Answer to Question 1
Correct Answer: 4
Rationale 1: Nonionized calcium is not the physiologically active form of calcium.
Rationale 2: Substances bound to albumin are not free to leave the bloodstream to carry out biological activities.
Rationale 3: Complexed calcium is not the physiologically active form of calcium.
Rationale 4: Ionized calcium is the only physiologically and clinically significant form of calcium.
Global Rationale: About 50 of the serum calcium is in an active, ionized form that participates in intracellular functions, including neuromuscular activity and blood coagulation. This is the only physiologically and clinically significant form of calcium. Substances bound to albumin are not free to leave the bloodstream to carry out biological activities. Complexed calcium is not the physiologically active form of calcium.
Answer to Question 2
Correct Answer: 1,2,3,4
Rationale 1: This drug can be taken 30 minutes to 1 hour before sexual activity.
Rationale 2: Only one dose of the medication can be taken within a 24-hour period.
Rationale 3: The client should report and seek medication attention for an erection that lasts longer than 4 hours.
Rationale 4: A high-fat meal may cause a delay in the action of the medication.
Rationale 5: Chest pain and blue-tinged vision are not expected side effects of this medication and should be immediately reported to a health care provider.
Global Rationale: This drug can be taken 30 minutes to 1 hour before sexual activity. Only one dose of the medication can be taken within a 24-hour period. The client should report and seek medication attention for an erection that lasts longer than 4 hours. A high-fat meal may cause a delay in the action of the medication. Chest pain and blue-tinged vision are not expected side effects of this medication and should be immediately reported to a health care provider.