SCIENCE 132 Week 5 Quiz 12.0/ 12.0 Points

Week 5 Quiz Return to Assessment List Comment:Joshua, Your short answer and lab report questions for week 5 have been graded. Scott Nunnelly Part 1 of 12 - 12.0/ 12.0 Points Question 1 of 32 3.0/ 3.0 Points Which of the following bones is part of the Appendicular Skeleton?  A. Sternum  B. Vertebra  C. Rib  D. Scapula  E. Sacrum Feedback:Good work; your answer is correct! Question 2 of 323.0/ 3.0 Points Tendons are a type of fibrous connective tissue. What do tendons connect to bones?  A. Fibroblasts  B. Marrow  C. Other bones  D. Organs  E. Muscles Feedback:Good work; your answer is correct! Question 3 of 32 3.0/ 3.0 Points Which of the following is not a function of the skeleton?  A. Storage of minerals and fat B. Production of parathyroid hormone  C. Organ protection  D. Production of blood cells  E. Movement Feedback:Good work; your answer is correct! Question 4 of 32 3.0/ 3.0 Points What are the bone forming cells that secrete organic matrix?  A. Osteocytes  B. Trabeculae C. Lacunae  D. Osteoclasts  E. Osteoblasts Feedback:Good work; your answer is correct! Part 2 of 12 - 6.0/ 6.0 Points Question 5 of 32 3.0/ 3.0 Points Each bone of the body serves a particular function, and therefore bones __________.  A. are completely formed at birth.  B. are hollow.  C. are mostly straight.  D. are solid. E. vary in size, shape, and strength. Feedback:Good work; your answer is correct! Question 6 of 32 3.0/ 3.0 Points The skeleton is divided into two major divisions, the __________________.  A. Skull and everything else  B. Skull and trunk  C. Trunk and extremities  D. Arms and legs  E. Axial and appendicular Feedback:Good work; your answer is correct! Part 3 of 12 - 6.0/ 6.0 PointsQuestion 7 of 32 3.0/ 3.0 Points The total number of bones in one hand and its five fingers is ______. This excludes the wrist.  A. 10  B. 19  C. 12  D. 23  E. 15 Feedback:Good work; your answer is correct! Question 8 of 32 3.0/ 3.0 Points The pectoral girdle consists of two bones, the ________ and the ________. A. scapula, clavicle  B. acromion, 1st rib  C. 1st rib, scapula  D. humerus, femur  E. shoulder, clavicle Feedback:Good work; your answer is correct! Part 4 of 12 - 3.0/ 3.0 Points Question 9 of 32 3.0/ 3.0 Points The movement of bone away from the midline of the body is called ________.  A. rotation  B. abduction C. adduction  D. circumduction  E. extension Feedback:Good work; your answer is correct! Part 5 of 12 - 12.0/ 12.0 Points Question 10 of 32 3.0/ 3.0 Points Which structures of cardiac muscle allows the cells to contract in waves so the heart can work as a pump?  A. Gap junction  B. Intercalated discs  C. Nucleus D. Syncytium  E. Desmosome Feedback:Good work; your answer is correct! Question 11 of 32 3.0/ 3.0 Points In the Sliding Filament Model of Contraction, actin and myosin filaments slide past one another using what as an energy source?  A. ATP  B. ADP  C. DNA  D. NADH E. Carbon Dioxide Feedback:Good work; your answer is correct! Question 12 of 32 3.0/ 3.0 Points Which two proteins interact to cause a contraction in skeletal muscle?  A. Keratin and Collagen  B. Adenine and Guanine  C. Actin and Myosin  D. Myosin and Elastin  E. Collagen and Actin Feedback:Good work; your answer is correct! Question 13 of 32 3.0/ 3.0 Points The functional unit of a muscle fiber is called what? A. Sartorius  B. Sarcomere  C. Sarcoplasmic reticulum  D. Sarcophagus  E. Sarcolemma Feedback:Good work; your answer is correct! Part 6 of 12 - 6.0/ 9.0 Points Question 14 of 32 3.0/ 3.0 Points Although a number of muscles may be involved in an action, the principal muscle involved is called the prime mover, or ________. A muscle with the opposite action of the prime mover is called an _________.  A. agonist; antagonist B. antagonist; opposer  C. antagonist; agonist  D. agonist; secondary mover  E. None of the above are true. Feedback:Good work; your answer is correct! Question 15 of 32 0.0/ 3.0 Points To pull on a bone, that is, to change the angle at its synovial joint, which essentially moves the skeleton, a skeletal muscle must also be attached to a fixed part of the skeleton. The moveable end of the muscle that attaches to the bone being pulled is called the muscle’s ________, and the end of the muscle attached to a fixed (stabilized) bone is called the _______.  A. Origin; insertion  B. Insertion; origin C. Beginning; end  D. Origin; fixed end  E. Beginning; insertion Feedback:To pull on a bone, that is, to change the angle at its synovial joint, which essentially moves the skeleton, a skeletal muscle must also be attached to a fixed part of the skeleton. The moveable end of the muscle that attaches to the bone being pulled is called the muscle’s insertion, and the end of the muscle attached to a fixed (stabilized) bone is called the origin. Question 16 of 32 3.0/ 3.0 Points Which of the following statements is correct about what happens during flexion?  A. The bone rotates.  B. The angle between bones is decreased.  C. The bone moves toward the center of the body. D. The bone moves away from the body.  