BIO 210 Lec Exam 2 (GRADED A) Questions and Answers- Greenville Technical College

• Question 1 The glands that produce a sticky, odorous sweat is referred to as: Selected Answer: apocrine sweat glands 1.34 out of 1.34 points Answers: apocrine sweat gla nds merocrine sweat glands sebaceous glands holocrine glands • Question 2 The elbow is a joint. Selected Answer: hinge Answers: saddle plane hinge condyle • Question 3 1.34 out of 1.34 points 1.34 out of 1.34 points When bone forms by intramembranous ossification, the ossification centers are within Selected Answer: mesenchyme. Answers: spongy bone. mesenchyme. elastic cartilage. compact bone. hyaline cartilage. • Question 4 1.34 out of 1.34 points When the angle between articulating bones increases beyond the anatomic position, the movement is referred to as Selected Answer: hyperextension. Answers: hyperflexion. supination. dislocation. hypertrophy. hyperextension. • Question 5 1.34 out of 1.34 points Which does not correctly pair a movement with its opposing movement? Selected Answer: Elevation - retraction Answers: Abduction - adduction Flexion - extension Elevation - retraction Pronation - supination Dorsiflexion - plantar flexion • Question 6 1.34 out of 1.34 points Why might someone pale when they are exposed to a cold temperature? Selected Answer: Vasoconstriction has occurred Answers: Constriction of the dermal collagen and elastic fibers Purely psychological Dehydration of the stratum corneum Vasoconstriction has occurred Vasodilation has occurred • Question 7 1.34 out of 1.34 points The pigment that gets converted to Vitamin A within the body is referrred to as: Selected Answer: carotene Answers: carotene melanin hemoglob in • Question 8 When exposed to UV radiation, keratinocytes will produce: Selected Answer: vitamin D3 Answers: vitamin C vitamin B calcitriol vitamin D3 • Question 9 Freckles are the result of Selected 1.34 out of 1.34 points 1.34 out of 1.34 points Answer: melanocyte activity, genetic inheritance, and sun exposure. Answers: melanocyte activity and diet. melanocyte activity, genetic inheritance, and sun exposure. melanocyte number and sun exposure. melanocyte number, genetic inheritance, and diet. melanocyte number and genetic inheritance. • Question 10 1.34 out of 1.34 points What are the small spaces that enclose the chondrocytes? Selected Answer: lacunae Answers: lacunae lamellae perichondriu m endochondri um • Question 11 Which is a sesamoid bone? Selected Answer: Patella Answers: Scaphoid Cuboid Sphenoid Patella Talus • Question 12 Which type of angular motion decreases the angle between bones? Selected Answer: flexion Answers: hyperextensi on flexion extension abduction • Question 13 Lines of cleavage are a result of Selected Answer: the orientation of collagen fibers in the dermis. Answers: the alignment of dermal papillae. the alignment of epidermal ridges. wounds to the epidermis such as hemangiomas. 1.34 out of 1.34 points 1.34 out of 1.34 points 1.34 out of 1.34 points the orientation of collagen fibers in the dermis. • Question 14 Sutures are joints that are found Selected Answer: between certain bones of the skull. Answers: throughout the axial and appendicular skeletons. between all bones and teeth of the skull. 1.34 out of 1.34 points only where a facial bone articulates with a cranial bone. between certain bones of the skull. • Question 15 All people have the same number of melanocytes. Selected Answer: True Answers: 1.34 out of 1.34 points True Fals e • Question 16 1.34 out of 1.34 points The hairs on your head, including the eyebrows and eyelashes are called: Selected Answer: terminal Answers: lanugo terminal vellus trichosider in • Question 17 Phosphate is required for: Selected Answer: ATP utilization Answers: Muscle contraction 1.34 out of 1.34 points ATP utilization Blood clotting Nerve impulse transmission • Question 18 1.34 out of 1.34 points When the arms are extended horizontally and are brought back towards the midline of the body, this movement is referred to as: Selected Answer: adducti on Answers: flexion abducti on adducti on extensio n • Question 19 Which joint is the most unstable and