The natural cycle relating to body functions that occurs due to daily, monthly or yearly changes is called

Correct Answer: D

Rationale: The correct answer is D: Biorhythm. Biorhythms refer to the natural cycles of physical, emotional, and mental well-being that our bodies go through daily, monthly, or yearly. These cycles are influenced by external factors like light, temperature, and societal routines. Biofuel (A) refers to energy derived from living organisms, not body functions. Biology (B) is the study of living organisms and their interactions, not the specific cycles within the body. Biodiversity (C) refers to the variety of life forms in an ecosystem, which is unrelated to the question about body functions.

Correct Answer: D

Rationale: The correct answer is D because a resident with a gastrointestinal illness may have restrictions on fluid intake to prevent exacerbating symptoms like diarrhea or vomiting. This restriction helps in managing the illness and preventing dehydration. Choice A (The resident is sleepy) is irrelevant to fluid intake. Choice B (The resident has an order for physical therapy) does not directly impact fluid intake. Choice C (The resident has a weight-reducing diet order) focuses on dietary intake, not fluid intake. Thus, the rationale for the correct answer lies in the direct relationship between gastrointestinal illness and the need for fluid restriction.

Correct Answer: C

Rationale: The correct answer is C: ¾ inch. This length is appropriate for inserting a prelubricated commercial enema into the rectum. Inserting it too shallow (choices A and B) may not reach the desired area for effective administration. Inserting it too deep (choice D) can potentially cause discomfort or injury. Therefore, ¾ inch strikes a balance between reaching the rectum effectively and avoiding unnecessary depth.

Correct Answer: A

Rationale: The correct answer is A because the male reproductive system's primary function is to produce testosterone, a hormone responsible for male characteristics and sperm production. Testosterone is produced in the testes by Leydig cells. Choices B, C, and D are incorrect because progesterone is produced by the female ovaries, ova are produced by the female reproductive system, and estrogen is the primary female sex hormone.

Correct Answer: D

Rationale: The correct answer is D: Cardiomyopathy. Cardiomyopathy is a condition characterized by weakening of the heart muscle due to enlargement, leading to reduced heart function. Coronary artery disease (A) involves blockages in the heart's blood vessels, not weakening of the heart muscle. Angina pectoris (B) is chest pain caused by reduced blood flow to the heart muscle, not weakening of the heart muscle itself. Myocardial ischemia (C) refers to reduced blood flow to the heart muscle, which can lead to heart muscle damage but is not specifically related to weakening and enlargement of the heart muscle as seen in cardiomyopathy.