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Year 1 MBChB Physiology crash course

Authored by Finn Marron Watson

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University

60 Questions

Used 3+ times

Year 1 MBChB Physiology crash course
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name given to invaginations of the sarcolemma that coordinate muscle contractions in the heart?

Plasma membrane

T-Tubules

Sarcoplasmic reticulum

Striations

Gap junctions

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do cholinergic receptors do when active?

Vasodilation

Bronchodiliation

Increase heart rate

Decrease heart rate

Increase force of contraction

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is roughly the heart rate when controlled by the AV Node?

10-50

20-40

40-60

50-80

60-100

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens during the QT interval of an ECG?

Ventricular depolarization

Atrial depolarization

Electrical activity of the ventricles

Delay by the AV node

Atrial repolarization

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

"The total pressure exerted by a mixture of non-reacting gases is equal to the sum of each partial pressures of each individual gas"

Is which law?

Henry's law

Dalton's law

Boyle's law

Bohr effect

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

An increase in the temperature in the blood would cause what effects?

Right shift on the oxygen dissociation curve

Left shift on the oxygen dissociation curve

Hb higher affinity for oxygen

Hb lower affinity for oxygen

Less unloading of oxygen at tissues

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where are the peripheral chemoreceptors found?

Lungs

Carotid sinuses

Aortic Arch

Brainstem

Left atrium

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