NEW
Font size
WorksheetsCKT revision
Total questions: 5
Worksheet time: 5mins
6-year-old boy with a limp. His parents report that this has been getting steadily worse over the past few weeks. He complains of pain in the right groin/hip region. An x-ray shows widening of the right hip joint space with flattening of the femoral head.
For each one of the following presentations please select the most likely diagnosis:
Septic arthritis
Transient synovitis
Perthes disease
Juvenile idiopathic arthritis
Slipped upper femoral epiphysis
A new blood test to screen patients for heart failure is trialled on 500 patients. The test was positive in 40 of the 50 patients shown to have heart failure by echocardiography. It was also positive in 20 patients who were shown not to have heart failure.
What is the positive predictive value of the test?
0.8
0.66
0.3
0.1
0.5
You are the duty doctor at a GP Practice and you see a 23-year-old lady who takes the desogestrel progesterone only contraceptive pill (POP). She has forgotten to take her pill for 2 days as she went away for the weekend and forgot to take her pill packet with her. She remembered this afternoon and took 2 of her pills. She intends to continue taking them daily from now on and has set an alarm on her phone. She had unprotected sex this morning and she is worried that she now needs emergency contraception.
What should you advise?
She does not need emergency contraception
She needs emergency contraception and does not require additional contraception
She needs emergency contraception and should use condoms for 48 hours
She needs emergency contraception and should use condoms for 72 hours
She needs emergency contraception and should use condoms for 7 days
A 23-year-old female has a Nexplanon (etonogestrel contraceptive implant) inserted on day 18 of her 28 day cycle.
At what point can this be relied upon to provide contraception?
After 2 days
At the end of the next menstrual period
Immediately
After 7 days
At the start of the next menstrual period
A 35-year-old woman is noticed to be jaundiced. As part of a liver screen the following results are obtained:
Anti-HBs positive
Anti-HBc = positive
HBs antigen = negative
What is the patient's hepatitis B status?
Previous immunisation to hepatitis B
Chronic hepatitis B - highly infectious
Previous hepatitis B infection, not a carrier
Chronic hepatitis B - not infectious
Acute hepatitis B infection
