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APHY 101 IVY TECH EXAM 1 MIDTERM 2025/2026 | BRAND NEW ACTUAL EXAM WITH QS & AS, Exams of Biology

Ivy Tech Community College - BloomingtonBiology

APHY 101 IVY TECH EXAM 1 MIDTERM 2025/2026 | BRAND NEW ACTUAL EXAM WITH 100% VERIFIED QUESTIONS AND CORRECT SOLUTIONS

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2024/2025

Available from 07/12/2025

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APHY 101 IVY TECH EXAM 1 MIDTERM
2025/2026 | BRAND NEW ACTUAL EXAM WITH
100% VERIFIED QUESTIONS AND CORRECT
SOLUTIONS
1. The number of protons in an atom of an element always equals its
atomic weight. - correct answer - False
2. A water solution that contains equal numbers of hydrogen ions and
hydroxide ions is - correct answer - neutral
3. Which of the following substances is an element? - correct answer - Iron
4. Which of the following groups of compounds is hydrophobic? - correct
answer - Lipids
5. The atomic weight of an element whose atoms contain 8 protons, 8
electrons, and 8 neutrons is - correct answer - 16
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Download APHY 101 IVY TECH EXAM 1 MIDTERM 2025/2026 | BRAND NEW ACTUAL EXAM WITH QS & AS and more Exams Biology in PDF only on Docsity!