most frequently dislocated? Selected Answer: should er Answers: knee hip should er wrist • Question 20 The intervertebral joints are considered to be joints. Selected Answer: symphysis Answers: synovial synchondro 1.34 out of 1.34 points 1.34 out of 1.34 points sis symphysis gomphosis • Question 21 1.34 out of 1.34 points The basic functional and structural unit of compact bone is referred to as: Selected Answer: osteon Answers: concentric lamellae central canal perforating canals osteon • Question 22 Which is an alternate term for compact bone? Selected Answer: Cortical bone Answers: Cancellous bone Cortical bone Trabecular bone Diploe Spongy bone • Question 23 What is the greatest risk factor for skin cancer? Selected Answer: Exposure to UV light rays Answers: Low skin hydration levels Using excessive sun block Exposure to UV light rays 1.34 out of 1.34 points 1.34 out of 1.34 points Being a female Advanced age • Question 24 20% of bone mass is comprised of compact bone. Selected Answer: Fals e Answers: True Fals e • Question 25 Hyaline cartilage contains vascular tissue. Selected Answer: Fals e Answers: True Fals e • Question 26 1.34 out of 1.34 points 1.34 out of 1.34 points 1.34 out of 1.34 points The movement where you twist the sole of the foot laterally, is referred to as: Selected Answer: eversion Answers: inversion eversion dorsi flexion plantar flexion • Question 27 Which skin markings usually disappear during childhood? Selected Answer: Capillary hemangiomas Answers: Pili Cavernous hemangiomas 1.34 out of 1.34 points Capillary hemangiomas Friction ridges Nevi • Question 28 The term "diarthrosis" refers to a joint that is Selected Answer: freely mobile. Answers: immobile. slightly mobile. fused. dislocated. freely mobile. • Question 29 Rotations of the forearm that makes the palm face anteriorly is: Selected Answer: supinatio n 1.34 out of 1.34 points 1.34 out of 1.34 points Answers: supinatio n pronation protractio n flexion • Question 30 Short, flat, and irregular bones do not contain a medullary cavity. Selected Answer: True Answers: 1.34 out of 1.34 points True Fals e • Question 31 1.34 out of 1.34 points Rickets, a disease characterized by overproduction and deficient calcification of osteoid tissue, is caused by a lack of sufficient Selected Answer: Vitamin D. Answers: Calcitonin. Vitamin A. Thyroid hormone. Vitamin D. Vitamin C. • Question 32 Functionally, a gomphosis is categorized as a Selected Answer: synarthrosis. Answers: cartilagenous joint. diarthrosis. synovial joint. synarthrosis. • Question 33 1.34 out of 1.34 points 1.34 out of 1.34 points In a synovial joint, what are the pockets of synovial fluid that cushion areas where tendons or ligaments rub? Selected Answer: bursa Answers: meniscus bursa articular cartilage patellar cartilage • Question 34 1.34 out of 1.34 points A synarthrotic joint located only between the bones of the skull is: Selected Answer: suture Answers: symphysis suture syndesmosi s synchondro sis • Question 35 Which is not a function of bone? Selected Answer: Hormone synthesis Answers: Hemopoiesis Protection Mineral storage Body movement Hormone synthesis • Question 36 1.34 out of 1.34 points 1.34 out of 1.34 points Which disorder is characterized by the immune system destroying the cartilage in the joints, thereby leading to potentially crippling problems? Selected Answer: rheumatoid arthritis Answers: rheumatoid arthritis gout osteoarthritis bursitis • Question 37 1.34 out of 1.34 points Based on its range of motion, the elbow is classified as a(n) joint. Selected Answer: uniaxial Answers: gliding ellipsoid multiaxial uniaxial biaxial • Question 38 The produces synovial fluid. Selected Answer: synovial membrane Answers: articular cartilage 1.34 out of 1.34 points synovial membrane tendon articular capsule • Question 39 When the arm is raised anteriorly, the movement at the shoulder is Selected Answer: extension. Answers: extension. adduction. 