When evaluating the heart sounds, splitting refers to a single heart sound that begins to be heard as two distinct sounds. This can occurs when normally synchronous events (i.e., occurring at the same time) become asynchronous. The medical chart says the patient has splitting of the first heart sound, this means that which auscultatory events are occurring asynchronously?

Name the structure indicated (A, yellow arrow): Name the structure indicated (B, green arrow):

34) Which of the following methods has led to the most discoveries of massive planets orbiting near their parent stars?

31) The core of the Sun is

30) A rocky leftover planetesimal orbiting the Sun is

42) A planet is detected via the Doppler technique. The symmetry-shape of the periodic stellar velocity pattern tells us

27) What is the Sun made of?

47) What happens to energy in the convection zone of the Sun?

40) Halley’s comet is named after the English scientist Edmund Halley because he

11) What is the age of the oldest known stromatolites, which indicate microbial life on Earth?