IMMS Flashcards

1
Q

What is the enzyme that coverts Glucose-6-Phosphate to Fructose-6-Phosphate?

A

Phosphoglucose Isomerase

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2
Q

What is the difference between desmosomes and hemidesmosomes?

A

Desmosomes link 2 cells together whereas hemidesmosomes link 1 cell to the extracellular matrix

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3
Q

Which disaccharide is starch broken down into?

A

maltose

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4
Q

Which enzyme splits DNA strands apart?

A

Helicase

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5
Q

Cell division with no nuclear membrane. Chromosomes lined up at equatorial region. Which stage of mitosis is this?

A

Metaphase

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6
Q

When does cell become haploid?

A

Meiosis I

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7
Q

What is Edwards syndrome? (47XY + 18)

A

Trisomy

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8
Q

Chromatids aligned in equatorial plane w/ no nuclear membrane. What stage is this?

A

Metaphase

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9
Q

What are cell types that ingest large particles?

A

Macrophages

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10
Q

Which statement about OH radical is true?

  • Requires one proton and an electron to form a water molecule
  • Catalysed by myeloperoxidase
  • Is water soluble
  • Is least potent radical
A

Requires one proton and an electron to form a water molecule

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11
Q

Which statement about ATP is true?

  • Has 5 high energy bonds
  • Synthesised in cytosol in glycolysis
  • Readily phosphorylated to ADP
  • Produced in anaerobic step of glycolysis
A

Produced in anaerobic step of glycolysis

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12
Q

Which of these statements regarding Basal Metabolic Rate is true?

  • Declines w/ decrease in temperature
  • Increases w/ age
  • Proportional increase w/ increase in BMI
  • BMR is when you carry out activities of daily living (ADLs)
  • BMR is higher in women than men
A

Declines w/ decrease in temperature

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13
Q

Where does the right ventricle originate from?

  • Bulbus cordis
  • Cordal cordis
  • Cardiogenic plate
  • Endocardial tubes
  • Truncus arteriosus
A

Bulbus cordis

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14
Q

Where does the aortic root originate from?

  • Bulbus cordis
  • Endocardial tubes
  • Heart tube
  • Truncus arteriosus
A

Truncus arteriosus

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15
Q

Where does the pulmonary trunk originate from?

  • Endocardial cushions
  • Truncus arteriosus
A

Truncus arteriosus

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16
Q

Which part of ECG shows atrial to ventricular conduction?

A

PR interval

17
Q

Which part of ECG shows onset of ventricular systole?

A

QRS complex

18
Q

Which part of the ECG represents ventricular repolarisation?

A

T wave

19
Q

Man is normotensive. Upon stimulation of arterial baroreceptors in aortic arch and carotid body what is the effect?

  • Increase BP
  • Reduce sympathetic stimulation
  • Reduces sympathetic stimulation in arterioles
  • Increases sympathetic stimulation to the heart
  • Reduces parasympathetic stimulation to the heart
A

Reduces sympathetic stimulation in arterioles