Explanation
(A) Intermediate-acting insulin is not indicated in an emergency. (B) Regular insulin is rapid acting and indicated in an emergency situation. (C) Long-acting insulin is not indicated in an emergency situation. (D) Intermediate-acting insulin is not indicated in an emergency situation.

Explanation
(A) Digoxin is a cardiac glycoside given to clients in heart failure to improve their myocardial contractility.
(B) Furosemide is a loop diuretic given to clients in heart failure to promote diuresis. (C) O2is given to clients in heart failure to increase oxygenation and to prevent or treat hypoxemia. (D) Nitroglycerin is a nitrate given to clients in heart failure to increase their cardiac output by decreasing the peripheral resistance that the left ventricle must pump against.

Explanation
(A) Lifting heavy objects will increase intrathoracic pressure, thus placing the client at risk for rupturing esophageal varices. (B, C, D) This activity will not cause an increase in intrathoracic pressure.

Explanation/Reference:
Explanation:
(A) These are general diagnostic blood studies (usually done on admission), but they are not reliable indicators of lithium therapy clearance. (B) These are the primary diagnostic tests to determine kidney functioning. Because lithium is excreted through the kidneys and because it can be very toxic, adequate renal function must be ascertained before therapy begins. (C) These are diagnostic blood tests used to determine the presence of endocrine (not renal) dysfunction. (D) These are other types of diagnostic procedures used to determine musculoskeletal, neural, and cardiac (rather than renal) functioning.

Explanation
(A) The wound is not infected. An infected wound would contain pus, debris, and exudate. (B) The wound is healing properly. (C) A necrotic wound would appear black or brown. (D) The wound is healing properly and is filled with red granulated tissue and fragile capillaries.