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WorksheetsCardio Week 2
Total questions: 16
Worksheet time: 8mins
When a person moves from a supine position to a standing position, which of the following compensatory changes occurs?
Decreased heart rate
Increased contractility
Decreased total peripheral resistance (TPR)
Increased PR interval
A 66 year-old man, who has had a sympathectomy, experience a greater than normal fall in arterial pressure upon standing up. The explaination for this occurrence is
An exaggerated response of the renin-angiotensin-aldosterone system
A suppressed response of the renin-angiotensin-aldosterone system
An exaggerated response of the baroreceptor mechanism
A suppressed response of the baroreceptor mechanism
An acute decrease in arterial blood pressure elicits which of the following compensatory changes?
Decreased mean systemic filling pressure
Decreased heart rate
Decreased firing rate of the carotid sinus
Decreased contractility
A 72-year-old woman, who is being treated with propanolol, finds that she cannot maintain her previous exercise routine. Her physician explains that the drug has reduced her cardiac output. Blockade of which receptor is responsible for the decrease in cardiac output?
Ɑ1 receptors
Β1 receptors
Β2 receptors
Muscarinic receptors
Which of the following statements regarding calcium channel blockers is FALSE?
They can be used in the treatment of heart failure
They increase the risk of gastrointestinal bleeding
They are associated with an increased risk of cardiac events
They can be used to treat migrain
Which of the following diuretics act on the Na-Cl cotransport in the distal convoluted tubule?
Spironolactone
Hydrochlorothiazide
Fusemide
Acetozolamide
Spironolactone mainly acts at which of the following anatomical locations?
Ascending loop of Henle
Distal convoluted tubule
Proximal convoluted tubule
Descending loop of Henle
What effect would you expect ACE inhibitor therapy to have on renal measurements?
Increased renal plasma flow, increased filtration fraction, increased GFR
Increased renal plasma flow, decreased filtration fraction, decreased GFR
Decreased renal plasma flow, decreased filtration fraction, increased GFR
Decreased renal plasma flow, increased filtration fraction, decreased GFR
A 32-year-old woman with hypertension wishes to become pregnant. Her physician informs her that she will have to switch to another antihypertensive drug. Which of the following drugs is absolutely contraindicated in pregnancy?
Atenolol
Captopril
Methyldopa
Prazosin
Which one of the following is characteristic of captopril treatment in patients with essential hypertension?
Competitively blocks angiotensin II at its receptors
Decreases angiotensin II concentration in the blood
Decreases renin concentration in the blood
Decreases sodium and increases potassium in the urine
A significant number of patients started on ACE inhibitor therapy for hypertension are intolerant and must be switched to a different class of drug. What is the most common maifestation of this intolerance?
Diarrhea
Glaucoma
Incessant cough
Vomiting
Comparison of Prazosin with Atenolol shows that
Both decrease heart rate
Both increase cardiac output
Both increase renin secretion
Both increase sympathetic outflow from the CNS
Which of the following is not the feature of cardiogenic pulmonary edema?
Raised JVP
Vigorous strong pulse
S3 gallop rhythm
Cold extremities
Which one is the radiological feature in stage 1 congestive cardiac failure?
Consolidation
Pleural effusion
Kerley B line
Cardiomegaly
HACOR score is a useful bedside tool to predict NIV failure in patient with hypoxemia respiratory failure. Which one is not the independent predictor of NIV failure?
Heart rate
Blood pressure
GCS
Oxygen level
scariest registrar?
