10. Muscles

The chewing muscles that protract the mandible and produce side-to-side grinding movements are the

a. Buccinators

b. Masseters

c. Temporalis

d. Pterygoids

Based on the name, how would you expect the orbicularis oris muscle to be shaped?

If 'adductor' is part of the name of a muscle, what does that tell you about the muscle?

a. It is a wide muscle.

b. It is a long muscle.

c. It raises a body part.

d. It pulls a body part toward the midline.

Knee extensors known as the quadriceps femoris consist of the

(a) Three vastus muscles and the rectus femoris

(b) Biceps femoris, gracilis, and sartorius

(c) Popliteus, iliopsoas, and gracilis

(d) Gastrocnemius, tibialis, and peroneus

Which of the erector spinae muscles is most lateral to the vertebral column?

a. Spinalis muscle

b. Iliocostalis muscle

c. Semispinalis muscle

d. Longissimus muscle

Differentiate between the arrangement of elements (load, fulcrum, and effort) in first-, second-, and third-class levers.

Which of the following muscle groups is considered muscles of inspiration?

a. External intercostal muscles

b. Internal intercostal muscles

c. External oblique muscles

d. Internal oblique muscles

The muscle that rotates the eye medially is the

(a) Superior oblique

(b) Inferior rectus

(c) Medial rectus

(d) Lateral rectus

Which criterion (or criteria) is/are used in naming the gluteus medius?

a. Relative size

b. Muscle location

c. Muscle shape

d. Action

e. Number of origins

Which muscles act to propel food down the length of the pharynx to the esophagus?

The powerful flexor of the hip is the

(a) Piriformis

(b) Obturator

(c) Pectineus

(d) Iliopsoas

Name four criteria used in naming muscles, and provide an example (other than those used in the text) that illustrates each criterion.

Muscles that depress the hyoid bone and larynx include all but the:

a. Sternohyoid

b. Omohyoid

c. Geniohyoid

d. Sternothyroid