Apex Mock Exam 2 Questions 2026/2027 | Actual Questions and Answers Latest Updated 2026/2027 (Graded A+)

Apex Mock Exam 2 Questions 2026/2027 | Actual Questions
and Answers Latest Updated 2026/2027 (Graded A+)

• Question
Which option initiates hypoxic pulmonary vasoconstriction?

Correct Answer: alveolar hypoxia


• Question
Pulmonary hypertension is defined as PAP of at least?

Correct Answer: 25mmHg and a PAOP of no more than 15mmHg


• Question
When properly placed the distal tip of the LMA sits at the?

Correct Answer: cricopharyngeus muscle (upper esophageal sphincter)


• Question
When properly placed, the ProSeal LMA allows a positive ventilation pressure of?

Correct Answer: 30cm H2O


• Question
In which circumstances is supplemental oxygen LEAST likely to increase arterial
oxygenation?

Correct Answer: Pulmonary edema


• Question
What are (2) examples of instrinsic restrictive lung disease?

Correct Answer: Pulmonary edema Aspiration pneumonia


Acute Intrinsic= caused by fluid moving into the interstitial space of the pulmonary
parenchyma.


• Question
A patient received a citrated non-particulate antacid, but the case has been delayed.
How long after the initial dose should a second dose be considered?

Correct Answer: 60minutes


• Question
Match the Intrinsic Laryngeal Muscle with its action on layrngeal movement?
a)Aryepiglottic b)cricothyroid c)posterior cricoarytenoid d)thyroarytenoid

Correct Answer: a)Aryepiglottic - closes glottic opening

,b)cricothyroid - lengthens vocal cords c)posterior cricoarytenoid - abducts vocal cords
d)thyroarytenoid - adducts vocal cords


• Question
Calculate expected PAO2 when the PaCO2= 80mmHg, FiO2= 28%, and A-a gradient is
35

Correct Answer: I. PAO2 =
II. (FiO2 x (Pb - PH20) - (PaCO2/RQ)
III. 0.28 x(760-47) - (80/0.8)
IV. 200-100 = 100mmHg
V. 100mmHg - 35(A-a gradient) = 65mmHg


• Question
Which (3) axes must be aligned to ensure the best chance for successful laryngoscopy
and intubation?

Correct Answer: I. Oral (OA)
II. Pharyngeal (PA)
III. Laryngeal (LA)


• Question
In a male patient, what is the next step after the tip of the double lumen ETT passes
through the vocal cords?

Correct Answer: Rotate the DLT 90 degrees in the direction of the bronchus to be
intubated


• Question
When used during laparoscopic procedure, an LMA:

Correct Answer: can be used if the procedure is less than 15minutes


• Question
Muscarinic-2 stimulation causes

Correct Answer: Bradycardia M2 receptor slows cardiac conduction


• Question
Dexmedetomidine (2 reactions)

Correct Answer: Can cause HTN(central A2 stimulation causes vasodilation, sedation,
and analgesia. Peripheral stimulation initiates vasoconstriction)

, • Question
reduces adenylate cyclase(stimulation of G protein inhibits adenylate cyclase and
reduces cAMP) Systolic murmur heard over 5th intercostal space and MCL. What type of
valvular disease would one expect?

Correct Answer: Mitral regurgitation


• Question
Identify the vessel that will have reverse blood flow as a result of left subclavian steal
syndrome?


• Question
Choose the BEST (2) NMB for the patient with hypertrophic cardiomyopathy?

Correct Answer: Vecuronium and Rocuronium (NOT pancuronium it increases HR, not
atracurium in releases histamine)


• Question
Match each cardiac pathophysiology with its characteristic pulse waveform?
a) Aortic Stenosis -
b) Aortic Regurgitation -
c) Cardiac Tamponade -
d) Systolic left ventricular failure -

Correct Answer: I. a) Aortic Stenosis - Pulsus parvus
II. b) Aortic Regurgitation - Bisferiens pulse
III. c) Cardiac Tamponade - Pulsus paradoxus
IV. d) Systolic left ventricular failure - Pulsus alternans


• Question
Match the vasodilator with its primary site of action
a) Nitroglycerin:
b) Prazosin:
c) Nitroprusside:

Correct Answer: I. a) Nitroglycerin: venules
II. b) Prazosin: arterioles
III. c) Nitroprusside: arterioles & venules


• Question
What (2) increase after placement of an infra-renal aortic cross clamp?

Correct Answer: I. Mixed venous oxygen
II. saturation
III. Preload