Practice Questions

TLS Online TPP Program

#Question id: 11394

Foods can be preserved in many ways by slowing or preventing bacterial growth. Which of these methods would not generally inhibit bacterial growth?

#Unit 9. Diversity of Life Forms

Refrigeration: Slows bacterial metabolism and growth.
Closing previously opened containers: Prevents more bacteria from entering, and excludes O2.
Pickling: Creates a pH at which most bacterial enzymes cannot function.
Canning in heavy sugar syrup: Creates osmotic conditions that remove water from most bacterial cells.

More Questions

#Question id: 11046

#Unit 7. System Physiology – Animal

Which of the following has the fastest rate of movement across the capillary wall?

#Question id: 30049

#Unit 7. System Physiology – Animal

Myocardial fibers are separated by membranes, but depolarization spreads radially (syncytium) because of the presence of:

#Question id: 30050

#Unit 7. System Physiology – Animal

In the human heart, the SA node is located at the junction of the superior vena cava with the:

#Question id: 30051

#Unit 7. System Physiology – Animal

Which of the following normally has a slowly depolarizing “prepotential”?

#Question id: 30052

#Unit 7. System Physiology – Animal

Which of the following channels opening contribute to the repolarization of the ventricular muscle fibers?

#Question id: 30053

#Unit 7. System Physiology – Animal

The second heart sound is produced by: