Practice Questions

TLS Online TPP Program

#Question id: 11142

A researcher uses the chemical inhibitor cyanide to reduce ATP production in a neuron. What would be one effect of preventing ATP production?

#Unit 7. System Physiology – Animal

The sodium and potassium channels would all be closed.
The membrane would become more permeable to sodium.
Disruption to the normal "resting" distribution of potassium and sodium ions.
A physical breakdown of the plasma membrane would occur.

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TLS Online TPP Program

#Question id: 11015

#Unit 7. System Physiology – Animal

A 65-year-old man had an EKG recorded at a local emergency room following a biking accident. His weight was 80 kg and his aortic blood pressure was 160/90 mm Hg. The QRS voltage was 0.5 mV in lead I and 1.5 mV in lead III. What is the QRS voltage in lead II

TLS Online TPP Program

#Question id: 23289

#Unit 8. Inheritance Biology

Preparation and staining techniques help to distinguish among chromosomes of similar size and shape, this staining techniques also distinguish the banding pattern of the chromosome at which stage of cell cycle?

TLS Online TPP Program

#Question id: 3005

#Unit 2. Cellular Organization

Which of the following statement are incorrect?

TLS Online TPP Program

#Question id: 17263

#Unit 7. System Physiology – Animal

Heart Rate and blood pressure decrease during this stage