Correct Answer: A

Rationale: Cardiac hypertrophy occurs when myocardial cells increase in size to compensate for an increased workload.

Correct Answer: D

Rationale: Pharyngeal efferent neurons are involved in head movement, including side-to-side motions.

Correct Answer: A

Rationale: The correct action specific to hormonal contraceptives that should be taught to the woman is that they alter cervical mucus to prevent sperm penetration. This mechanism helps in preventing pregnancy by reducing the chances of sperm reaching the egg. Choices B, C, and D are incorrect. Choice B is inaccurate as hormonal contraceptives work by inhibiting ovulation rather than increasing follicle-stimulating hormone release. Choice C is incorrect as hormonal contraceptives do not activate the maturation of the endometrial lining; instead, they modify it to prevent implantation. Choice D is also incorrect as hormonal contraceptives do not stimulate the pituitary gland to increase luteinizing hormone synthesis and release.

Correct Answer: B

Rationale: Lead poisoning primarily affects red blood cells, causing anemia. Hence, the priority test would be to assess red blood cell levels and morphology.

Correct Answer: A

Rationale: Oral contraceptives must be taken at the same time each day to maintain consistent hormone levels and ensure effectiveness in preventing pregnancy.