A. jejunum
B. Rectum
C. Cecum
D. Achi
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The vermiform appendix is a small, finger-like projection that extends from the cecum, which is the first part of the large intestine.
Therefore, the Correct Answer is C.
The hip is an example of which of the following type of joints?
A. Ball-and-socket
B. Pivot
C. Gliding
D. Hinge
The Correct Answer is A.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.
Which of the following organs removes nitrogenous waste from the body?
A. Large Intestines
B. Liver
C. Kidneys
D. Gall Bladder
The Correct Answer is C.The kidneys are the primary organs involved in the excretion of nitrogenous wastes. Nitrogenous wastes are mostly products of protein metabolism in the liver. One of the common nitrogenous waste products is urea, which is excreted through the kidneys.
Which of the following processes causes most of the carbon dioxide from the blood to move into the alveoli?
A. Passive transport using carrier proteins
B. Conversion to carbon monoxide
C. Active transport using energy
D. Diffusion down a concentration gradient
The Correct Answer is D.Most of the carbon dioxide from the blood moves into the alveoli through the process of diffusion down a concentration gradient. In the lungs, there is a higher concentration of carbon dioxide in the blood compared to the alveoli. Its molecules, therefore, move from an area of higher concentration (blood) to an area of lower concentration (alveoli) until equilibrium is reached. This is a passive process and does not require energy or carrier proteins.
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.
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.
Use the table below to answer the question
|
Object |
Mass |
Time of Fall |
|
A |
5.0g |
2.0 sec |
|
B |
5.0g |
1.0 sec |
|
C |
30.g |
0.5 sec |
|
D |
35.0g |
1.5 sec |
Which of the following conclusions is supported by the data?
A. Object A and B fall at the same rate
B. The time of fall is independent of the mass of the object
C. The greater the mass of an object, the faster it will fall
D. Air resistance is greater for A than for B
The Correct Answer is D.Objects A and B have the same and are subjected to the same gravitational pull. However, object B falls faster than A. This is due to a greater air resistance for A than B.
Which of the following substances is excreted by sweat glands in response to the breakdown of proteins and the formation of ammonia?
A. Sebum
B. Water
C. Lysozymes
D. Urea
The Correct Answer is D.Urea is a nitrogenous waste product that is produced when the liver breaks down proteins and amino acids. It is then excreted from the body via sweat.
Which of the following body systems breaks down proteins into amino acids?
A. Digestive
B. Excretory
C. Circulatory
D. Endocrine
The Correct Answer is A.The digestive system breaks down complex food substances into small and less complex absorbable compounds. Proteins, for instance, are broken down to constituent amino acids through a digestion process that combines mastication and enzymatic breakdown.
Which of the following hormones regulates blood calcium levels?
A. Parathyroid hormone
B. Growth hormone
C. Norepinephrine
D. Melatonin
The Correct Answer is A.The parathyroid hormone (PTH) from the parathyroid glands is important in serum calcium regulation. It increases blood calcium levels by stimulating osteoclasts to break down bone and release calcium into the bloodstream. PTH also enhances the absorption of calcium from the intestines and the kidneys.
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.