0 out of 1.34 points flexion. abduction. rotation. • Question 40 1.34 out of 1.34 points Compared to the young, elderly individuals have epidermal dendritic skin cells. Selected Answer: fewer Answers: fewer more • Question 41 The periosteum is described as: Selected Answer: anchoring blood vessels and nerves to the bone surface 1.34 out of 1.34 points Answers: anchoring blood vessels and nerves to the bone surface having an incomplete layer of cells directly covering all internal surfaces of bone containing red bone marrow • Question 42 What gives bone its flexibility? Selected Answer: Collagen fibers Answers: Elastic fibers Trabeculae Collagen fibers Yellow bone marrow Inorganic salts • Question 43 The process of replacing tissues with bone is described as: Selected Answer: calcification Answers: calcification osteoprogene sis remodeling 1.34 out of 1.34 points 0 out of 1.34 points ossification • Question 44 1.34 out of 1.34 points If you move your head in such a way to look up at the ceiling, you are your neck. Selected Answer: hyperextending Answers: hyperextending elevating flexing rotating circumducting • Question 45 1.34 out of 1.34 points The type of gland that secretes sweat into a hair follicle that is found in the axillary, anal, and genital regions is the sweat gland. Selected Answer: apocrine Answers: sebaceous apocrine ceruminous merocrine • Question 46 1.34 out of 1.34 points Which fracture occurs at the distal portion of the radius? This fracture occurs when you fall and try to use your forearm to "break" your fall. Selected Answer: colles fracture Answers: potts fracture colles fracture epiphyseal fracture displaced fracture • Question 47 Which is the definition for a greenstick fracture? Selected 1.34 out of 1.34 points Answer: Only one side of the bone is broken; the other side is bent. Answers: The bone is splintered into several fragments. Only one side of the bone is broken; the other side is bent. The fracture is at right angles to the long axis of the bone. The fracture is at an oblique angle to the long axis of the bone. The bone is twisted as it fractures. • Question 48 The active form of vitamin D is synthesized in the: Selected Answer: liver Answers: spleen intestin e liver 0 out of 1.34 points kidney • Question 49 1.34 out of 1.34 points Spongy bone makes up less than half of total bone mass, and is located internal to compact bone. Selected Answer: True Answers: True Fals e • Question 50 The function of dendritic cells is to: Selected Answer: initiate an immune response against pathogens 1.34 out of 1.34 points Answers: secretion metabolic regulation initiate an immune response against pathogens absorption • Question 51 Which type of hair forms the beard on the faces of males? Selected Answer: Terminal Answers: Nonpigmented Lanugo Vellus Terminal Pilus • Question 52 1.34 out of 1.34 points 0 out of 1.34 points Which is not involved in the process of bone repair following a fracture? Selected Answer: Fibroblasts produce collagen fibers to connect broken pieces of bone. Answers: The fracture hematoma reorganizes to form a procallus. Osteoclasts remove excess bone from the hard callus. A fibrocartilaginous callus serves as a model for new bone growth. Fibroblasts produce collagen fibers to connect broken pieces of bone. No exceptions; all of the choices are involved in the process of bone repair. • Question 53 1.34 out of 1.34 points Lines of cleavage are characterized as: Selected Answer: collagen and elastic fibers arranged in parallel bundles Answers: stretching of the skin collagen and elastic fibers arranged in parallel bundles wrinkles in the skin due to lack of dermal circulation shedding of the epithelium • Question 54 1.34 out of 1.34 points Osteoblasts are bone-forming cells; osteoclasts are bone-dissolving cells. Selected Answer: True Answers: True Fals e • Question 55 Osteoid is the Selected Answer: organic part of the bone matrix that gives it rigidity. Answers: inorganic part of the bone matrix that gives it tensile strength. inorganic part of the bone matrix that gives it rigidity. 