APHY 101 IVY TECH EXAM 1 MIDTERM

2025 /2026 | BRAND NEW ACTUAL EXAM WITH

100% VERIFIED QUESTIONS AND CORRECT

SOLUTIONS

  1. The number of protons in an atom of an element always equals its atomic weight. - correct answer - False
  2. A water solution that contains equal numbers of hydrogen ions and hydroxide ions is - correct answer - neutral
  3. Which of the following substances is an element? - correct answer - Iron
  4. Which of the following groups of compounds is hydrophobic? - correct answer - Lipids
  5. The atomic weight of an element whose atoms contain 8 protons, 8 electrons, and 8 neutrons is - correct answer - 16
  1. A decomposition reaction can be symbolized by - correct answer - AB → A + B.
  2. The difference in hydrogen ion concentration between solutions with pH 4 and pH 5 is - correct answer - tenfold
  3. Chemistry is important to the study of physiology because - correct answer - all of the above.
  4. Cancer can result if - correct answer - mitosis is too frequent or does not stop.
  5. In phagocytosis - correct answer - a cell membrane engulfs solid particles.
  6. If the concentration of glucose in the water outside of a cell is higher than the concentration inside, - correct answer - water will leave the cell by osmosis.
  7. Cilia and flagella extend from certain cells, enabling them to move. - correct answer - True
  1. Stages of the cell cycle unfold in the following order: - correct answer
    • interphase, mitosis, cytoplasmic division, differentiation
  2. A protein that spans the cell membrane is termed a(n) - correct answer - integral protein.
  3. Microfilaments and microtubules are part of the cytoskeleton. - correct answer - True
  4. Which of the following does not influence the rate of diffusion? - correct answer - The amount of energy available for transport molecules
  5. Cells lose water when placed in a solution. - correct answer - hypertonic
  6. Signs of aging at the cellular level are: - correct answer - impaired cell division and the ability to break down and recycle worn cell parts.
  7. The elbow is distal to the wrist. - correct answer - False
  8. The ears are lateral to the eyes. - correct answer - True
  1. Which of the following lists best illustrates the idea of increasing levels of complexity? - correct answer - Organelles, cells, tissues, organs, organ systems
  2. A decomposition reaction can be symbolized by - correct answer - AB → A + B.
  3. A parietal layer of a serous membrane , whereas a visceral layer of a serous membrane. - correct answer - lines cavities; covers organs
  4. The three major parts of a cell are - correct answer - the nucleus, cytoplasm, and cell membrane.
  5. Smooth endoplasmic reticulum has ribosomes and rough endoplasmic reticulum does not. - correct answer - False
  6. In negative feedback mechanisms changes away from the normal state - correct answer - stimulate changes in the opposite direction.
  1. Lipids - correct answer - All of the above
  2. An electrolyte ionizes in water. - correct answer - True
  3. Which of the following groups of compounds is hydrophobic? - correct answer - Carbohydrates
  4. Which of the following substances is an element? - correct answer - Iron
  5. Which of the following groups of elements account for more than 95% of the human body by weight? - correct answer - Carbon, hydrogen, oxygen, nitrogen
  6. The anatomical term that indicates a structure close to the surface is - correct answer - superficial.
  7. The difference in hydrogen ion concentration between solutions with pH 4 and pH 5 is - correct answer - tenfold
  1. The symbol Na+ represents a sodium atom that has lost an electron.
    • correct answer - True
  2. A water solution that contains equal numbers of hydrogen ions and hydroxide ions is - correct answer - Neutral
  3. What characteristic do simple diffusion and facilitated diffusion share?
    • correct answer - Both move a substance from a region of higher concentration to one of lower concentration without cellular energy.
  4. If the concentration of glucose in the water outside of a cell is higher than the concentration inside, - correct answer - water will leave the cell by osmosis.
  5. Homeostasis is the - correct answer - tendency of the body to maintain a stable internal environment.
  6. Nucleic acids are - correct answer - composed of building blocks called nucleotides.
  1. Cells lose water when placed in a solution. - correct answer - Hypertonic
  2. A selectively permeable membrane - correct answer - allows some substances to pass through and excludes others.
  3. When the body is placed in the anatomical position, which of the following is not true? - correct answer - The palms are facing backward.
  4. Which of the following correctly describes the structural organization of the cell membrane? - correct answer - A bilayer of phospholipid molecules in which protein molecules are embedded and can move
  5. A glucose molecule is broken down into two pyruvic acid molecules in
    • correct answer - Glycolysis
  6. Transcription and translation differ in that - correct answer - transcription produces RNA and translation produces protein.
  7. If one strand of DNA has the sequence TCAGGCTATTCCCG, then the complementary sequence of the other strand is - correct answer - AGTCCGATAAGGGC.
  1. Which of the following is not true regarding RNA? - correct answer - It is double-stranded.
  2. An enzyme is - correct answer - a molecule, usually a protein, that speeds the rate of a biochemical reaction by lowering the activation energy.
  3. Catabolism builds up molecules and anabolism breaks down molecules. - correct answer - False
  4. Codons are part of - correct answer - mRNA
  5. Which of the following is an example of catabolism? - correct answer
    • The breakdown of glucose in the cytoplasm and mitochondria.
  6. The aerobic reactions of cellular respiration occur in the mitochondria.
    • correct answer - True
  7. Which of the following substances increases in abundance during cellular respiration? - correct answer - ATP
  1. Which of the following is not one of the four basic types of body tissues? - correct answer - Eye tissue
  2. The tissue through which gases are exchanged between the blood and the air in the lungs is - correct answer - simple squamous epithelium.
  3. A membrane lines tubes and cavities that open to the outside of the body. - correct answer - Mucous
  4. Muscle cells with more than one nucleus are - correct answer - skeletal muscle cells only.
  5. Epithelial tissue functions in - correct answer - secretion, absorption, and protection.
  6. Extracellular matrix consists of - correct answer - ground substance and protein fibers.
  7. Adipose tissue is a form of - correct answer - connective tissue.
  1. Which of the following characteristics is used to name tissue types? - correct answer - Organization of cells
  2. A skeletal muscle fiber contains many nuclei. - correct answer - True
  3. The type of epithelium that secretes into ducts that open onto surfaces like skin or into body fluids is - correct answer - glandular epithelium.
  4. The type of intercellular junction that forms tubular channels is - correct answer - a gap junction.
  5. Functions of neuroglia include which of the following? - correct answer - They support and bind nervous tissue and provide nutrients and growth factors to neurons by connecting them to blood vessels.
  6. The type of intercellular junction that consists of fused membranes is a(an) - correct answer - tight junction.
  7. A (An) gland does not branch before reaching the glandular cells or secretory part. - correct answer - simple
  1. Milk and ear wax - correct answer - are secreted from modified sweat glands.
  2. Skin cancer is most likely to develop from - correct answer - nonpigmented epithelial cells.
  3. Cutaneous carcinomas are usually caused by regular exposure to - correct answer - ultraviolet light.
  4. Nerve fibers scattered throughout the dermis are associated with - correct answer - muscles, glands, and sensory receptors.
  5. A burn affecting only the epidermis is a - correct answer - superficial partial-thickness burn.
  6. Three physiological factors that affect the color of skin are: volume of blood in dermal vessels, carotene in the subcutaneous layer, and various diseases. - correct answer - True
  7. A nail consists of - correct answer - a nail bed and nail plate.
  1. Which of the following is a normal response to excessive loss of body heat in a cold environment? - correct answer - Dermal blood vessels constrict.
  2. Skin cells play an important role in producing - correct answer - vitamin D.
  3. The arrector pili muscle is attached to - correct answer - a hair follicle.
  4. Reddened skin reflects - correct answer - dilated blood vessels with more blood entering the dermis.
  5. As epidermal cells move up through the strata away from their blood supply, they die and become keratinized. - correct answer - True
  6. Eccrine sweat glands differ from sebaceous glands - correct answer - All of the above
  7. What determines the color of skin? - correct answer - The amount of melanin that melanocytes produce.
  1. Sebaceous glands secrete - correct answer - fat globules that mix with cellular debris, forming sebum.
  2. The layer of the epidermis that includes melanocytes and a single row of columnar cells that undergo mitosis is the - correct answer - stratum basale.
  3. Shafts of hair are composed of - correct answer - dead epidermal cells.
  4. Which of the following happens first after a scab forms? - correct answer - fibroblasts from the wound edge form new collagenous fibers.
  5. In all organisms, the basic unit of structure and function is - correct answer - the cell
  6. The thoracic cavity lies the abdominopelvic cavity. - correct answer - superior to
  7. Signs of aging at the cellular level are - correct answer - impaired cell division and the ability to break down and recycle worn cell parts.
  1. The diaphragm separates the thoracic and the abdominopelvic cavities. - correct answer - True
  2. Which action is the main function of the digestive system? - correct answer - Absorption of nutrients
  3. The oral, nasal, orbital, and middle ear cavities are in the dorsal cavity. - correct answer - False
  4. The digestive system filters wastes from the blood. - correct answer - False
  5. The elbow is distal to the wrist. - correct answer - False
  6. Which of the following characteristics of life and their descriptions are correct? - correct answer - Circulation-the movement of substances in body fluids
  7. The ears are lateral to the eyes. - correct answer - True