Correct Answer: D

Rationale: The correct answer is D, 'recurring.' A chronic condition is one that is ongoing or long-lasting, implying that it persists or recurs over a prolonged period of time. Choices A, B, and C are incorrect because chronicity does not necessarily imply harmlessness, criticality, or contagion; rather, it refers to the persistent or recurring nature of the condition.

Correct Answer: C

Rationale: The correct answer is C, 'Evisceration.' Evisceration specifically refers to the surgical removal of an organ's contents, for example, the removal of abdominal contents during certain surgical procedures. Vivisection (A) involves performing experiments on live animals, amputation (B) is the removal of a limb, and augmentation (D) is the process of increasing the size, value, or quality of something. Therefore, in the context of surgical procedures, evisceration best fits the description of removing an organ's contents.

Correct Answer: A

Rationale: The abbreviation PDR stands for Physician's Desk Reference, which is a widely used book containing information about prescription drugs, including their uses, side effects, and dosages. Therefore, the abbreviation PDR is associated with drugs. Choices B, C, and D are incorrect because PDR specifically relates to drugs and not procedures, books, or muscle groups.

Correct Answer: B

Rationale: A mass of tissue formed in the ovary is known as the corpus luteum. The corpus luteum is a temporary endocrine structure involved in the production of progesterone, which is essential for preparing and maintaining the uterus for pregnancy. Choices A, C, and D are incorrect. Corpus delicti refers to the body of a crime, corpus striatum is a part of the brain, and corpus callosum is a structure that connects the two hemispheres of the brain.

Correct Answer: D

Rationale: Correct! Puerilism refers to behaving in a childish or immature manner. In the context of older patients with dementia showing signs of puerilism, it suggests they may exhibit behaviors associated with acting like a child. Choice A, 'Congeniality,' is incorrect as it means friendliness or pleasantness. Choice B, 'Depression,' is incorrect as it refers to a state of low mood. Choice C, 'Irritability,' is incorrect as it means easily annoyed or provoked, which is different from behaving childishly.