Anatomy And Physiology Trivia

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A&pstudy
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Quizzes Created: 2 | Total Attempts: 168,838
Questions: 11 | Viewed: 163,986

1.

How is oxygen used by living organisms?

Answer: It is used to release energy that is stored in food.
Explanation:
Oxygen is used by living organisms to release energy that is stored in food through a process called cellular respiration. During cellular respiration, oxygen combines with glucose (a sugar molecule) to produce carbon dioxide, water, and ATP (adenosine triphosphate), which is the energy currency of cells. This process occurs in the mitochondria of cells and is essential for the survival and functioning of living organisms.
2.

Where does the thoracic cavity lies in relationship to the abdominopelvic cavity?

Answer: Superior
Explanation:
The thoracic cavity lies superior to the abdominopelvic cavity. This means that it is positioned above the abdominopelvic cavity. The thoracic cavity contains organs such as the heart and lungs, while the abdominopelvic cavity contains organs such as the stomach, liver, and intestines.
3.

When the body is placed in the anatomical position, which of the following is not true?

Answer: The palms are facing backward.
Explanation:
When the body is in the anatomical position, the palms are actually facing forward or anteriorly, not backward. In the anatomical position, the arms are at the sides of the body, the face is forward, and the body is erect.
4.

The elbow is distal to the wrist. True or False?

Answer: False
Explanation:
The elbow is not distal to the wrist; it is proximal to the wrist. "Distal" refers to a position farther away from the point of attachment or reference, while "proximal" refers to a position closer to the point of attachment or reference. Since the elbow is closer to the body's midline compared to the wrist, it is considered proximal.
5.

Lipids are synthesized in:

Answer: The smooth endoplasmic reticulum
Explanation:
Lipids are synthesized in the smooth endoplasmic reticulum. This organelle is responsible for the synthesis of lipids, including phospholipids and cholesterol. The smooth endoplasmic reticulum lacks ribosomes, which are present in the rough endoplasmic reticulum. The Golgi apparatus is involved in modifying and packaging lipids, but not in their synthesis. While the liver plays a role in lipid metabolism, the actual synthesis of lipids occurs in the smooth endoplasmic reticulum.
6.

An ATP molecule consists of adenine, a ribose, and 3 phosphates. True or False?

Answer: True
Explanation:
An ATP molecule consists of adenine, a ribose sugar, and three phosphate groups. Adenine is a nitrogenous base, ribose is a five-carbon sugar, and the phosphates are high-energy bonds. This structure allows ATP to store and release energy for cellular processes. Therefore, the statement is true.
7.

______ is not part of one of the 4 basic body tissues.

Answer: Brain tissue
Explanation:
Brain tissue is not one of the four basic body tissues. The four basic body tissues are epithelial tissue, connective tissue, muscle tissue, and nervous tissue. Nervous tissue includes the brain, spinal cord, and nerves, but "brain tissue" specifically refers to the tissue found in the brain, which is part of the nervous system. Therefore, brain tissue is not considered one of the four basic body tissues.
8.

A basement membrane occurs between:

Answer: Epithelial and connective tissue
Explanation:
A basement membrane occurs between epithelial and connective tissue. This membrane is a thin, specialized extracellular matrix that provides structural support and acts as a barrier between these two types of tissues. It helps to anchor the epithelial cells to the underlying connective tissue and also regulates the exchange of molecules and nutrients between them. The basement membrane plays a crucial role in maintaining the integrity and function of epithelial tissues throughout the body.
9.

Connective tissue fibers are produced by:

Answer: Fibroblasts
Explanation:
Fibroblasts are responsible for producing connective tissue fibers. Macrophages and mast cells are types of immune cells that play a role in the immune response and inflammation, but they do not directly produce connective tissue fibers. Therefore, the correct answer is fibroblasts.
10.

Adipose tissue is a specialized form of:

Answer: Loose connective tissue
Explanation:
Adipose tissue is a specialized form of loose connective tissue because it is composed of adipocytes, which are cells that store fat. Loose connective tissue is characterized by a loose arrangement of cells and fibers, allowing for flexibility and support. Adipose tissue is found throughout the body and serves as a source of energy storage, insulation, and cushioning for organs. It is not fibrous connective tissue, elastic connective tissue, or reticular connective tissue, as those have different structural and functional properties.
11.

Shafts of hair are composed of:

Answer: Dead epidermal cells
Explanation:
Hair shafts are composed of dead epidermal cells. The hair shaft is the visible part of the hair that extends above the surface of the skin. It is formed by the hair follicle, which is located in the dermis layer of the skin. As the hair grows, the cells in the hair follicle push upwards and harden, eventually becoming keratinized and forming the hair shaft. These cells lose their nucleus and other organelles, making them dead cells. Therefore, the correct answer is dead epidermal cells.
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