Correct Answer: C

Rationale: Extrapyramidal effects are movement disorders that can be caused by certain medications affecting the central nervous system. These effects can include symptoms like tremors, rigidity, and bradykinesia. Medications like typical antipsychotics are known to induce extrapyramidal effects by interfering with dopamine transmission in the central nervous system.

Correct Answer: A

Rationale: Metformin should be taken with meals to reduce gastrointestinal side effects and to ensure better absorption.

Correct Answer: A

Rationale: Hydralazine is a vasodilator that can cause reflex tachycardia as an adverse effect. The client should monitor their pulse and report any significant increases, as tachycardia can indicate a severe adverse reaction to the medication.

Correct Answer: A

Rationale: The correct instruction for a client with a new prescription for Phenytoin is to brush and floss their teeth regularly. Phenytoin is known to cause gingival hyperplasia, a condition that affects the gums. By maintaining good oral hygiene practices such as regular brushing and flossing, the client can help minimize the risk of developing this side effect.

Correct Answer: C

Rationale: The correct answer is C. The client should report increasing intensity, frequency, or duration of contractions to the provider as these are signs of preterm labor. Monitoring contractions is crucial for the management of preterm labor and the safety of both the client and the fetus.