E. The angle between bones is increased. Feedback:Good work; your answer is correct! Part 7 of 12 - 9.0/ 12.0 Points Question 17 of 32 3.0/ 3.0 Points Which of these locations is where the greatest level of integration is taking place in the example of testing the temperature of something?  A. skeletal muscle  B. spinal cord  C. thalamus  D. cerebral cortex E. None of the above. Feedback:Good work; your answer is correct! Question 18 of 32 3.0/ 3.0 Points The _________ nervous system is responsible for conscious perception and voluntary motor responses. The _________ nervous system is responsible for involuntary control of the body.  A. central; peripheral  B. peripheral; central  C. somatic; autonomic  D. autonomic; somatic  E. None of the aboveFeedback:Good work; your answer is correct! Question 19 of 32 3.0/ 3.0 Points A synapse is the location where the axon of a neuron connect with another neuron or a muscle fiber. The following characteristic(s) are always present in chemical synapses:  A. presynaptic element  B. neurotransmitter (packaged in vesicles)  C. synaptic cleft  D. receptor proteins  E. All the above are present. Feedback:Good work; your answer is correct! Question 20 of 32 0.0/ 3.0 Points Which of these locations is where the impulses to cause a movement, for example away from a stimulus, are initiated? A. skeletal muscle  B. spinal cord  C. thalamus  D. cerebral cortex  E. Both B and D are correct. Feedback:The primary motor cortex is the area of the which initiates a movement to take place. Part 8 of 12 - 3.0/ 3.0 Points Question 21 of 32 3.0/ 3.0 Points A more familiar name for the major sense named audition is _________.  A. taste B. sight  C. smell  D. hearing  E. balance Feedback:Good work; your answer is correct! Part 9 of 12 - 0.0/ 3.0 Points Question 22 of 32 0.0/ 3.0 Points Which type of drug would be an antidote to atropine poisoning?  A. nicotinic agonist  B. anticholinergic C. nicotine  D. muscarinic agonist  E. α-blocker Feedback:A muscarinic agonist can be an antidote to atropine poisoning. Part 10 of 12 - 18.0/ 21.0 Points Question 23 of 32 3.0/ 3.0 Points Contraction of a skeletal muscle that results from a single stimulus is called a ________.  A. tetanus  B. contraction phase  C. motor unit D. twitch Feedback:Correct! Question 24 of 32 3.0/ 3.0 Points When wave summation occurs, _______.  A. individual muscle twitches are separated  B. the muscle force generated increases  C. the muscle force generated decreases  D. the muscle fiber has received a single stimulus event Feedback:Correct! Question 25 of 32 3.0/ 3.0 Points In the lab, a researcher finds that the threshold stimulus to induce an action potential in a muscle fiber’s sarcolemma was 3.0 volts. Which of the following would result in muscle tension? A. 1.0 volt  B. 2.0 volts  C. 3.0 volts  D. 4.0 volts  E. 3.0 volts and 4.0 volts Feedback:Correct! Question 26 of 32 0.0/ 3.0 Points Which of the following terms are NOT used interchangeably?  A. muscle cell — muscle fiber B. motor unit — motor neuron  C. muscle tension — muscle force  D. in vivo — in the body Feedback:Learning Objective: Define a motor unit. Please review Lab Exercise 2, Activity 1. Question 27 of 32 3.0/ 3.0 Points Why does wave summation occur?  A. Muscle twitches are not yet overlapping.  B. A large amount of time elapses between stimulations.  C. Muscle fibers are partially contracted when the next stimulus arrives.  D. Muscle fibers have been allowed to fully relax.Feedback:Correct! Question 28 of 32 3.0/ 3.0 Points Which of the following is NOT a phase of a muscle twitch?  A. shortening phase  B. contraction phase  C. relaxation phase  D. latent period Feedback:Correct! Question 29 of 32 3.0/ 3.0 Points Which of the following describes the relaxation phase?  A. The sarcomeres are increasing in length, and the force generated increases. B. The sarcomeres are increasing in length, and the force generated decreases.  C. The sarcomeres are decreasing in length, and the force generated increases.  D. The sarcomeres are decreasing in length, and the force generated decreases. Feedback:Correct! Part 11 of 12 - 8.0/ 8.0 Points Answer the following question in your own words without using any resources. Your answer should be written in complete sentences using correct grammar, spelling, and terminology. Question 30 of 32 4.0/ 4.0 Points Define the term "motor unit." a single motor neuron and the muscles fibers innervated Feedback:Learning Objective: Define a motor unit. Please review Lab Exercise 2, Activity 1. Question 31 of 32 4.0/ 4.0 Points Briefly describe the effect of increasing stimulus intensity on the duration of the latent period. increasing the stimulus intensity had no effect on the latent period. It remained constant regardless of the intensity. Feedback:Learning Objective: Describe the effect of stimulus intensity on the duration of the latent period. Please review Lab Exercise 2, Activity 1. Part 12 of 12 - 5.0/ 5.0 Points Instructions: 1. Click on the Browse button to find the lab report on your computer. 2. Click on the Upload button to attach your lab report to the quiz.Question 32 of 32 5.0/ 5.0 Points Attach your completed Lab Exercise 2, Activity 1: The Muscle Twitch and the Latent Period lab report (PEX-02-01_FirstnameL) as the answer to this question. PEX-02-01_Joshua Hall (95.36 KB) Comment:Thank you