CMAA NHA Certified Medical Administrative Assistant - Set 1 - Part 3

Correct Answer: Integumentary system

The integumentary system covers skin, hair, nails, and glands, providing a barrier against pathogens and ultraviolet radiation, supporting thermoregulation and sensation, and contributing to vitamin D synthesis through sun-exposed skin. Option a is incorrect because the endocrine system regulates metabolism, growth, and reproduction through hormones from glands such as the thyroid and pancreas, but it is not the surface barrier organ system the explanation is describing. Option b is incorrect because the lymphatic system drains interstitial fluid and supports immune defense through lymph nodes and lymphocytes, which is a different role from the skin-based ultraviolet barrier described in the patient education. Option c is incorrect because the skeletal system provides structural support, protection, and blood-cell formation in red marrow, but it does not function as a surface barrier against ultraviolet radiation or pathogens like the skin.

Correct Answer: Endocrine system

The endocrine system regulates metabolism, growth, fluid balance, glucose, and stress response through hormones secreted by glands such as the pituitary, thyroid, parathyroids, adrenals, and pancreatic islet cells. Option b is incorrect because the respiratory system handles gas exchange and acid-base regulation through the lungs and airways, not hormone secretion from the pancreas, thyroid, and adrenal glands described in the patient education. Option c is incorrect because the urinary system filters blood and excretes urine through the kidneys and bladder, contributing to fluid balance, but it is not the hormone-secreting glandular system that the conversation is describing. Option d is incorrect because the reproductive system produces gametes and supports gestation through ovaries, testes, and related structures, which is a different role than the broader hormone secretion described in the patient education.

Correct Answer: Urinary system

The urinary system filters blood, regulates fluid and electrolyte balance, controls acid-base status, supports blood-pressure regulation, and produces erythropoietin, so a creatinine elevation prompts a wider discussion of these renal functions for the patient. Option a is incorrect because the cardiovascular system circulates blood and supports oxygen and nutrient transport, which interacts with kidney function but does not itself produce erythropoietin or directly regulate urine through filtration. Option b is incorrect because the digestive system handles nutrient absorption and waste elimination via the gastrointestinal tract, which is unrelated to creatinine elevation and the renal multi-functional roles the provider is describing. Option d is incorrect because the nervous system controls sensation, motor function, and many autonomic activities, but it does not filter blood, regulate fluid balance, or produce erythropoietin the way the kidneys do for the body.

Correct Answer: Lymphatic and immune system

The lymphatic and immune system uses lymph nodes, lymph vessels, the spleen, the thymus, and white blood cells to drain interstitial fluid, absorb dietary fats, and defend the body against infection and abnormal cells. Option a is incorrect because the endocrine system regulates hormones for growth, metabolism, and stress response rather than producing antibodies and using lymph nodes for surveillance, which is the focus of the patient's question here. Option c is incorrect because the hematopoietic role focuses on cell formation in bone marrow and is often grouped with cardiovascular and immune topics, but it does not by itself capture the lymph node and spleen surveillance described. Option d is incorrect because the integumentary system contributes a surface barrier against pathogens, but it does not perform the lymph-node-based immune surveillance and antibody production discussed in the question.

Correct Answer: Cardiovascular system

The cardiovascular system circulates blood through the heart, arteries, veins, and capillaries to deliver oxygen, nutrients, hormones, and immune cells while removing carbon dioxide and waste, and supporting clotting and thermoregulation. Option a is incorrect because the reproductive system produces gametes and supports reproduction, gestation, and lactation, which is not the system that transports oxygen and waste throughout the body in the rehab discussion described. Option b is incorrect because the skeletal system provides support, organ protection, and movement with muscles, plus blood-cell formation in red marrow, but it does not circulate blood like the cardiovascular network of the body. Option c is incorrect because the muscular system enables movement, posture, and heat production through skeletal, cardiac, and smooth muscle, with cardiac muscle contributing to the heart pump rather than being the entire circulatory transport system.

Correct Answer: Use two identifiers and search nicknames

Using at least two identifiers, such as full name and date of birth, and searching common nicknames and spelling variants reduces duplicate-record creation for patients whose names appear in multiple forms in the system. Option b is incorrect because trusting only the patient's stated spelling can miss prior records under maiden, hyphenated, or nickname versions of the name, increasing the risk of building a parallel chart that fragments the patient's history. Option c is incorrect because skipping phonetic search saves a few seconds at registration but increases duplicate creation, which then requires costly merging by health information management staff later in the patient's care relationship. Option d is incorrect because using only the last name leaves out date of birth, common-name resolution, and nickname checks, all of which are needed to confirm that the patient does not already have an existing record.

Correct Answer: Use a private check-in approach

Using a private check-in approach, such as a tear-off slip, kiosk, or verbal greeting, prevents arriving patients from seeing other patients' names and times together, which together count as protected health information. Option a is incorrect because continuing with a publicly visible list exposes patient names and appointment times to anyone walking by, which is exactly the kind of disclosure the front-desk privacy practice is designed to avoid. Option b is incorrect because names must still be collected for accurate identification, scheduling, and clinical care, so the appropriate fix is to keep collecting them privately rather than to stop collecting names altogether. Option d is incorrect because displaying only first initials still risks identification when combined with arrival times and overheard conversations, so a fully private check-in method offers stronger protection than abbreviated names alone.

Correct Answer: Twice daily

BID is the standard abbreviation for twice daily, derived from the Latin bis in die, so the patient should plan for two doses per day taken with food as the prescriber has instructed. Option a is incorrect because as needed corresponds to PRN, derived from pro re nata, which describes intermittent dosing for symptom relief rather than the scheduled twice-daily pattern the prescriber has chosen for this medication. Option c is incorrect because every other day corresponds to QOD, which is on the Joint Commission Do Not Use list and refers to a different pattern than the twice-daily schedule the prescriber actually ordered. Option d is incorrect because four times daily corresponds to QID, derived from quater in die, which is twice as frequent as BID and would change the dosing significantly from what the prescriber actually wrote.

Correct Answer: Kidney infection or inflammation

Pyelonephritis combines pyelo for renal pelvis, nephro for kidney, and itis for inflammation, so the term refers to a kidney infection that often presents with flank pain, fever, chills, and urinary symptoms. Option a is incorrect because a bladder infection by itself is more accurately called cystitis, which uses the cyst root for bladder, while pyelonephritis specifically involves the kidney and renal pelvis as its anatomic targets. Option b is incorrect because liver inflammation is hepatitis, formed from hepato plus itis, neither of which match the pyelo and nephro roots that point at kidney structures rather than at the liver in this patient's diagnosis. Option c is incorrect because spinal cord compression uses myelo or spondyl roots, not pyelo and nephro, so the discharge term refers to kidney inflammation rather than to a problem affecting the spinal cord directly.

Correct Answer: Audit log with user identity

The audit log records every action in the electronic health record, including the user identity, time stamp, and source device, providing a forensic trail used for investigations, breach reviews, and access audits. Option a is incorrect because the patient-portal billing tab shows charges and statements visible to the patient, not the system-wide log of every access event needed by an auditor or compliance reviewer for chart accountability. Option c is incorrect because the education resource library houses patient education content for clinicians and patients, which is unrelated to the access log that the consultant is actually requesting in this scenario today. Option d is incorrect because the vital signs trending chart shows measurement history over time, but it does not track who viewed or modified information in the record, so it is not the access log feature being requested.