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APHY 101 IVY TECH EXAM 1 MIDTERM ACTUAL
UPDATED EXAM WITH EXPERTLY AND CORRECTLY
ANSWERED QUESTIONS| BRAND NEW| ACE YOUR
2025/2026 GRADES!!!
A cell that can divide to give rise to any cell type is - Correct Answer- totipotent. Cancer can result if - Correct Answer-mitosis is too frequent or does not stop. The oral, nasal, orbital, and middle ear cavities are in the dorsal cavity. - Correct Answer-False Cilia and flagella extend from certain cells, enabling them to move. - Correct Answer-True Cells lose water when placed in a solution. - Correct Answer- Hypertonic A selectively permeable membrane - Correct Answer-allows some substances to pass through and excludes others.
When the body is placed in the anatomical position, which of the following is not true? - Correct Answer-The palms are facing backward. 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 A glucose molecule is broken down into two pyruvic acid molecules in - Correct Answer-Glycolysis Transcription and translation differ in that - Correct Answer-transcription produces RNA and translation produces protein. If one strand of DNA has the sequence TCAGGCTATTCCCG, then the complementary sequence of the other strand is - Correct Answer- AGTCCGATAAGGGC. Which of the following is not true regarding RNA? - Correct Answer-It is double-stranded.
An ATP molecule consists of an adenine, a ribose, and three phosphates. - Correct Answer-True The electron transport chain is a series of enzyme complexes that pass electrons, releasing energy that is used to phosphorylate ADP to ATP on the inner mitochondrial membrane. - Correct Answer-True A cell may contain hundreds of different types of enzymes. - Correct Answer-True ATP is important to cellular processes because it - Correct Answer- provides energy for cellular work when the terminal, high-energy bond is broken. Which choice lists structures in order of increasing size? - Correct Answer- nitrogenous base - nucleotide - gene - chromosome - genome Which of the following is not one of the four basic types of body tissues? - Correct Answer-Eye tissue The tissue through which gases are exchanged between the blood and the air in the lungs is - Correct Answer-simple squamous epithelium.
A membrane lines tubes and cavities that open to the outside of the body. - Correct Answer-Mucous Muscle cells with more than one nucleus are - Correct Answer-skeletal muscle cells only. Epithelial tissue functions in - Correct Answer-secretion, absorption, and protection. Signs of aging at the cellular level are: - Correct Answer-impaired cell division and the ability to break down and recycle worn cell parts. The elbow is distal to the wrist. - Correct Answer-False The ears are lateral to the eyes. - Correct Answer-True Which of the following lists best illustrates the idea of increasing levels of complexity? - Correct Answer-Organelles, cells, tissues, organs, organ systems
Consider the following list of commonly found items and their pH values: Which of the choices includes all acids? - Correct Answer-Vinegar, grapes, tomatoes, and coffee In phagocytosis - Correct Answer-a cell membrane engulfs solid particles. Which of the following transport processes does not require expenditure of cellular energy? - Correct Answer-Facilitated diffusion An organic compound always contains - Correct Answer-carbon and hydrogen. Saturated fats than unsaturated fats. - Correct Answer-have more single carbon-carbon bonds The atoms of the isotopes of a particular element vary in the number of - Correct Answer-Neutrons Lipids - Correct Answer-All of the above
An electrolyte ionizes in water. - Correct Answer-True Which of the following groups of compounds is hydrophobic? - Correct Answer-Carbohydrates Which of the following substances is an element? - Correct Answer-Iron Which of the following groups of elements account for more than 95% of the human body by weight? - Correct Answer-Carbon, hydrogen, oxygen, nitrogen The anatomical term that indicates a structure close to the surface is - Correct Answer-superficial. The difference in hydrogen ion concentration between solutions with pH 4 and pH 5 is - Correct Answer-tenfold The symbol Na+ represents a sodium atom that has lost an electron. - Correct Answer-True
The number of protons in an atom of an element always equals its atomic weight. - Correct Answer-False Extracellular matrix consists of - Correct Answer-ground substance and protein fibers. Adipose tissue is a form of - Correct Answer-connective tissue. Which of the following characteristics is used to name tissue types? - Correct Answer-Organization of cells A skeletal muscle fiber contains many nuclei. - Correct Answer-True The type of epithelium that secretes into ducts that open onto surfaces like skin or into body fluids is - Correct Answer-glandular epithelium. The type of intercellular junction that forms tubular channels is - Correct Answer-a gap junction.
