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4-6
Anna Mattern
| Question | Answer |
|---|---|
| Connective tissue forms from stem cell tissue called: | mesenchyme. |
| The papillary layer of the dermis: | produces the ridges that make fingerprints. |
| Mucous membranes are important because they lubricate and protect passageways. | True |
| A tissue is: | a group of similar cells that perform a common function. |
| Which tissue is most likely to form a keloid scar as it heals? | Connective |
| Which cells form the blood-brain barrier that protects the brain from harmful substances in the blood? | Astrocytes |
| Which of the following is not a characteristic of muscle tissue? | Cells are separated by a large quantity of extracellular matrix |
| Which cells electrically insulate axons to increase the speed of conduction? | Oligodendrocytes Schwann cells |
| Which of the following is not a characteristic of epithelial tissue? | Is important in communication and control |
| Which is not a function of connective tissue? | Communication |
| Which of the following is not a function of adipose tissue? | Defends the body from microbes and injurious substances |
| Hematopoietic tissue can be found in the: | bones. |
| The hypodermis: | connects the dermis to underlying tissues. |
| Basement membrane is composed of molecules made by _____ tissue. | connective epithelial |
| Which of the following epithelial functions is a primary activity of glandular epithelium? | Secretion |
| Which of the following vitamins is(are) absorbed through the skin? | Vitamin A Vitamin D Vitamin K |
| Which of the following is not a characteristic of smooth muscles? | Having intercalated disks |
| Which is not a function of epithelial tissue? | Assimilation |
| Of the five epidermal cell layers, the only one that can undergo mitosis is the stratum: | basale |
| Areolar tissue usually contains which types of cells in the greatest number? | Fibroblasts |
| Which of the following is not a characteristic of the epiphyses? | Cylindrical in shape |
| The human hand has greater dexterity than the forepaw of any animal because of the freely movable joint of the: thumb | thumb |
| In bone formation, the cells that produce the organic matrix are the: | osteoblasts |
| After the age of 50, the density of bone: | decreases slowly because of a shift in the remodeling activity. |
| Normally, bone loss will begin to exceed bone gain between the ages of _____ years. | 35 and 40 |
| During childbirth, a baby passes through an imaginary plane called the: | pelvic outlet. |
| Which of the following may cause skeletal variations? | Inadequate supply of calcium and vitamin D Mechanical stress Age |
| Bones grow in diameter by the combined action of which two of the three bone cell types? | osteoblasts and osteoclasts |
| Which of the following is not a characteristic of the diaphysis? | Provides a bulbous shape for attachment of muscle |
| Calcification of the organic bone matrix occurs when | complex calcium salts are deposited in the matrix. |
| In intramembranous ossification, the process of appositional growth refers to the: | addition of an outside layer of osseous tissue on flat bones. |
| Blood calcium levels involve secretion of which two hormones? | parathyroid and calcitonin |
| The humerus articulates proximally with the clavicle. | False |
| The ulna articulates proximally with the: | humerus. |
| Which structures are unique to the fetal skull and provide additional space for molding the head shape as the baby passes through the birth canal? | fontanels |
| Due to how the clavicle articulates with the scapula, all shoulder movements involve the sternoclavicular joint. | True |
| Until bone growth in length is complete, a layer of the cartilage, known as the _____, remains between the epiphysis and diaphysis. | epiphyseal plate |
| An open fracture is also known as a compound fracture. | True |
| Which of the following is not dependent on the proper amount of calcium ions in the blood? | Blood clotting Transmission of nerve impulses Contraction of cardiac muscle |
| A person with a fractured patella would expect discomfort in the: | knee |
| The strength of a muscle contraction is influenced by the: | amount of load. initial length of muscle fibers. recruitment of motor units. |
| The knee joint is an example of a _____ joint. | hinge |
| All of the following are characteristics of smooth muscle except: | thin and thick filaments are aligned in sarcomeres like skeletal muscles. |
| Which of the following terms describes an isometric contraction? | Static tension |
| Most body movements are _____ contractions. | isotonic |
| Which of the following proteins found in myofilaments contains the cross-bridges? | Myosin |
| The ion necessary for cross-bridging is: | calcium |
| The type of movement possible at a synovial joint depends on the: | shape of the articulating surfaces of the bones. |
| The opposite of dorsiflexion is: | plantar flexion. |
| The rotator cuff muscles and tendons form a cufflike arrangement around the _____ joint. | shoulder |
| Which muscle group extends the vertebral column and also flexes the back laterally and rotates it a little? | erector spinae |
| Which joint allows for the most movement? | Ball and socket |
| Moving a body part away from the medial plane of the body is called: | abduction. |
| During which phase of the twitch contraction is there a triggering of the release of calcium ions into the sarcoplasm? | Latent period |
| Which type of joint joins the two pubic bones together? | Symphysis |
| Rotator cuff surgery is performed quite commonly on professional baseball players, especially pitchers. Evidently, the throwing motion places enormous stress on the: | shoulder. |
| In terms of function, which is considered an immovable joint? | Synarthrosis |
| The purpose of creatine phosphate in muscle contraction is to: | replenish energy supply. |
| Which joint allows for a unique movement called opposition? | Saddle |
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