Filters
Question type

Study Flashcards

What is the correct order of events in muscle contraction?


A) action potential → synaptic cleft → sarcoplasmic reticulum → sarcolemma → calcium ions bind to troponin
B) action potential → synaptic cleft → sarcolemma → sarcoplasmic reticulum → calcium ions bind to troponin
C) action potential → sarcoplasmic reticulum → synaptic cleft → sarcolemma → calcium ions bind to troponin
D) action potential→ sarcolemma → sarcoplasmic reticulum → synaptic cleft → calcium ions bind to troponin
E) action potential → sarcolemma → synaptic cleft → sarcoplasmic reticulum → calcium ions bind to troponin

F) A) and B)
G) A) and C)

Correct Answer

verifed

verified

If an athlete is training for the Olympic weight-lifting team, what type of exercising should they be doing?


A) Their training routine should include weight lifting, sprinting, or any other type of activity that requires an explosion of energy in order to increase their fast-twitch fibers.
B) Their training routine should include weight lifting, sprinting, or any other type of activity that requires an explosion of energy in order to increase their slow-twitch fibers.
C) Their training routine should include swimming, biking, jogging, and any other type of activity that requires an explosion of energy in order to increase their fast-twitch fibers.
D) Their training routine should include swimming, biking, jogging, and any other type of activity that produces their energy aerobically in order to increase their slow-twitch fibers.

E) A) and C)
F) C) and D)

Correct Answer

verifed

verified

Which of these bones is found in the pelvic girdle?


A) humerus
B) ulna
C) femur
D) coxal
E) tibia

F) C) and D)
G) B) and E)

Correct Answer

verifed

verified

Which of the following correctly matches the type of cartilage to its description?


A) elastic cartilage-thick collagen fibers
B) hyaline cartilage-matrix appears uniform and glassy
C) articular cartilage-elastic cartilage
D) fibrocartilage-found at the ends of long bones.

E) B) and D)
F) A) and B)

Correct Answer

verifed

verified

The origin of a muscle is found on the bone that moves.

A) True
B) False

Correct Answer

verifed

verified

Tooth sockets are located on which of the following bones?


A) zygomatic and mandible
B) mandible and temporal
C) maxillae and mandible
D) temporal and frontal
E) fronta and maxillae

F) A) and B)
G) A) and C)

Correct Answer

verifed

verified

What problems would occur if an individual were to tear their biceps brachii?


A) They would be unable to flex the forearm.
B) They would be unable to extend the forearm.
C) They would be unable to abduct their arm.
D) They would be able to curl their fingers.
E) All of the answer choices could not be performed.

F) A) and D)
G) B) and E)

Correct Answer

verifed

verified

Which of the following can help treat osteoporosis?


A) aspirin therapy
B) estrogen replacement therapy
C) treatment with chondroitin sulfate
D) treatment with glucosamine
E) treatment with corticosteroids

F) A) and B)
G) A) and C)

Correct Answer

verifed

verified

The patella is primarily held in place by tendons that attach it to the


A) femur.
B) fibula.
C) tibia.
D) calcaneus.
E) tarsal bones.

F) B) and E)
G) All of the above

Correct Answer

verifed

verified

The radius is to the ulna as the


A) tibia is to the femur.
B) fibula is to the ulna.
C) fibula is to the tibia.
D) humerus is to the femur.
E) humerus is the radius.

F) B) and D)
G) B) and C)

Correct Answer

verifed

verified

Which of the following attach muscle to bone?


A) ligaments
B) joints
C) tendons
D) adipose tissue
E) sarcomere

F) A) and B)
G) B) and D)

Correct Answer

verifed

verified

Jeremy has broken his leg during a soccer match. Although this is bad, from a healing standpoint, it is not as bad as if he had torn his cartilage.

A) True
B) False

Correct Answer

verifed

verified

In the laboratory, a single all-or-none contraction of a muscle fiber is called tetanus.

A) True
B) False

Correct Answer

verifed

verified

Which of these gives the correct order from large to small?


A) muscle → muscle fiber→ myofibril → sarcomeres → myofilaments
B) muscle → muscle fibers → sarcomeres → myofilaments → myofibrils
C) muscle → sarcomeres → myofibrils → actin filaments → myosin filaments
D) muscle fiber→ myofibrils → myofilaments → sarcomeres
E) muscle → myofibrils → sarcomeres → muscle fibers → myofilaments

F) A) and C)
G) B) and D)

Correct Answer

verifed

verified

In an accident, the extensor muscles across the back of the fingers of one hand are completely severed. What is the result if no surgery is done to rejoin them?


A) The fingers will dangle and extend out limp.
B) The fingers will curl and remain permanently flexed.
C) The fingers will forcibly extend and remain extended.
D) Hand movements will continue as before the accident.
E) The outcome will depend on how the muscles heal.

F) None of the above
G) A) and B)

Correct Answer

verifed

verified

Red bone marrow


A) stores fat.
B) is located only in the medullary cavity.
C) produces blood cells.
D) is only found in infants.
E) contains dense fibrous connective tissue.

F) B) and C)
G) C) and D)

Correct Answer

verifed

verified

Showing 61 - 76 of 76

Related Exams

Show Answer