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. The type of intercellular junction that consists of fused membranes is a(an)
- Correct Answer-tight junction. A (An) gland does not branch before reaching the glandular cells or secretory part. - Correct Answer-simple Tissues are groups of cells that have a common overall function, yet are distinctive in their characteristic cell types and the molecules that the cells produce. - Correct Answer-True Areolar tissue contains - Correct Answer-collagenous fibers, elastic fibers, and gel-like ground substance. Bone cells form concentric circles around longitudinal tubes called - Correct Answer-Central canals
A burn affecting only the epidermis is a - Correct Answer-superficial partial- thickness burn. 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 A nail consists of - Correct Answer-a nail bed and nail plate. Which of the following is a normal response to excessive loss of body heat in a cold environment? - Correct Answer-Dermal blood vessels constrict. Skin cells play an important role in producing - Correct Answer-vitamin D. The arrector pili muscle is attached to - Correct Answer-a hair follicle. Reddened skin reflects - Correct Answer-dilated blood vessels with more blood entering the dermis.
As epidermal cells move up through the strata away from their blood supply, they die and become keratinized. - Correct Answer-True Eccrine sweat glands differ from sebaceous glands - Correct Answer-All of the above What determines the color of skin? - Correct Answer-The amount of melanin that melanocytes produce. As a person ages, the skin typically becomes - Correct Answer-spotted with patches of pigment. The functions of skin include - Correct Answer-all of the above. Which person is at highest risk of developing a cutaneous carcinoma? - Correct Answer-a light-complexioned man age 52 who goes to the beach on summer weekends and does not use sunblock because he likes to be tan. Melanin production is greater in the skin of people who live outdoors all the time than in people who do not. - Correct Answer-True
In all organisms, the basic unit of structure and function is - Correct Answer-the cell The thoracic cavity lies the abdominopelvic cavity. - Correct Answer-superior to Signs of aging at the cellular level are - Correct Answer-impaired cell division and the ability to break down and recycle worn cell parts. The diaphragm separates the thoracic and the abdominopelvic cavities. - Correct Answer-True Which action is the main function of the digestive system? - Correct Answer-Absorption of nutrients The oral, nasal, orbital, and middle ear cavities are in the dorsal cavity. - Correct Answer-False The digestive system filters wastes from the blood. - Correct Answer-False
The elbow is distal to the wrist. - Correct Answer-False Which of the following characteristics of life and their descriptions are correct? - Correct Answer-Circulation-the movement of substances in body fluids The ears are lateral to the eyes. - Correct Answer-True In negative feedback mechanisms changes away from the normal state - Correct Answer-stimulate changes in the opposite direction. Homeostasis is the - Correct Answer-tendency of the body to maintain a stable internal environment. An anatomical section that separates the body into right and left portions is a section. - Correct Answer-sagittal Which of the following lists best illustrates the idea of increasing levels of complexity? - Correct Answer-Organelles, cells, tissues, organs, organ systems
Consider the following list of commonly found items and their pH values: Which of the choices includes all acids? - Correct Answer-Vinegar, grapes, tomatoes, and coffee Lipids - Correct Answer-all of the above. Electrolytes are substances that: - Correct Answer-ionize in water. An electrolyte ionizes in water. - Correct Answer-True The number of protons in an atom of an element always equals its atomic weight. - Correct Answer-False A water solution that contains equal numbers of hydrogen ions and hydroxide ions is - Correct Answer-neutral Which of the following substances is an element? - Correct Answer-Iron
Which of the following groups of compounds is hydrophobic? - Correct Answer-Lipids The atomic weight of an element whose atoms contain 8 protons, 8 electrons, and 8 neutrons is - Correct Answer- 16 A decomposition reaction can be symbolized by - Correct Answer-AB → A
- B. The difference in hydrogen ion concentration between solutions with pH 4 and pH 5 is - Correct Answer-tenfold Chemistry is important to the study of physiology because - Correct Answer-all of the above. Cancer can result if - Correct Answer-mitosis is too frequent or does not stop. In phagocytosis - Correct Answer-a cell membrane engulfs solid particles.
