TEST 4 (Chapter 10)

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Alexandria, a sprinter, experienced thigh pain during the start of her last race. Within 48 hours of the race, she noticed extensive bruising on the back of her thigh extending into the back of the knee and has difficulty rising from a seated position and flexing her knee. Bending at the waist generates more pain. Which muscle is likely injured?

Biceps femoris

Both intrinsic and extrinsic hand muscles originate in the forearm and extend into the hand. True or False?

False

Contraction of the abdominal muscles when the spine is fixed increases the volume of the abdominal cavity and the thoracic cavity and can aid in forced expiration, vomiting, defecation, and urination True or False?

False

Indicate whether each statement is true or false. The muscles of the anterior abdominal wall extend and rotate the vertebral column?

False

Indicate whether each statement is true or false: Muscles come in a wide variety of shapes, which can be grouped into three classes: pennate, straight, or globular?

False

Indicate whether each statement is true or false: The anterior leg muscles are extensor muscles involved in plantar flexion, eversion or inversion of the foot, and extension of the toes.

False

The orbicularis oculi muscles are an example of globular muscles that have their fasciculi arranged in a circle. True or False?

False

Which muscle everts and plantar flexes the foot?

Fibularis brevis

Which of the following muscles flexes the wrist?

Flexor carpi radialis

Which of the following muscles of facial expression is not innervated by the facial nerve?

Levator palpebrae superioris

Which muscle will elevate the scapula?

Levator scapulae

Which back muscle extends the head?

Longissimus capitis

muscles involved in rotation of the neck?

Longissimus capitis:/ Rectus capitis posterior/ Semispinalis capitis/ Splenius capitis:

In order for both eyes to direct their gaze to the right, which of the following muscles are used?

Right lateral rectus and Left medial rectus

After childbirth, a woman begins experiencing tremendous pain in her groin, making it difficult for her to walk. An x-ray shows a fracture extending from her symphysis pubis to the inferior ramus of the pubis. As a result of the fracture, which group of muscles might be impaired?

Thigh adductors

The transverses abdominis helps with compression of the abdomen but does not flex vertebral column like the other anterior abdominal muscles True or False?

True

Which of the following is a part of the quadriceps femoris muscle group?

Vastus lateralis

Well-developed mentalis muscles result in __________?

a dimple in the chin

Supination of the forearm and hand is accomplished by the __________?

biceps brachii and supinator

Jason was attempting a jump shot and fell to the ground in pain, grasping at the calf of his leg. There is an enormous bulge in his leg just below the popliteal fossa, and he can't plantar flex that foot. Most likely he has injured his __________?

calcaneal tendon

The orbicularis oculi muscle?

causes crow's feet wrinkles.

The zygomaticus major muscle?

contributes to laughing and smiling.

The depressor anguli oris muscle?

contributes to pouting.

Triangular muscles, like the pectoralis major are also called __________ muscles?

convergent

Raising your arm to shoulder level is accomplished almost entirely by the __________?

deltoid

When someone says to "turn that frown upside down," they mean to relax your __________ and contract your __________?

depressor anguli oris / levator anguli oris

The major movement produced during quiet breathing is accomplished by the __________?

diaphragm

The biceps femoris is part of the __________?

hamstring muscles

Muscles that change the shape of the tongue are called __________ muscles?

intrinsic

Eversion and plantar flexion is accomplished by muscles in the __________ compartment?

lateral

Muscles that elevate the jaw and close the mouth include the __________.

masseter and medial pterygoid

Raising the eyebrows is the action of the __________ muscle?

occipitofrontalis

The digastric muscle is involved in __________?

opening the mouth

The type of muscle that functions as a sphincter is __________?

orbicular

The type of muscle that can contract with the greatest force is the __________?

pennate

The orbicularis oris muscle?

puckers the mouth for kissing.

The abdominal muscle that has its origin at the pubic crest and symphysis pubis is the __________?

rectus abdominis

When an intramuscular injection is given in the anterior aspect of the thigh, the injection is in the __________?

rectus femoris

Contracting the right sternocleidomastoid muscle would?

rotate the head toward the left.