0 out of 1.34 points organic part of the bone matrix that gives it tensile strength. organic part of the bone matrix that gives it rigidity. • Question 56 1.34 out of 1.34 points Which type of bone cell is responsible for synthesizing and secreting an osteoid? Selected Answer: osteoblasts Answers: osteoprogenitor cells osteoblasts osteoclasts osteocytes • Question 57 0 out of 1.34 points The interosseous membrane between the radius and the ulna is an example of a Selected Answer: synchondrosis. Answers: syndesmosis. synostosis. suture. synchondrosis. synarthrosis. • Question 58 1.34 out of 1.34 points Fine hair called , which is unpigmented or lightly pigmented, is the primary human hair and is found on the upper and lower limbs. Selected Answer: vellus Answers: phalanx lanugo vellus cuticle terminal • Question 59 1.34 out of 1.34 points Generally, people have number of melanocytes . Selected Answer: about the same; no matter where they live Answers: a higher; if they live in the warmer climates near the equator a lower; if they live in colder climates of the northern hemisphere a higher; if they live in the southern hemisphere about the same; no matter where they live a highly variable; irrespective of where they live • Question 60 1.34 out of 1.34 points Clenching the fingers to make a fist, then relaxing and straightening them, is an example of followed by . Selected Answer: flexion; extension Answers: adduction; abduction extension; flexion extension; hyperextension flexion; extension abduction; adduction • Question 61 1.34 out of 1.34 points About 80% of the human skeleton is replaced yearly as a result of bone remodeling. Selected Answer: Fals e Answers: True Fals e • Question 62 Drugs are often injected in the part of the skin called: Selected Answer: subcutaneous layer Answers: epidermis subcutaneous layer Dermis stratum basale • Question 63 1.34 out of 1.34 points 1.34 out of 1.34 points Endochondral ossification is a form of bone growth in which a cartilaginous model is replaced by bone. Selected Answer: True Answers: True Fals e • Question 64 1.34 out of 1.34 points Interstitial growth of cartilage increases its and occurs in the region of the cartilage. Selected Answer: length; internal Answers: length; peripheral width; internal width; peripheral length; internal • Question 65 1.34 out of 1.34 points Calcidiol circulates in the blood and is converted to calcitriol in the Selected Answer: kidney. Answers: liver. bone. kidney. skin. • Question 66 What is the composition of the subcutaneous layer? Selected 1.34 out of 1.34 points Answer: Areolar connective tissue and adipose connective tissue Answers: Areolar connective tissue Adipose connective tissue Dense irregular connective tissue Areolar connective tissue and dense irregular connective tissue Areolar connective tissue and adipose connective tissue • Question 67 1.34 out of 1.34 points Rotation of the forearm so as to direct the palm anteriorly (as in anatomic position) is called Selected Answer: supination. Answers: abduction. supination. protraction. eversion. pronation. • Question 68 1.34 out of 1.34 points Which type of fracture occurs where the bone shatters into several small pieces? Selected Answer: comminuted fracture Answers: stick fracture comminuted fracture colles fracture epiphyseal fracture • Question 69 The most numerous sweat glands in the body are referred to as: Selected Answer: merocri ne Answers: apocrine sebaceo us holocrin e merocri ne • Question 70 1.34 out of 1.34 points During the first step in fracture repair, what occurs? Selected Answer: a fracture hematoma occurs Answers: internal and external calluses occur struts of spongy bone occur 1.34 out of 1.34 points a fracture hematoma occurs swelling begins to reduce • Question 71 An example of a short bone is a: Selected Answer: carpal Answers: sternum vertebr ae carpal scapula • Question 72 About 1/5 or 20% of the entire skeleton is replaced every year. Selected Answer: True Answers: 1.34 out of 1.34 points 1.34 out of 1.34 points True Fals e • Question 73 1.34 out of 1.34 points Deep cuts that occur perpendicular to cleavage lines tend to gape. Selected Answer: True Answers: True Fals e • Question 74 1.34 out of 1.34 points The skin consists of different tissue types that perform specific activities and therefore is to be considered an organ. Selected Answer: True Answers: True Fals e Selected Answer: Fals e Answers: True Fals e Show Less