TEST 4 (Chapter 10)
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
