Correct Answer: B

Rationale: The traditional plant 'ulasimang bato,' known as pancit-pancitan, is used to lower uric acid levels and treat rheumatism. It is important to recognize the common names of medicinal plants to understand their uses and benefits.

Correct Answer: A

Rationale: When a bill is introduced, it is sent to the appropriate committee where it is discussed, research is conducted, and expert testimony is heard. This is an essential step in the legislative process to evaluate the bill's merits and potential impact before it moves forward for consideration by the full legislative body.

Correct Answer: C

Rationale: Special interest groups often exert significant influence on legislators, making it challenging to pass tighter gun control laws. These groups may lobby against such legislation, impacting the decision-making process of lawmakers. This influence can hinder the progress of bills related to gun control, despite potential public support or health implications.

Correct Answer: B

Rationale: When dealing with contaminated instruments used during delivery, it is crucial to soak them in a 0.5% chlorine solution for 30 minutes to ensure proper disinfection. This practice helps eliminate potential pathogens and ensures the safety of both the healthcare provider and the patient.

Correct Answer: A

Rationale: Vaginal bleeding immediately after birth is most commonly due to uterine atony. Uterine atony is the failure of the uterine muscle to contract adequately after childbirth, leading to postpartum hemorrhage. This condition is more frequent than genital lacerations, abnormal clotting mechanisms, or endometritis as a cause of immediate postpartum bleeding.