systemic tests

13) Muscles in the anterior compartment of the forearm are:

c) flexors of the wrist and digits

30) The phrenic nerve arises from the cervical plexus. Select the structure(s) served by it.

e) diaphragm

42) Which best describes the lacrimal bone?

e. houses a structure that gathers tears

43) Which of the following is found on the posterior distal surface of the humerus?

e. olecranon fossa

50) The cerebral cortex is located where?

c) cerebrum

23) The gray matter of the spinal cord:

c) contains neuronal cell bodies.

5) When examined microscopically, striations are visible in the _____ muscle tissues.

Cardiac and skeletal

In the skeletal muscle, the sarcoplasmic reticulum

Releases ca to trigger contractions

4) A bundle (fascicle) of skeletal muscle fibers (cells) is separated from neighboring bundles by perimysium.

True

8) A somatic motor neuron together with all the skeletal muscle fibers (cells) it stimulates is called a motor unit.

True

26) A typical reflex arc involves the following components: 1. sensory neuron 2. motor neuron 3. sensory receptor 4. integrating center 5. effector The correct order is:

a) 3, 1, 4, 2, 5

33) Which of the following is FALSE regarding the sciatic nerve? It:

a) arises from the lumbar plexus.

32) From which plexus does the ulnar nerve arise?

a) brachial

45) Select the best description of a white ramus:

a) contains sympathetic preganglionic axons

34) A midsagittal section of the brain would pass through which of the following?

a) longitudinal fissure b) corpus callosum c) falx cerebri d) all of these choices******

39) The postcentral gyrus is in the _____ lobe of the cortex; it contains the primary _____ area.

a) parietal, somatosensory

9) The greater tubercle of the humerus is the point of insertion of which of the following muscles?

a) supraspinatus

18) A synapse is a functional junction between:

a) two neurons. b) a neuron and a muscle cell. c) a neuron and a glandular cell. d) all of these choices**********

42) Masses of myelinated nerve fibers appear?

a) white

10) The hardness of bone is due to crystallized inorganic mineral salts such as calcium phosphate. The flexibility and tensile strength of bone are due to organic molecules such as collagen fibers.

a. Both statements are true.

24) Which of the following is true of the radius?

a. It is the medial bone of the forearm. b. Its head articulates with the distal end of the ulna. c. It articulates with the trochlear notch of the humerus. d. none of these choices******

35) What structure(s) of the synovial joint absorb(s) shock from external forces that are placed on it?

a. articular cartilage b. synovial fluid c. hyaline cartilage covering the articulating surface of bones d. all of these choices---------

16) The frontal bone

a. contributes to the sagittal suture b. forms part of the floor of the orbit c. articulates with the mandible d. articulates with the occipital bone e. none of these choices****

6) Serous membranes are associated with the

a. pleural cavity b. pericardial cavity c. abdominal cavity d. all of these choices******

20) What pair of skull bones contributes to the only freely movable joint of the head?

a. temporal and mandible

7) Which of the following statements is false?

a. the diaphragm separates the abdominal cavity from the pelvic cavity

9) Which one of the following is characteristic of spongy bone tissue, but not of compact bone tissue?

a. trabeculae

10) Which of the following is/are TRUE? 1. Synergists are muscles that oppose the agonist. 2. Agonists contract while the antagonists relax. 3. The biceps brachii and the triceps brachii are an antagonistic pair.

b) 2, 3 only

17) _____ (or motor) impulses travel from the _____ to the _____ (muscles or glands).

b) Efferent, central nervous system, effectors

31) Select the muscle(s) served by the obturator nerve.

b) adductor muscles of thigh

25) The main plexuses formed by the anterior (ventral) rami of spinal nerves are:

b) cervical, brachial, lumbar, and sacral.

43) Which of the following is not a type of neuroglial cell (helper)?

b) kupfer cell

40) A block of which nerve would provide anesthesia to the lower teeth and chin?

b) mandibular branch of the trigeminal nerve

14) Which of the following muscles extends the leg at the knee and aids in flexion at the hip?

b) rectus femoris

6) The deltoid muscle is named according to:

b) relative shape of the muscle.

29) Select the structure(s) served by the radial nerve.

b) triceps brachii

41) In the motor (corticospinal) pathway how many neurons carry the signal to the myofibers

b) two

32) Which of the following terms could describe a joint at which flexion and extension are the only movements?

b. 2 and 3

12) An osteon (haversian system) is

b. a structural unit of compact bone

22) Which best describes the occipital bone?

b. bears condyles that form the atlanto-occipital joints

23) Which best describes a typical cervical vertebra?

b. contains transverse foramina

46) Which of the following is not a tarsal bone?

b. hamate

28) The ulna:

b. has a radial notch on its lateral surface

14) Which of the following best describes a tuberosity?

b. large, rounded, usually roughened surface for muscle attachment

25) Which of these does not belong to the distal row of carpal bones?

b. pisiform

34) The primary type of movement permitted at a pivot joint is

b. rotation

The action that moves the palm of the hand into anatomical position is

b. supination

30) A _____ is a type of joint in which two bones are held together by a disc of fibrocartilage.

