Explanation/Reference:
Explanation:
(A, B, C) Clinical manifestations of right-sided heart failure are weakness, peripheral edema, jugular venous distention, hepatomegaly, jaundice, and elevated central venous pressure. (D) Clinical manifestations of left-sided heart failure are left ventricular dysfunction, decreased cardiac output, hypotension, and the backward failure as a result of increased left atrium and pulmonary artery pressures, pulmonary edema, and rales.

Explanation/Reference:
Explanation:
(A) The prone position reduces pressure and tension on the sac. Primary nursing goals are to prevent trauma and infection of the sac. (B) The supine position exerts pressure on the sac. (C) Newborns usually cannot maintain side-lying position. (D) The semi- Fowler position exerts pressure on the sac.

(A) The teenager is already coping ineffectively and requires early detection and treatment, which is secondary prevention. (B) The client must be sent to a rehabilitation unit, which requires tertiary prevention. (C) Reducing the incidence of disease through education supports primary prevention. (D) A client with identified symptoms of post-traumatic stress disorder requires intervention by treatment.

Explanation
(A) This answer is incorrect. The test measures the abilities to concentrate and calculate. The use of proverbs is the most common way to test abstraction. (B) This answer is correct. The serial sevens test is a common test of calculation ability. It is difficult for the demented or delirious client to perform. (C) This answer is incorrect. The test for judgment should predict whether the individual will behave in a socially accepted manner. (D) This answer is incorrect. In testingmemory, the nurse would attempt to get the client either to recall recent events or to think about past events.

(A) This value is a low blood level. (B) This value is a toxic blood level. (C) This value is a low blood level. (D) This value is the level at which most clients are maintained, and toxicity may occur if the level increases. The client should be monitored closely for symptoms, because some clients become toxic even at this level.