The hip is an example of which of the following type of joints?
A. Ball-and-socket
B. Pivot
C. Gliding
D. Hinge
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The hip joint is an example of a ball-and-socket joint. The hip joint is formed by the articulation of the head of the femur with the acetabulum of the pelvis. The rounded head of the femur (ball) fits into the cup-shaped acetabulum (socket), allowing for a wide range of motion in multiple planes.
Therefore, the Correct Answer is A.
More Questions on TEAS 7 Science Exam 5
Question 1:
Which of the following would result in an increase in the chemical reaction?
A. Adding more of the product
B. Decreasing the concentration of the reactant
C. Sealing the reaction in an airtight container
D. Using a mortar and pestle to grind a solid reactant to a powder
The Correct Answer is D.Crushing a solid reactant into powder increases the surface area of the reactant, thereby increasing chemical reaction. This is because more of the reacting molecules or ions are exposed to the other reactant, which increases the chance of particles colliding and leads to more successful collisions per second.
Question 2:
Which of the following types of cells stimulates other immune cells to attack and destroy foreign agents?
A. Cytotoxic T-cells
B. Plasma cells
C. Natural killer cells
D. Helper T-Cells
The Correct Answer is D.Helper T cells are important cells that stimulate the action of other immune cells. For instance, they not only help activate B cells to secrete antibodies and macrophages to destroy ingested microbes, but they also help activate cytotoxic T cells to kill infected target cells.
Question 3:
Which of the following is an example of a biological macromolecule?
A. Nucleic acid, Protein
B. Monosaccharide
C. Amino and
D. Protein
The Correct Answer is A.Biological macromolecules are large organic molecules such as carbohydrates, lipids, nucleic acids, and proteins. They are built from smaller molecules, which are linked commonly by covalent bonds, and these can be broken down.
Question 4:
Escherichia cell is plated on nutrient agar plates that each contain a different type of antibiotic. The shaded area represents growth of the bacteria. Which of the following plates contains bacteria that were most resistant to the antibiotic
A. A
B. B
C. C
D. D
The Correct Answer is C.This is the plate with the most growth despite the presence of antibiotic cover.
Question 5:
Experiments cannot validate hypotheses, only falsify them
The statement above can be restated in which of the following ways?
A. Until disproved, an exploration for an observation is valid
B. A hypothesis that has not been falsified remains provisional
C. Certain concepts cannot be subjected to direct experimentation
D. Proving a hypothesis exempt from further testing
The Correct Answer is B.This means that a hypothesis is considered valid until it is disproved by experimental evidence. However, even if a hypothesis has not been falsified, it is still considered provisional and subject to further testing and scrutiny.
Question 6:
Which of the following characteristics of water helps explain why coastal areas experience less dramatic temperature changes during the day?
A. Water has a high specific heat capacity
B. Water is a versatile solvent
C. Water forms covalent bonds with other water molecules
D. Water's adhesive properties prevent evaporation
The Correct Answer is A.Water has a high specific heat capacity, which means it can absorb and store a large amount of heat energy without significantly changing in temperature. This helps moderate the temperature fluctuations of the air near the coast, as water can store heat during the day and release it at night, or vice versa.
Question 7:
Which of the following is the term given to the sequence of nucleotides that contains the information to make a specific protein molecule?
A. Locus
B. Promoter
C. Operator
D. Gene
The Correct Answer is D.A gene is a segment of DNA that codes for a specific protein or polypeptide.
Question 8:
A study found two processes. Process A and Process B, are to be correlated.
Which of the following is true for these processes?
A. The study indicates that Process A causes Process B
B. The study cannot indicate whether Process A and B have a negative relationship
C. The study does not indicate a causal relationship between the processes.
D. The study cannot indicate whether Process A and B have a positive relationship
The Correct Answer is C.Correlation does not imply causation. Even if two processes are found to be correlated, it does not necessarily mean that one causes the other. It could be that they are both influenced by a third factor, or the correlation could be coincidental. Therefore, the study does not indicate a causal relationship between the processes.
Question 9:
Which of the following contains a human's hereditary information?
A. chromatin
B. Histones
C. ATP
D. Plasmids
The Correct Answer is A.Rationale
Chromatin refers to a complex of DNA and proteins in human cells. This material is packaged by histones to make up the chromosomes. The chromosomes then contain genetic information that is heritable.
Question 10:
An experienced mountaineer decides to climb Mount Everest, taking the same route in the same season and with similar materials and equipment used in a fatal 1924 expedition Which of the following is the scientific purpose of such a climb?
A. To measure the oxygen levels at high elevation
B. To assess why the earlier expedition failed
C. To show that modem technology makes climbing safer
D. To identify routes that can be explored in future climbs
The Correct Answer is B.The experienced mountain climber is replicating the conditions of the past expedition to understand why that earlier attempt was unsuccessful.