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KIN 270 Exam 2 Review with Complete Solutions Which of the following types of bone contains osteons? a.Spongy bone b.Soft bone c.Hard bone d.Compact bone ANSWER d. Compact bone Many choice: Which of the following cells live in lacunae? Select one or more: a.Osteoclasts b.Osteocytes c.Chondrocytes ANSWER b.Osteocytes c.Chondrocytes Which of the following is considered the most effective stimulus for bone growth in adults? Select one: a.Weight bearing exercise and bone stress ...

KIN 270 Cell Biology Exam with Questions and Answers Moving sodium out of a cell ANSWER Requires the input of energy If a concentration gradient is held constant, what is the most direct way to change rate of osmosis across a cell membrane? ANSWER By changing the concentration of aquaporins in cell membranes Glucose moves across the plasma membrane of a fat cell by ANSWER Facilitated diffusion The production of mRNA from a gene is called ANSWER Transcription Which of the following...

Kin 270 Exam 2 Guide with Questions and Answers Epithelial functions ANSWER Protection Transport (filtration, secretion and absorption) Others, e.g., sensation properties of epithelial tissue ANSWER CRAAP: • Cellular • Regenerative • Avascular • Attached • Polar squamous epithelial tissue ANSWER flat cells cuboidal epithelial tissue ANSWER cube shaped columnar epithelial tissue ANSWER taller than they are wide simple ANSWER one layer stratified ANSWER ...

KIN 270 Exam 1 Prep with Questions and Answers Referring to the human body, which of the following statements is accurate? Select one: a. Form follows function, i.e., the function of a structure determines its shape. b. Function follows form, i.e., the shape of a structure determines its function. ANSWER Function follows form, i.e., the shape of a structure determines its function. Is it possible to disrupt the structure of skin cells without disrupting the structure of the skin? Selec...

Kin 270 Practice Final Exam with Questions and Answers If a patient exhibits no muscle tone and an inability to contract skeletal muscle, you would suspect a problem with a. Upper motor neurons b. Lower motor neurons c. First order sensory neurons d. Second order sensory neurons e. Third order sensory neurons ANSWER B Which of the following would relax a neuron? a. Graded hyperpolarization b. Action depolarization c. Graded depolarization d. Action hyperpolarization ANSWER...

KIN 270 Exam 2 with Questions and Accurate Answers what is a sutural type of bone and where might you find this type of bone? ANSWER small and irregular (puzzle). Help suture the flat bones of the skull true/false: the diaphysis is the shaft of the long bones and the epiphysis is found at either end. ANSWER false, the diaphysis is the shaft of the long bone and the epiphysis is found at either end 2/3 of the bone matrix is made up of what? ANSWER calcium phosphate osteoblasts do what...

Kin 270 Exam 2 Lecture with Questions and Answers The threshold voltage in a muscle fiber is ANSWER The voltage at which voltage-gated sodium channels open Many choice: Imagine that the voltage of a muscle fiber were held constant at -70 mV even when ions are injected. Injection of which of the following ions would cause muscle contraction? ANSWER Calcium A muscle fiber treated for a long time with succinylcholine would be ANSWER relaxed Voltage gated sodium channels open when (remin...

Kin 270 Histology Exam 1 with Questions and Answers Which of the following tissue types includes cells specialized to communicate with distant [arts of the body ANSWER nervous tissue Which of the following best describes dense connective tissue ANSWER Tissue that consists mostly of extracellular matrix and has more protein fibers than ground substance Which of the following contains no blood vessels ANSWER epithelial tissue Imagine you were hired by a pharmaceutical company to create...

KIN 270 Histology Quiz with Questions and Answers Imagine you want to pull a car out of a ditch. If you created a rope from human tissue, you would use Select one: a. Stratified squamous epithelial tissue b. Simple squamous epithelial tissue c. Stratified columnar epithelial tissue d. Dense regular connective tissue e. Dense irregular connective tissue ANSWER d. Dense regular connective tissue Food is ingested in the mouth, but not absorbed (for our purposes, assume no absorption eve...

Kin 270 Histology Exam with Questions and Answers Which of the following cell types maintains the extracellular matrix in connective tissue proper? ANSWER Fibroblasts Imagine you are a fibroblast. You notice that a kidney is becoming detached from the posterior abdominal wall and decide to anchor the kidney in place with a flat sheet of connective tissue. What type of tissue would you weave? ANSWER dense irregular connective tissue Which of the following can have the consistency of a vi...