The muscle shape that has the capacity to shorten to the greatest degree is __________?

straight

The term "shin splints" is applied to?

stress fractures of the fibula 2 to 5 cm distal to the knee.

In order to stabilize the hyoid so that the larynx can be elevated in swallowing, the __________ muscle group is used?

suprahyoid

When you "pull your tummy in" and compress your abdomen, you use the rectus abdominis, external abdominal oblique, internal abdominal oblique, and transversus abdominis muscles. This is an example of muscles working as __________?

synergists

True or false? The following muscles are involved in movement of the eyebrows. 1. Auricularis 2. Buccinator 3. Corrugator supercilii: 4. Mentalis 5. Occipitofrontalis 6. Procerus

1. False 2. False 3. True 4. False 5. True 6. True

Indicate whether each statement is true or false: 1. Extension of the elbow is accomplished by the triceps brachii and the anconeus. 2. Flexion of the elbow is accomplished by the brachialis, the biceps brachii, and the coracobrachialis. 3. Supination of the forearm and hand is accomplished by the supinator and the biceps brachii. 4. Pronation is a function of the pronator quadrates and the pronator teres.

1. True 2. False 3. True 4. True

When one is suffering from a "pulled groin," a muscle often involved is?

Adductor Longus

Which of the following muscles attaches on the head of the fibula?

Biceps femoris

Damage to the muscle called the levator ani would result in

Both "difficult defecation" and "decreased support for the pelvic viscera" are correct.

Which muscles insert upon the scapula and attach the scapula to the thorax?

Deltoid / Levator scapulae/ Rhomboideus muscles / Serratus anterior/ Trapezius

Which of the following muscles are named based on their shape? (Check all that apply.)

Deltoid / Orbicularis oris / Pectoralis major / Superior rectus

The following facial muscles depress the lip or mouth?

Depressor anguli oris/ Platysma/ Depressor labii inferioris:

The lateral leg muscles have which actions on the foot?

Dorsiflexion/ Eversion

Which muscle extends the four lateral toes?

Extensor digitorum longus

Muscles can be classified based on their shape and fascicle orientation. Which shape has muscle fibers that run the length of the muscle and taper at each end?

Fusiform

Which of the following is inserted on the calcaneus by the Achilles tendon?

Gastrocnemius

Which of the following muscles is used when walking on your tiptoes?

Gastrocnemius

Which of the following muscles is part of the rotator cuff?

Infraspinatus

Which of the following muscles contracts during forced expiration?

Internal intercostals

Which thoracic muscles are involved in expiration?

Internal intercostals/ Scalene muscles

Which back muscle originates on the vertebral spinous processes?

Interspinales

Hannah has damaged her left deltoid muscle. Which of the following actions would least likely be affected by the damage?

Moving her arm medially

Which muscles is involved in swallowing?

Palatopharyngeus

Which muscle acting on the arm assists in deep inspiration?

Pectoralis major

The rectus femoris is an example of which muscle shape?

Pennate

Which of the following is a group of four muscles in the anterior thigh?

Quadriceps femoris

Which of the following muscles is named for its location?

Quadriceps femoris

Of the following muscles of the leg, which one is on the anterior side of the leg?

Tibialis anterior

Which muscle dorsiflexes and inverts the foot?

Tibialis anterior

Which abdominal wall muscle inserts on the xiphoid process and the linea alba?

Transversus abdominis

Which of the following muscles is named for its shape?

Trapezius

Indicate whether each statement is true or false: The lateral leg muscles primarily evert the foot, but they can also aid in plantar flexion

True

Indicate whether each statement is true or false: The muscles of the posterior compartment of the leg can plantar flex and invert the foot, and can also flex the toes

True

Muscle classes are based on the orientation of the fasciculi, bundles of muscle fibers that can be distinguished by the unaided eye. true or false?

True

Straight muscles have fasciculi arranged in parallel lines to the long axis of the muscle; an example of this arrangement can be seen in the sternohyoid muscle. True or False?

True

The fasciculi of pennate muscles are arranged like the barbs of a feather on sides of a common tendon. True or False?

True

The rotational movement of the vertebral column is assisted by both the internal and external obliques. True or False?

True


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