Lembaran kerja Kejururawatan klinikal dengan jawapan

Which structure is the heart's natural pacemaker?

1. AThe aorta
2. BThe sinoatrial (SA) node
3. CThe left ventricle
4. DThe mitral valve in the left side of the heart

Why should insulin injection sites be rotated?

1. ABecause insulin causes the skin to bleed if one site is used often
2. BTo prevent lumpy fatty areas that make absorption unpredictable
3. CTo make the insulin work more slowly and evenly every time
4. DTo stop the insulin from freezing under the skin

In the chain of infection, hand hygiene mainly breaks which link?

1. AThe mode of transmission
2. BThe susceptibility of the host
3. CThe infectious agent's ability to grow
4. DThe reservoir of infection

A patient's low potassium does not improve despite potassium replacement. Which other electrolyte should be checked?

1. APhosphate
2. BMagnesium
3. CSodium
4. DChloride

Why are patients asked to fast before a general anaesthetic?

1. ATo prevent postoperative constipation and abdominal bloating
2. BTo reduce the risk of aspirating stomach contents
3. CTo make the surgery shorter
4. DTo lower the blood glucose before surgery

Why is continuous bladder irrigation used after a transurethral resection of the prostate (TURP)?

1. ATo measure the patient's kidney function
2. BTo stop blood clots from blocking the catheter
3. CTo stretch the bladder back to its normal size
4. DTo give antibiotics directly into the kidneys

In a patient with a head injury, which is usually the earliest sign of rising intracranial pressure?

1. AIrregular breathing pauses
2. BA slow pulse with high blood pressure
3. CA change in level of consciousness
4. DA fixed, dilated pupil on both sides

A patient has a swollen, warm, tender calf on one side. Which action should the nurse avoid?

1. AMeasuring and comparing calf circumference
2. BMassaging the calf
3. CReporting the findings to the doctor
4. DChecking whether VTE prophylaxis was given