Which section of the digestive system is responsible for receiving chyme and further digesting it?
A. The large intestine
B. The duodenum
C. The jejunum
D. The gallbladder
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The duodenum is the first section of the small intestine. It receives partially digested food (also called chyme) from the stomach, further digesting it with the help of enzymes released by the gall bladder. Then, the food enters into the jejunum, then the ileum. The large Intestine's main function is the reabsorption of water into the body to form solid waste. It also allows for the absorption of vitamin K produced by microbes living inside the large intestine.
Therefore, the Correct Answer is B.
More Questions on TEAS 7 Science Practice Test 1
Question 1:
Where is the scapula in relation to the olecranon?
A. Distal
B. Lateral
C. Ventral
D. Superior
The Correct Answer is D.The scapula, commonly known as the shoulder blade, is above the olecranon, commonly known as the elbow. Conversely, the olecranon is distal or inferior to the scapula.
Question 2:
Identify the location where neurotransmitters are stored immediately prior to use.
A. Area A
B. Area B
C. Area C
D. Area D
The Correct Answer is B.Area B is a synaptic vesicle where the neurotransmitters are stored just before use.
Question 3:
Which of the following is true regarding adipocytes?
A. They are involved in the secretion of glucose.
B. They are responsible for storing the fat that is found in adipose tissue
C. They are critical in the digestive breakdown of fat
D. They are the foundational element of muscles
The Correct Answer is B.Adipocytes are primarily seen in adipose or fat tissue. Their primary function is the storage of fat Adipocytes play a crucial role in maintaining proper energy balance, storing calories in the form of lipids, and mobilizing energy sources in response to stress. They are not involved in the digestion of fat or the secretion of glucose, nor are they the foundational element of muscles
Question 4:
What is the name for the physical presentation of an organism's genes?
A. Phenotype
B. Species
C. Phylum
D. Genotype
The Correct Answer is A.Phenotype is the physical presentation of an organism's genes. In other words, the phenotype is the physical characteristics of the organism. Phenotype is often contrasted with genotype, the genetic makeup of an organism. The genotype of the organism is not visible in its presentation, although some of the characteristics encoded in the genes have to do with physical presentation. A phylum is a group of classes that are closely related. A species is a group of like organisms that are capable of breeding together and producing similar offspring.
Question 5:
Which of the following conclusions is supported by the data from this survey?
A. Dally screen usage in the United States decreases with age
B. Daily screen usage in the United States, increases with age.
C. In the United States, most people use screens more than 3 but less than13 hours a day
D. In the United States, people over 75 generally don't use screens.
The Correct Answer is C.The percentage of respondents that indicated average screen usage between 4-12 hours per day is (628 +650+389) ÷ 2, 307 ≈ 0.723 or 72.3% This is indeed a significant majority of the responses and would be a reasonable conclusion. The highest screen usage is in the middle two groups with both the younger and older groups indicating less screen usage, so the daily usage neither increases nor decreases with age. While the oldest group shows the least usage per day, the survey data indicates that some of the Individuals over 75 do indeed use screens.
Question 6:
Which of the following molecules exhibits ionic bonding?
A. NaCl
B. CO2
C. C6H12O6
D. H2O
The Correct Answer is A.Sodium chloride exhibits lonic bonding due to the attraction between Na+ ions and Cl- ions.
Typically, elements on the opposite sides of the periodic table (a metal and a nonmetal) form ionic bonds. Carbon dioxide, water, and glucose exhibit covalent bonding. Typically, elements on the same side of the periodic table (two or more nonmetals) form covalent bonds.
Question 7:
What is the role of ribosomes?
A. Make proteins
B. Waste removal
C. Transport
D. Storage
The Correct Answer is A.A ribosome is a structure of eukaryotic cells that makes proteins.
Question 8:
Your class is competing with another class to determine who has the best plant color. Your class decides to test a couple of solutions to determine which would be best for overall plant color before competing. Starting with four sets of four plants, the class decides to water each set with a different solution. They water them once a week with 200ml of the following solutions: water, diet soda, 1% bleach solution, and a 1% salt solution. All plants are placed in the window that receives the recommended amount of light. After a month of testing, your class notices that only two plants are alive, but one of those two does not look healthy. Based on these results, which of the following would be a good hypothesis to design the next experiment around?
A. Plants need more than 200 mL of liquid per week.
B. Salt has no impact on plant health.
C. Salt contains useful nutrients for plants.
D. A combination of the solutions tested will produce healthier plants.
The Correct Answer is A.Since only 2 out of the initial 16 plants survived the whole month, it would be reasonable to test variables that were shared by all the plants. As such, the amount of liquid the plants need would be a good follow-up experiment. It is not specified as to which plants survived, so there is not enough information to think that testing the impact of salt is warranted. Additionally, since almost all the plants died, it is not reasonable to assume that a combination of the solutions would have an impact.
Question 9:
Which of the following is a carbohydrate?
A. Cellulose
B. Hemoglobin
C. Estrogen
D. ATP
The Correct Answer is A.Cellulose is a complex carbohydrate that composes the better part of the cell wall.
Hemoglobin is a protein and is found in red blood cells. Adenosine triphosphate (ATP) is a compound used by living organisms to store and use energy. Estrogen is a steroid hormone that stimulates the development of female sex characteristics.
Question 10:
Which of the following statements is FALSE?
A. An organelle is a specialized structure in a cell, such as a ribosome.
B. An organ is made up of similar tissues that perform the same function.
C. Organ systems are two or more organs performing similar functions.
D. A tissue contains a single cell type that works to perform a specific function.
The Correct Answer is D.A tissue contains a variety of cell types that work in conjunction to perform similar functions.
The cells are similar in structure despite being located throughout the body. There are four types of tissues in the human body: connective, epithelial, muscle, and nervous system tissues.