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Criado por anna.d.mcgrew
mais de 10 anos atrás
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The ___ glands in the axilla become active at the time of puberty
The ___ glands in the axilla become active at the time of puberty
The layer of the skin that contains the blood vessels and nerves that are closest to the surface of the skin is the ____ layer
The layer of the skin that contains the blood vessels and nerves that are closest to the surface of the skin is the ____ layer
All of the following are true of the subcutaneous layer, EXCEPT it
-is attached to the dermis by a basement membrane
-is well supplied with nerves that pass into the skin
-contains large amounts of adipose tissue
-contains many blood vessels
-permits independent movement of deeper structures
All of the following are true of the subcutaneous layer, EXCEPT it
-is attached to the dermis by a basement membrane
-is well supplied with nerves that pass into the skin
-contains large amounts of adipose tissue
-contains many blood vessels
-permits independent movement of deeper structures
the type of cells that form the strata in the epidermis are
the type of cells that form the strata in the epidermis are
the layer of diving cells at the base of the epidermis is the
the layer of diving cells at the base of the epidermis is the
Each of the following is a function of the integumentary system, except
-protection of underlying tissue
-maintenance of body temperature
-provision of sensation
-excretion of salts and wastes
-synthesis of vitamin C
Each of the following is a function of the integumentary system, except
-protection of underlying tissue
-maintenance of body temperature
-provision of sensation
-excretion of salts and wastes
-synthesis of vitamin C
The layer of the skin that contains bundles of collagen and elastic fibers responsible for the strength of the skin is the ___ layer
The layer of the skin that contains bundles of collagen and elastic fibers responsible for the strength of the skin is the ___ layer
When the arrector pili muscles contract
When the arrector pili muscles contract
Accessory structure of the skin include all of the following, except
Accessory structure of the skin include all of the following, except
The two components of the integumentary system are the
The two components of the integumentary system are the
The central canal of an osteon contains
The articular cartilage of a typical long bone is composed of what type of cartilage
Cartilage is separated from surrounding tissues by a fibrous
Chondrocytes are to cartilage as osteocytes are to
The trabeculae of spongy bone
The type of cartilage that is found in the external ear is
In compact bone, the osteons
-are lacking in the diaphysis
-are separated by medullary spaces
-are lined up perpendicular to long axis
-are lined up in the same direction
-are arranged in an irregular pattern
Which of the following is a characteristic of bone?
-the matrix of the bone contains chondroctin sulate
-the matrix of the bone is very dense and contains deposits of calcium salts
-the matrix of the bone is very light and contains deposits of hyaluronic acid
Which of the following labels best matches osteocyte
-stem cell
-secretes organic matrix
-mature bone cell
-dissolves matrix
The most common type of cartilage is ____ cartilage
The narrow passageways that contain cytoplasmic extensions of osteocytes are called
The space occupied by an osteocyte is called a
The rib cage is part of the axial or appendicular skeleton?
The region of a long bone between the end and the shaft is known as the
Which of the following is not a bone of the axial skeleton?
-sternum
-rib
-skull
-vertebrae
-clavicle
Which of the following is a function of the skeletal system?
-blood cell production
-calcium homeostasis
-body support
-protection of internal organs
-all of the choices are correct
The lining of the medullary cavity is called the
Which of the following is not part of the appendicular skeleton?
-radius
-hyoid
-humerus
-ulna
-carpal
A deep hollow on a bone is called a
The pectoral girdle is part of the axial or appendicular skeleton?
A shallow depression in a bone is called a
The medullary cavity of bones contains
Fat is stored within the
The smooth, rounded articular process of a bone is called a
A sharp slender process is a
The shaft of a long bone is called the
A hole through a bone is called a
Which of these is not considered one of the bones of the face?
-maxilla
-mandible
-zygomatic
-vomer
-frontal
Which of these is a forearm bone?
-tibia
-fibula
-humerus
-femur
-radius
The suture that forms the articulation of the parietal bones with the frontal bone is the ___ suture
Which of the following is not part of the axial skeleton?
