APHY 101 Final Test Questions And Answers Verified 100% Correct

APHY 101 Final Test Questions And Answers Verified 100% Correct Synovial fluid moistens and lubricates the cartilaginous surfaces in a joint. - ANSWER True At what age are nearly all bones completely ossified? - ANSWER 25 years The axial skeleton includes - ANSWER the skull, hyoid bone, thoracic cage, and vertebral column. In a child, a vitamin D deficiency results in ______, whereas a vitamin A deficiency results in ______. - ANSWER rickets; retardation of bone development The acetabulum is - ANSWER a depression in the hip bone that receives the head of the femur. Which of the following movements could occur at the hip joint? - ANSWER All of the above A joint capsule is reinforced by - ANSWER ligaments binding articular ends of bones together . Arrange the following steps of muscle fiber contraction in the correct sequence. 1. The muscle impulse reaches the sarcoplasmic reticulum and calcium is released. 2. Thin filaments are pulled over the thick filaments. 3. Calcium floods the sarcoplasm and binds to troponin molecules leaving active sites. 4. The impulse arrives at the synapse and travels through the transverse tubules. 5. The muscle fiber shortens and contracts. 6. Myosin heads bind to exposed active sites on actin, forming cross-bridges. - ANSWER 4, 1, 3, 6, 2, 5 Most of the joints in the ankle and wrist are - ANSWER plane joints. The amount of oxygen liver cells require to support the conversion of lactic acid to produce glucose or glycogen is the - ANSWER oxygen debt. The soleus is a muscle that forms part of the - ANSWER calf. Endochondral ossification ______, whereas intramembranous ossification ______. - ANSWER replaces hyaline cartilage; replaces undifferentiated connective tissue The increase in the number of motor units activated as a result of more intense stimulation is called - ANSWER recruitment. Which of the following groups of bones, based on shape, is associated with an incorrect example? - ANSWER Flat bones - thigh bones The more movable end of a muscle is its - ANSWER insertion. Which choice lists structures in order of increasing size? - ANSWER nitrogenous base - nucleotide - gene - chromosome - genome A cell that can divide to give rise to any cell type is - ANSWER totipotent. The arrector pili muscle is attached to - ANSWER a hair follicle. ATP is important to cellular processes because it - ANSWER provides energy for cellular work when the terminal, high-energy bond is broken. A glucose molecule is broken down into two pyruvic acid molecules in - ANSWER glycolysis. An electrolyte ionizes in water. - ANSWER True The anatomical term that indicates a structure close to the surface is - ANSWER superficial . A serous membrane consists of a - ANSWER layer of simple squamous epithelium and a thin layer of areolar tissue. Lipids - ANSWER all of the above Homeostasis is the - ANSWER tendency of the body to maintain a stable internal environment. Which of the following organs is in the abdominopelvic cavity? - ANSWER The liver The tissue that forms the outermost layer of the skin is a type of connective tissue. - ANSWER False Which of the following is not correct concerning the skin? - ANSWER The subcutaneous layer is between the dermis and the epidermis. A _______ membrane lines tubes and cavities that open to the outside of the body. - ANSWER mucous The elbow is distal to the wrist. - ANSWER False In negative feedback mechanisms changes away from the normal state - ANSWER stimulate changes in the opposite direction. Smooth muscle is found in the wall of the - ANSWER stomach and intestine. The type of epithelium that secretes into ducts that open onto surfaces like skin or into body fluids is - ANSWER glandular epithelium. Which of the following correctly describes the structural organization of the cell membrane? - ANSWER A bilayer of phospholipid molecules in which protein molecules are embedded and can move A water solution that contains equal numbers of hydrogen ions and hydroxide ions is - ANSWER neutral. Eccrine sweat glands differ from sebaceous glands - ANSWER all of the above During interphase, a cell rests. - ANSWER False Which of the following groups of compounds is hydrophobic? - ANSWER Lipids Skin cells play an important role in producing - ANSWER vitamin D. Epithelial tissue functions in - ANSWER secretion, absorption, and protection. Which of the following transport processes does not require expenditure of cellular energy? - ANSWER Facilitated diffusion Chemistry is important to the study of physiology because - ANSWER all of the above Saturated fats _______ than unsaturated fats. - ANSWER have more single carbon- carbon bonds