dopamine in the brain.”

B : “Has anyone in your family ever had schizophrenia?”

C : “If your son has a twin, he probably will eventually develop schizophrenia, too.”

D : “Some of his symptoms may be a result of his lack of a strong mother-child bonding relationship.”

Answer: A

Question 3

The nurse would need to monitor the serum glucose levels of a client receiving which of the following
medications, owing to its effects on glycogenolysis and insulin release?

Options :

A : Norepinephrine (Levophed)

B : Dobutamine (Dobutrex)

C : Propranolol (Inderal)

D : Epinephrine (Adrenalin)

Answer: D

Question 4

Hypoxia is the primary problem related to near-drowning victims. The first organ that sustains irreversible
damage after submersion in water is the:

Options :

A : Kidney (urinary system)

B : Brain (nervous system)

C : Heart (circulatory system)

D : Lungs (respiratory system)

Answer: B

Question 5

Which of the following would have the physiological effect of decreasing intracranial pressure (ICP)?

Options :

A : Increased core body temperature

B : Decreased serum osmolality

C : Administration of hypo-osmolar fluids

D : Decreased PaCO2

Answer: D