FREE PHYSIOLOGY AND STUDY GAMES ABOUT CHAP 14

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17 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -75 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: An example of a hinge joint is(are) the:

Answer:

interphalangeal joints.Question 2: _____ occurs when the foot is tilted upward, thus decreasing the angle between the top of the foot and the front of the leg.

Answer:

Dorsiflexion Question 3: After it is released from the sarcoplasmic reticulum, the calcium combines with which protein?

Answer:

Troponin

Question 4: A condyloid joint is an example of a(n) _____ joint.

Answer:

biaxial

Question 5: Some synovial joints contain a closed pillow-like structure called a(n)

Answer:

bursa.Question 6: Which structure allows the electrical signals to travel along the sarcolemma and move deeper into the cell?

Answer:

transverse tubule Question 7: Endurance training is also known as:

Answer:

aerobic training.Question 8: The four kinds of protein that make up myofilaments are myosin, actin,

Answer:

tropomyosin, and troponin.

Question 9: Synovial joints are

Answer:

freely movable.

Question 10: Which of the following terms describes an isometric contraction?

Answer:

Static tension Question 11: A contraction in which muscle length remains the same but muscle tension increases is called an

Answer:

isometric contraction.

Question 12: Exercise may cause an increase in muscle size called

Answer:

hypertrophy.

Question 13: Kicking a football is accomplished by knee:

Answer:

extension

Question 14: Muscle tone is maintained by

Answer:

negative feedback mechanisms.

Question 15: A gliding joint is an example of a(n) _____ joint.

Answer:

multiaxial

Question 16: The shoulder joint is an example of a _____ joint.

Answer:

The shoulder joint is an example of all of these.

Question 17: which type of muscle is responsible for peristalsis?

Answer:

Single-unit smooth Question 18: The more muscle fibers contracting at the same time, the stronger the contraction of the entire muscle. The number of muscle fibers contracting depends on how many motor units are

Answer:

recruited.Question 19: Stretching the foot down and back and pointing the toe is called:

Answer:

plantar flexion.Question 20: Which of the following is not a part of the neuromuscular junction?

Answer:

T-Tubules

Question 21: The structure of the knee joint permits movements of

Answer:

flexion and extension.Question 22: The first event to occur in muscle relaxation is that:

Answer:

the sarcoplasmic reticulum begins actively pumping calcium back into its sacs.

Question 23: Which joint allows for a unique movement called opposition?

Answer:

Saddle Question 24: The minimal level of stimulation required to cause a fiber to contract is called the

Answer:

threshold stimulus.Question 25: Moving a body part away from the medial plane of the body is called:

Answer:

abduction.Question 26: The substance that attracts oxygen in the myoglobin molecule is:

Answer:

ion

Question 27: The contractile unit of a muscle cell is the

Answer:

sarcomere Question 28: If a structural classification is used, joints are named according to the type of _____ tissue that joins the bones together.

Answer:

connective