b. symphysis

17) Which skull bone contains the mandibular fossa, mastoid process, styloid process, and zygomatic process?

b. temporal

27) Using the following directional terms, decide which bone is being described: proximal to metacarpal I; distal to the scaphoid bone; and lateral to the trapezoid bone.

b. trapezium

37) In what part of the brain would you find the arbor vitae?

c) cerebellum

19) Dendrites are processes (cell extensions) of a neuron that:

c) carry nerve impulses into the neuron cell body

47) Which division of the autonomic nervous system is the specialized network of nerves and ganglia forming a complex, integrated neuronal network within the wall of the gastrointestinal tract, pancreas, and gallbladder ?

c) hypothalamus

27) Which peripheral nerves are responsible for cutaneous sensation from the skin of the anterior abdominal wall as well as motor innervation to anterior abdominal wall muscles?

c) intercostal (thoracic) nerves

3) Cardiac muscle is best characterized by which of the following:

c) single nucleus, involuntary, with intercalated discs

24) The senses of pain and temperature are conveyed to the brain by:

c) spinothalamic tracts.

11) Which of the following muscles rotates the head when contracted unilaterally?

c) sternocleidomastoid

7) Of the muscles that move the forearm, two have points of origin on the scapula. They are the biceps brachii and the:

c) triceps brachii

44) The number of phalanges in one hand is

c. 14

31) The articular cartilage

c. 3 and 4 only

18) The mandible has condylar processes and coronoid processes.

c. The condylar process is articular; the coronoid process is for muscle attachment.

26) The cup-shaped depression formed by all three portions of the hip (coxal) bone is the _____.

c. acetabulum

8) Functions of the skeletal system do NOT include

c. control of body temperature

19) Membrane-filled spaces between cranial bones of an infant skull are called:

c. fontanels

49) Which feature goes with the knee joint?

c. medial and lateral menisci

13) Canaliculi allow nutrients to diffuse to mature bone cells located within lacunae of the osteon. Which of the following are those mature bone cells?

c. osteocytes

37) A good description for a condyloid (ellipsoidal) joint is

c. oval-shaped projection fits into an oval depression

36) Which feature goes with the elbow joint?

c. radial collateral ligament

5) A _____ section of the body or organ would divide the organ into its right and left side

c. sagittal

48) The fifth cranial nerve (trigeminal nerve) provides sensory information from the face. The three branches of the trigeminal nerve pass from the periphery of the face to the brain through three separate foramina. Which cranial bone contains the foramina for passage of branches of the trigeminal (V) nerve?

c. sphenoid

29) Which of the following pairs of terms is most closely associated or matched?

c. talocrural (ankle), diarthrosis

4) An accident report submitted by an officer who is a former anatomy student contains the following statement: "The victim suffered a severe blow to the mental region." This means

c. the victim was struck on the chin

2) What anatomical structure is being described using the following anatomical terms: medial to the ear (otic); lateral to the nose (nasal); inferior to the eye (orbital); and superior to the maxillary (upper) teeth?

check (bucca)

36) Inability to control eyeball movement may indicate damage to which cranial nerve(s)? 1. trochlear IV 2. optic II 3. oculomotor III 4. trigeminal V 5. abducens VI

d) 1, 3, 5

16) Two muscles that insert on the angle and ramus of the mandible, and that elevate the mandible are: 1. masseter 2. medial pterygoid 3. lateral pterygoid 4. temporalis

d) 1, 4

46) Select the best description of the thoracic and upper lumbar lateral gray horns:

d) contain sympathetic preganglionic cell bodies

21) Select the best description of the ependymal cells:

d) form lining of brain ventricles

15) A _____ refers to a small mass of nervous tissue, consisting primarily of neuron cell bodies, outside of the brain and spinal cord.

d) ganglion

44) Which of the following responses is a result of sympathetic stimulation?

d) increased rate and depth of breathing

49) Almost all sensory impulses pass through what structure on their way to the cerebral cortex?

d) thalamus

38) The cranial nerve which conveys parasympathetic control of most organs of the thoracic and abdominal cavities is

d) vagus (X) nerve

20) Which of the following pairs of terms is most closely matched?

d) white matter, tracts in the central nervous system

39) The word "dorsum" may be used to describe the 1. back of the hand 2. anterior surface of the body 3. top of the foot

d. 1 and 3

11) A characteristic of osteoclasts is that they

d. are responsible for the destruction (resorption) of matrix and the release of calcium into the bloodstream

38) Which joint shows a pivot motion?

d. between atlas and dens of axis

45) The patellar surface, with which the patella articulates, is located on the _____ end of the _____.

d. distal, femur

40) The ethmoid bone does NOT contain

d. inferior nasal conchae

47) Structures that are most responsible for holding bones together at a synovial joint are

d. ligaments

41) The bone that consists of five fused bones, is triangular, and serves as one of the boundaries of the pelvic cavity is the:

d. sacrum

15) Which of the following best describes a facet?

d. smooth, flat surface

21) Which portion of a vertebra DOES NOT surround the spinal cord to keep it protected from injury?

d. transverse process

the heart is located

pericardial cavity

28) Which of the following contains sensory information ONLY?

posterior (dorsal) root