QR Challenge: Muscle System

Created using the ClassTools QR Treasure Hunt Generator

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Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

Download a QR reader (e.g. I-Nigma | NeoReader | Kaywa ) onto their mobile devices
Bring these devices into the lesson.

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!

C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

Questions / Answers (teacher reference)

Question	Answer
1. 1.The muscle tissue type that consists of single, very long, cylindrical, multinucleate cells with very obvious striations is A.skeletal muscle only.B.cardiac muscle only.C.smooth muscle only.D.cardiac and smooth muscle	a
2.
3. 2.Which of the following is NOT a function of the muscular system? A.Stabilization of joints B.Maintenance of posture C.Production of movement D.Hematopoiesis	D
4.
5. 3.The striations that give skeletal muscles its characteristic striped appearance are produced, for the most part, by A.a difference in the thickness of the sarcolemma.B.the "cocked" positions of the heads of the thick filaments.C.the arrangement of myofilaments.D.the sarcoplasmic reticulum.	c
6.
7. 4.A sarcomere is : A.the wavy lines on the cell, as seen in a microscope. B.the nonfunctional unit of skeletal muscle.C.the contractile unit between two Z lines.D.the area between two intercalated discs.	C
8.
9. 5.A skeletal muscle twitch differs from a tetanic contraction in that A.the muscle twitch occurs only in small muscles while a tetanic contraction occurs in large muscle groups.B.the tetanic contraction is caused by a single stimulus, while the twitch is caused by very rapid multiple stimuli.C.the tetanic contraction is considered abnormal, while the twitch is a normal muscle responseD.the muscle twitch is a brief and "jerky" movement, while the tetanic contraction is prolonged and continuous	D
10.
11. 6. Which one of the following is composed of myosin protein?A.Z lines B.Thin filaments C.Thick filaments D.All myofilaments	C
12.
13. 7.Creatine phosphate (CP) function within the muscle cells by A.forming a chemical compound with actin.B.storing energy that will be transferred to ADP to resynthesize ATP as needed.C.inducing a conformational change in the myofilaments.D.forming a temporary chemical compound with myosin	B
14.
15. 8.Which one of the following groups of skeletal muscle tissue terms is placed in order from largest to smallest?A.Fascicle, fiber, myofibril, myofilament B.Fiber, myofibril, fascicle, myofilament C.Myofilament, myofibril,fiber, fascicle D.Fiber, myofibril, myofilament,fascicle	c
16.
17. 9.The condition of skeletal muscle fatigue can be best explained by A.insufficient intracellular quantities of ATP due to excessive consumption.B.a total lack of ATP.C.the inability to generate sufficient quantities of ATP due to feedback regulation of synthesis.D.inadequate numbers of mitochondria	a
18.
19. 10.Acetylcholine is A.an oxygen binding protein.B.a neurotransmitter that stimulates skeletal muscle.C.an ion pump on the postsynaptic membrane.D.a source of energy for muscle contraction	b

Muscle System : QR Challenge

https://www.classtools.net/QR/decode.php?text=1.The_muscle_tissue_type_that_consists_of_single,_very_long,_cylindrical,_multinucleate_cells_with_very_obvious_striations_is__A.skeletal_muscle_only.B.cardiac_muscle_only.C.smooth_muscle_only.D.cardiac_and_smooth_muscle

Question 1 (of 19)