Cardio Exam

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Author:
elvinlouie
ID:
267503
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Cardio Exam
Updated:
2014-03-22 20:54:07
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Cardio
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Description:
Cardio Exam 2nd Year
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  1. The following are more specific clinical features of Cushing syndrome, EXCEPT:
    A. Increased skin fragility
    B. Proximal myopathy
    C. Purplish skin striae
    D. Hirsutism
    D.
    (this multiple choice question has been scrambled)
  2. What accounts for the large majority of patients with renal vascular hypertension as the common cause?
    A. Fibromuscular dysplasia
    B. Atherosclerosis
    C. Diabetes mellitus
    D. Glomerulonephritis
    B.
    (this multiple choice question has been scrambled)
  3. Which of the following is NOT TRUE about fibromuscular dysplasia?
    A. The disease tends to affect more distal portions of the renal artery
    B. The lesions of fibromuscular dysplasia are frequently unilateral
    C. Can occur at any age with a higher prevalence in females
    D. The most common variant is medial fibroplasia
    B.
    (this multiple choice question has been scrambled)
  4. What is the gold standard in the evaluation and identification of renal artery lesions?
    A. Ultrasound of the renal arteries
    B. Gadolinium contrast magnetic resonance angiography
    C. CT scan of whole abdomen
    D. Contrast arteriography
    D.
    (this multiple choice question has been scrambled)
  5. The following are consequences of primary aldosteronism, EXCEPT:
    A. Glucose intolerance
    B. Hyperkalemia
    C. Refractory hypertension
    D. Sodium retention
    B.
    (this multiple choice question has been scrambled)
  6. A confirmatory test in the diagnosis of primary aldosteronism in a patient with an elevated PA/PRA ratio is:
    A. Suppresion of plasma aldosterone to <277 umol/L after IV infusion of 2L isotonic saline over 4 hours
    B. Failure to suppress plasma aldosterone to <277 umol/L after IV infusion of 2L isotonic saline over 4 hours
    C. Postsaline infusion plasma aldosterone of 138-277 umol/L
    D. None of the above
    B.
    (this multiple choice question has been scrambled)
  7. Which of the following is not true about pheochromocytoma?
    A. Hypertension is primarily related to the increase in the catecholamines
    B. Surgical excision is only a supportive treatment with a low cure rate
    C. Epinephrine-secreting tumors may present with hypotension
    D. It is a catcholamine-secreting tumor in the adrenal medulla
    B.
    (this multiple choice question has been scrambled)
  8. The following are correct placement of ECG leads, EXCEPT:
    A. The positive terminal of lead I in the left arm
    B. The negative terminal of lead II in the right arm
    C. The positive pole of aVF in the right foot
    D. V6 is placed on the left intercostal space mid-axillary line
    C.
    (this multiple choice question has been scrambled)
  9. The QRS complex in the ECG represents:
    ventricular depolarization
  10. In a normal ECG, the QRS complex are mostly upright in the limb leads except for:
    aVR
  11. Left ventricular hypertrophy is a common ECG finding in patients with longstanding hypertension. The Sokolow-Lyon voltage criteria for LVH is:
    S in V1 + R wave in V5 or V6 > 35mm
  12. The following is/are true about determining the heart rate in an electrocardiogram, EXCEPT:
    A. 1500 divided by the number of small squares
    B. 300 divided by the number of big squares
    C. The number of QRS complexes in a 6-second strip multiplied by 20
    D. None of the above
    C.
    (this multiple choice question has been scrambled)
  13. The bulk of norepeniphrine is stored in membrane-bound vesicles. A drug is administered that gradually depletes this supply of norepinephrine and decreases the response to sympathetic nerve stimulation.
    A. Amphetamine
    B. Tyramine
    C. Reserpine
    D. Clonidine
    C.
    (this multiple choice question has been scrambled)
  14. A 20-year-old drug addict self-administers coccaine and experiences a variety of significant cardiovascular function changes in addition to the CNS-stimulating effects of coccaine. Which of the following is the most likely mechanism by which this drug causes these peripheral CNS effects?
    A. Direct activation of alpha and beta adrenergic receptors leading to sympathetic responses
    B. Inhibition of MAO resulting into increased levels of intraneuronal norephinephrine
    C. Increased norepinephrine release by activation of alpha 2 adrenergic receptors
    D. Blockage of norepinephrine via the amine pump
    D.
    (this multiple choice question has been scrambled)
  15. Carina is brought to CVGH ER because of anaphylactic reaction following a bee sting. She is immediately given epinephrine which has the following properties, EXCEPT:
    A. IM injection is preferred over subcutaneous injection
    B. 0.3 - 0.5 mL of 1:1000 solution is recommended
    C. It activates alpha1, beta1 and beta2 receptors
    D. It can increase systolic and diastolic blood pressure
    D.
    (this multiple choice question has been scrambled)
  16. Dobutamine is given to a 70-year-old man with low cardiac output to improve left ventricular contractile force by reducing heart rate and stroke volume. These pharmacological effects of the drug is due to:
    A. Mixed alpha and beta adrenergic agonist activity
    B. Direct interactions with beta 1 and beta 2 receptors
    C. Stimulation of alpha 1 adrenergic receptors
    D. Selective stimulation of beta 1 receptors
    A.
    (this multiple choice question has been scrambled)
  17. Dopamine is ineffective when given orally because:
    A. All are correct
    B. It has a very short duration of action
    C. It is poorly absorbed in the GIT
    D. It is a substrate for both MAO and COMT
    D.
    (this multiple choice question has been scrambled)
  18. A patient was accidentally given a dose of phenoxybenzamine by a ward nurse. BP was noted to be persistently falling right after injection. Administration of epinephrine can produce which of the following effects?
    A. Decrease the present BP
    B. Decrease inotropic effects of the heart
    C. Increase vasoconstriction of arteries and veins
    D. Elevate the blood pressure
    A.
    (this multiple choice question has been scrambled)
  19. Leonn is 56-years-old and complains of weak stream urinary frequency and nocturia. History and PE reveal that he is hypertensive and has benign prostatic hyperplasia. Which of the following drugs is most helpful for Leonn?
    A. Doxazocin
    B. Fenasteride
    C. Tamsulosin
    D. Metoprolol
    A.
    (this multiple choice question has been scrambled)
  20. A re-elected municipal mayor who is hypertensive and a known asthmatic since childhood is noted to be dyspneic and tachypneic before his innaugural speech. Upon history taking, he told the intern that he took a medicine to calm him down 1 hour prior to the incident. What medicine could he have taken?
    A. Metoprolol
    B. Folmoterol
    C. Diazepam
    D. Isoproterenol
    A.
    (this multiple choice question has been scrambled)
  21. Which of the following binds irreversibly to alpha adrenegic receptors?
    A. Phenoxybenzamine
    B. Tetralamine
    C. Endoramine
    D. Prazocin
    A.
    (this multiple choice question has been scrambled)
  22. Fainelyn has mild hypertension and is given an antihypertensive medication. Two months later, she came back complaining of getting easily tired and not being able to run her usual dialy 10K run. Which of the following drugs is she mostly been taking for hypertension?
    A. Phentolamine
    B. Ephedrine
    C. Metoprolol
    D. Prazocin
    C.
    (this multiple choice question has been scrambled)

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