Mixed Deck — All COMAT Topics Flashcards
100 cards from real COMAT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 20 Mixed Deck — All COMAT Topics flashcards as text
Which pelvic muscle, when hypertonic, can cause piriformis syndrome compressing the sciatic nerve?
Answer: Piriformis
Hypertonic piriformis muscle can compress the sciatic nerve as it passes through or near the muscle in the gluteal region, causing piriformis syndrome.
Which cytokine is primarily responsible for the fever response during acute systemic infection?
Answer: IL-1β
IL-1β (along with IL-6 and TNF-α) is an endogenous pyrogen that acts on the hypothalamus to raise the thermoregulatory set point, producing fever.
Which cell type is primarily responsible for the airway hyperresponsiveness seen in asthma?
Answer: Eosinophils, mast cells, and Th2 lymphocytes
Asthma involves a Th2-driven eosinophilic inflammation with mast cell degranulation releasing histamine and leukotrienes, causing bronchoconstriction and airway hyperresponsiveness.
A 40-year-old woman presents with fatigue, weight gain, and cold intolerance. Physical exam reveals dry skin and delayed relaxation of deep tendon reflexes. Her TSH level is 12 mIU/L (normal: 0.4–4.0 mIU/L), and free T4 is low. Which of the following is the most appropriate next step?
Answer: Prescribe levothyroxine therapy
The patient's symptoms (fatigue, weight gain, cold intolerance, dry skin, delayed DTRs) and lab results (TSH 12 mIU/L, low free T4) are highly indicative of primary hypothyroidism. With a significantly elevated TSH and low free T4, the most appropriate next step is to initiate levothyroxine replacement therapy to restore thyroid hormone levels. Ordering anti-thyroid antibodies or a thyroid ultrasound might be done for etiology, but treatment for symptomatic hypothyroidism is paramount.
A patient with a C2 somatic dysfunction rotated right and sidebent right should be diagnosed as which type under Fryette's Laws?
Answer: Type II non-neutral dysfunction
When rotation and sidebending occur to the same side, this represents a Type II (non-neutral/coupled) Fryette dysfunction, typically occurring at a single segment in flexion or extension.
What is the standard of care requirement for patient communication in clinical practice?
Answer: The level of care a reasonably competent practitioner would provide
The standard of care is defined as what a reasonably competent practitioner with similar training would provide under similar circumstances.
Which mechanism best explains the pain of angina pectoris in coronary artery disease?
Answer: Ischemia-induced accumulation of metabolites stimulating cardiac nociceptors
Myocardial ischemia causes metabolite accumulation (adenosine, lactate, H+) that stimulates cardiac sympathetic afferents, producing the characteristic chest pain of angina.
In acute pancreatitis, release of pancreatic enzymes into the parenchyma causes tissue destruction primarily through which mechanism?
Answer: Autodigestion by activated trypsin, lipase, and phospholipase
Premature intrapancreatic activation of digestive enzymes (especially trypsin) initiates autodigestion of pancreatic parenchyma, fat necrosis, and systemic inflammation.
Which rib dysfunction presents with inhalation restriction — the rib moves up on inhalation but cannot descend fully on exhalation?
Answer: Inhalation rib dysfunction
An inhalation rib dysfunction (elevated rib) is stuck in the inhalation position, restricting exhalation motion.
What role does documentation play in treatment planning?
Answer: It is a critical legal and clinical requirement
Thorough documentation in treatment planning is both a legal requirement and essential for continuity of patient care.
Which ethical principle is most directly applicable to treatment planning?
Answer: Beneficence — acting in the patient's best interest
Beneficence, the principle of acting in the patient's best interest, is fundamental to ethical practice in treatment planning.
The pathophysiology of disseminated intravascular coagulation (DIC) involves which primary initiating event?
Answer: Widespread tissue factor exposure activating simultaneous clotting and fibrinolysis
DIC is triggered by massive tissue factor release (from sepsis, trauma, or malignancy) causing uncontrolled systemic thrombin generation, consuming clotting factors and platelets while activating fibrinolysis.
What is the standard of care requirement for diagnostic procedures in clinical practice?
Answer: The level of care a reasonably competent practitioner would provide
The standard of care is defined as what a reasonably competent practitioner with similar training would provide under similar circumstances.
Which evidence-based approach is most important when applying patient safety protocols principles?
Answer: Integrating current research with clinical expertise and patient values
Evidence-based practice in ${subj.toLowerCase()} requires integrating current research findings with clinical expertise and individual patient values.
How should a practitioner handle an unexpected finding during diagnostic procedures procedures?
Answer: Document it and follow established protocols for further evaluation
Unexpected findings must be documented and addressed through established protocols to ensure patient safety.
The CAGE questionnaire screens for which condition using four questions about cutting down, annoyance, guilt, and eye-openers?
Answer: Alcohol use disorder
The CAGE questionnaire is a validated 4-item screening tool for alcohol use disorder; a score of ≥2 indicates a clinically significant alcohol problem.
What is the standard of care requirement for clinical assessment methods in clinical practice?
Answer: The level of care a reasonably competent practitioner would provide
The standard of care is defined as what a reasonably competent practitioner with similar training would provide under similar circumstances.
What is the standard of care requirement for documentation standards in clinical practice?
Answer: The level of care a reasonably competent practitioner would provide
The standard of care is defined as what a reasonably competent practitioner with similar training would provide under similar circumstances.
Which herpes zoster vaccine is preferred for adults aged 50 and older due to its greater than 90% efficacy?
Answer: Shingrix (recombinant subunit)
Shingrix (recombinant zoster vaccine, RZV) is the preferred vaccine for herpes zoster prevention in adults ≥50 years, with >90% efficacy across age groups.
According to the 2024 USPSTF recommendation, when should average-risk women begin biennial mammography screening for breast cancer?
Answer: Age 40
The 2024 USPSTF update recommends that average-risk women begin biennial mammography screening at age 40, earlier than the prior recommendation of 50.