jarvis physical examination and health assessment test bank

Correct Answer: C

Rationale: Hyperkalemia is associated with diminished renal function because the kidneys play a crucial role in regulating potassium levels in the body. When renal function is impaired, the kidneys may not be able to excrete excess potassium effectively, leading to elevated potassium levels in the blood. - Choice A (Increase BP) is incorrect because hyperkalemia is not directly associated with increased blood pressure. - Choice B (Alpha-blockers) is incorrect as alpha-blockers are not typically linked to hyperkalemia. - Choice D (Loop diuretics) is incorrect as loop diuretics can actually lower potassium levels, not cause hyperkalemia.

Correct Answer: C

Rationale: The correct answer is C: Lower dose of antibiotics. The rationale is that the patient has early renal insufficiency, which means the kidney may have difficulty clearing medications from the body. Therefore, a lower dose of antibiotics is needed to prevent potential drug toxicity. A shorter course of antibiotics (choice A) may not be effective in treating pneumonia adequately. A longer course of antibiotics (choice B) may increase the risk of drug accumulation in the body. A higher dose of antibiotics (choice D) can lead to increased toxicity in a patient with renal insufficiency. Thus, the most appropriate option is to reduce the dose to ensure safe and effective treatment.

Correct Answer: B

Rationale: The correct answer is B: Present illness. The statement "I feel really tired" falls under the present illness category because it describes the current health concern the individual is experiencing. This section focuses on the details of the current symptoms, their duration, severity, and any associated factors. It helps in understanding the progression and impact of the current health issue. A: Chief complaint typically refers to the main reason for seeking medical help, usually a symptom or problem that brought the individual to the healthcare provider. C: Personal and social history covers information about the individual's lifestyle, habits, and social support system. D: Review of systems involves systematically asking about symptoms related to different body systems, which is not the case in the given statement.

Correct Answer: B

Rationale: The correct answer is B: Small amplitude, weak. In congestive heart failure, the heart's ability to pump effectively is compromised, leading to decreased cardiac output. This results in a weakened pulse with reduced amplitude. Palpating a small, weak pulse in this patient is expected due to poor cardiac function. Choices A and C are incorrect because a large, forceful pulse is not expected in congestive heart failure, and a normal pulse may not reflect the compromised cardiac function. Choice D, bigeminal, refers to an abnormal rhythm characterized by every other heartbeat being premature and is not typically associated with congestive heart failure.

Correct Answer: C

Rationale: The pectinate or dentate line is the border between the anal canal and the rectum. This is true because it represents the transition between the endoderm-derived upper anal canal and the ectoderm-derived lower anal canal. It is an important anatomical landmark in colorectal surgery and in distinguishing different pathologies in the anal region. Choice A is incorrect because the pectinate or dentate line is not typically palpable. Choice B is incorrect as it does not demarcate areas supplied by different nervous systems. Choice D is incorrect as the pectinate or dentate line is visible on proctoscopic examination due to its distinct appearance.