Caa- Certified Anesthesiologist Assistant | Latest Exam Preparation - Complete Questions And Verified Answers - Study Aid

CAA- CERTIFIED ANESTHESIOLOGIST ASSISTANT | LATEST EXAM PREPARATION -
COMPLETE QUESTIONS AND VERIFIED ANSWERS - STUDY AID




CAA - Certified Anesthesiologist Assistant




Q: FRC definition. CORRECT ANSWER Volume at end of normal
expiration.
Q: Closing capacity vs FRC in elderly. CORRECT ANSWER Closing
capacity exceeds FRC.
Q: Right mainstem bronchus angle. CORRECT ANSWER 25 degrees
(wider, more vertical).
Q: Left mainstem bronchus angle. CORRECT ANSWER 45 degrees.
Q: Epiglottis innervation. CORRECT ANSWER Glossopharyngeal nerve
(CN IX).
Q: Vocal cords innervation. CORRECT ANSWER Recurrent laryngeal
nerve (branch of CN X).
Q: Superior laryngeal nerve function. CORRECT ANSWER Sensation
above cords, motor to cricothyroid.
Q: Lung parasympathetic innervation. CORRECT ANSWER Vagus nerve
(bronchoconstriction).
Q: Lung sympathetic innervation. CORRECT ANSWER T1-T4
(bronchodilation).
Q: Diaphragm innervation (phrenic). CORRECT ANSWER C3, C4, C5.
Q: Normal V/Q ratio. CORRECT ANSWER 0.8.

,Q: Hypoxic pulmonary vasoconstriction. CORRECT ANSWER Diverts
blood from low O2 alveoli.
Q: O2-Hb curve shift right causes. CORRECT ANSWER Increased temp,
decreased pH, increased 2,3-DPG.
Q: O2-Hb curve shift left causes. CORRECT ANSWER Decreased temp,
increased pH, decreased 2,3-DPG.
Q: Bohr effect definition. CORRECT ANSWER CO2 and H+ decrease Hb
affinity for O2.
Q: Haldane effect definition. CORRECT ANSWER Oxygenated Hb binds
less CO2.
Q: Fick principle equation. CORRECT ANSWER VO2 = CO x (CaO2 -
CvO2).
Q: Starling's law of the heart. CORRECT ANSWER Stroke volume
increases with preload.
Q: Baroreceptor response to hypotension. CORRECT ANSWER
Decreased firing, increased sympathetic tone.
Q: Peripheral chemoreceptor response to hypoxia. CORRECT ANSWER
Increased ventilation.
Q: Central chemoreceptor response to hypoxia. CORRECT ANSWER
Depression of ventilation.
Q: MAC definition. CORRECT ANSWER Alveolar concentration
preventing movement in 50% of patients.
Q: MAC effect of increasing age. CORRECT ANSWER Decreases MAC.
Q: Blood-brain barrier characteristic. CORRECT ANSWER Lipid-soluble
drugs cross easily.
Q: Hepatic blood flow sources. CORRECT ANSWER 25% hepatic artery,
75% portal vein.
Q: Renal blood flow percentage. CORRECT ANSWER ~20-25% of
cardiac output.
Q: Normal GFR. CORRECT ANSWER ~125 mL/min.
Q: Renal autoregulation MAP range. CORRECT ANSWER 80-180 mmHg.

, Q: Normal Cerebral Blood Flow (CBF). CORRECT ANSWER 50
mL/100g/min.
Q: Normal CMRO2. CORRECT ANSWER 3.5 mL O2/100g/min.
Q: CBF response to PaCO2. CORRECT ANSWER Changes 1-2% per
mmHg change.
Q: CBF response to PaO2 < 60. CORRECT ANSWER Marked
vasodilation.
Q: Cushing's Triad. CORRECT ANSWER Hypertension, bradycardia,
irregular respirations.
Q: Cerebral autoregulation MAP range. CORRECT ANSWER 60-140
mmHg.
Q: SA node blood supply. CORRECT ANSWER RCA (60%) or LCX (40%).
Q: AV node blood supply. CORRECT ANSWER Right coronary artery
(90%).
Q: Coronary dominance definition. CORRECT ANSWER Artery supplying
the PDA and posterior LV.
Q: Most common coronary dominance. CORRECT ANSWER Right
dominant (85%).
Q: Parathyroid hormone effect. CORRECT ANSWER Increases serum
calcium, decreases phosphate.
Q: Thyroid hormone effect on BMR. CORRECT ANSWER Increases basal
metabolic rate.
Q: Insulin secretion stimulus. CORRECT ANSWER Increased blood
glucose.
Q: Glucagon secretion stimulus. CORRECT ANSWER Decreased blood
glucose.
Q: Cortisol effect. CORRECT ANSWER Gluconeogenesis, anti-
inflammatory.
Q: Aldosterone effect. CORRECT ANSWER Sodium retention, potassium
excretion.