Teas Practice Test 2 Flashcards
In human anatomy, an organ is best described as
A group of tissues that together perform a specific function
Vaccines function through which of the following mechanisms
Vaccine exposure creates dormant B cells for the secondary immune response
After several minutes of strenuous activity, lactic acid can build up in skeletal muscle as a result of
Fermentation
Within the pancreas, the structure responsible for production of insulin is
Islets of langehans
What are the steps immediately before and after an action potential
Depolarization
Threshold
Repolarization
Refractory period
When a person inhales, what is the final structure that oxygen enters before absorption into the bloodstream
Alveolus
The long process of the incus connects the incus to
Stapes
The chorion is best described as
The embryonic portion of the placenta
Triglycerides are a type of lipid best known for their
Energy storage capability
A cell expunges waste products through Exocytosis. This is an example of
Active diffusion
In some flowers, red (f) demonstrates incomplete dominance over white (f). I complete dominant phenotype is pink. In an Ff cross, what percentage of offspring will be pink ?
50%
Which substance can donate a proton or accept an electron pair during a chemical reaction
HCL
Which of the following organ systems plays a direct role in the removal of waste products
Integumentary
2H2O + energy are produced from which of the following reactions
2H2+ O2+energy
A person who lacks a gallbladder would experience difficulty with which of the following
Digesting fat
Exchange between tissues and the cardiovascular circulation takes place in which structure
Capillaries
Different variants of a particular trait, such as different eye colors, are the result of which of the following
Alleles
Which of the following parts of the skeletal system also plays a direct role in digestion
Tooth
There are two containers of equal volume on a table. One container holds gas, and one holds liquid. The containers hold equal volumes of steam or liquid water, but this volume is less than the total volume of the container. Which statement describes the liquid water
It takes the shape of the lower part of the container
Which of the following tools or procedures should a biologist use to amplify a trace amount of DNA
PCR
Which of the following is a component of inflammation
Increased permeability of blood vessels
Which of the following is the organelle in eukaryotic cells responsible for sorting and modifying proteins and lipids, folding polypeptides, and sorting and packaging molecules into vacuoles and vesicles
Golgi apparatus
Researchers tested the time it took for hawks to find a real carcass and a realistic looking model of a carcass. Both the carcass and the model were easily visible from above. Controlling for all other factors, they determine that hawks took about the same amount of time to find the model as they took to find the carcass. From this they concluded that hawks find their prey through their sense of smell. Which statement about their conclusion is most accurate
The conclusion would be correct if hawks took longer to find the model
Which of the following is the main function of the major calyces
Drainage of urine into the ureter