-pectoral girdle
-skull
-auditory ossicles
-hyoid bone
-vertebral column
The largest component coxal bone is the
The tarsus contains _(#)_ bones
The longest and heaviest bone in the body is the
The paranasal sinuses are located in all of the following bones except the
-maxillae
-frontal
-ethmoid
-zygomatic
-sphenoid
The ribs articulate with the
-thoracic vertebrae
-cervical vertebrae
-lumbar vertebrae
-spinous process
-all of the choices are correct
The odontoid process is found on the
The hypophyseal fossa of the sella turcica contains the ___ gland
the bones that form the fingers are the
humans normally have ___ pairs of ribs
Which foot movement enables the ballerina to stand on her toes
The movements known as dorsiflexion and plantar flexion involve moving the
The ligament that provides support to the front of the knee joint is the
The back of the knee joint is reinforced by ___ ligaments
In the knee joint the medial and lateral menisci
-are carilages that bind the knee to the tibia
-both A and D
-act as cushions and conform to the shape of the articulating surfaces
-take the place of bursae
-are found between the patella and femur
A twisting motion of the foot that turns the sole outward is
An extension past the anatomical position is called
The medial surface of the knee joint is reinforced by the ___ ligament
a movement away from the midline is
Which of the following is a good example of supination
-spreading fingers
-turning palm up
-moving hand toward shoulder
-extreme bending head backward
-opening mouth
Which of the following is a good example of depression?
-spreading fingers
-moving hand toward shoulder
-extreme bending head backward
-turning palm up
-opening the mouth
Which of the following is not characteristic of smooth muscle
-thin filaments are attached to dense bodies
-do not contain sarcomeres
-forms tendons and aponeuroses
-uninucleate
-neurons that innervate are under involuntary control
interactions between actin and myosin of sarcomere are responsible for
Compared to "typical" body cells, skeletal muscle cells are
-filled with crystaline 3D arrays of fibrous proteins
-multinucleate
-larger than normal
-capable of rapid shortening against load
-all correct
The types of muscle tissue include all of the following except
-cardiac
-skeletal
-smooth
-striated
-none
The plasma membrane of skeletal muscle is called the
The dense layer of connective tissue that surrounds an entire skeletal muscle is the
Which of the following best describes the term Z line?
-repeating unit of striated myofibrils
-largely made of myosin
-storage site for calcium
-protein that accounts for elacsticity of resting muscle
-thin filaments are anchored here
Which of the following is a recognized function of skeletal muscle
-maintain body temp
-maintain posture
-produce movement
-guard body entrances and exits
-all of the above
The area in the center of the A band that contains no thin filaments is the
At the end of the muscle, the collagen fibers of the epimysium, and each perimysium and endomysium, come together to form a
a single motor neuron together with all the muscle fibers it innervates is called
The region of the sarcomere containing the thick filaments is the
Muscle tissue, one of the four basic tissue groups, consists chiefly of cells that are highly specialized for
The skeletal muscle complex known as the triad consists of
The thin filaments of striated muscle are made of which protein(s)?
-troponin
-nebulin
-tropomyosin
-actin
-all of the above
Each skeletal muscle fiber is controlled by a motor neuron at a single
The "kissing muscle" that purses the lips is the
What is the main muscle of respiration
Which of the following muscles compresses the abdomen
-external oblique
-rectus abdominis
-diaphragm
-all of the above
The ____ convers the anterior surface of the neck
Which of the following muscles does not elevate the mandible?
-temporalis
-masseter
-medial pteregoid
-platisma
A muscle that inserts on the body of the mandible is probably involved in
Which muscle compresses the prostate gland in males?
The ___ muscle is the strongest jaw muscle
Which muscle is not involved in mastication?
-mentalis
-temporalis
-maseter
-lateral pteregoid
-medial pteregoid
A muscle that flexes the spinal column is the
-spinalis
-rectus abdominis
-sacrospinalis
-iliocostalis
-longissimus
Which of the following si not primarily a muscle of facial expression?
-orbicularis oris
-mentalis
-risorius
-buccinator
-masseter
Which of the following muscles is found within the pelvic floor?
-ischiocavernosus
-erineal group
-coccygeus
-bulbospongiosus
-all of the above
The muscle that extends the arm while doing push-ups is the
Which of the following does not move the shoulder girdle?
-pectoralis major
-deltoid
-rhomboid
-serratus anterior
-trapezius
Which of the following is a member of the hamstring group?
-semitendinosus
-semimembranosus
-biceps femoris
-all of the above
The powerful abductor muscle of the upper arm is the
Muscles that laterally rotate the thigh include all of the following except the
-gluteus maximus
-tensor fasciae latae
-obturator externus
-piriformis
-obturator internus
The muscle that pronates the forearm and opposes biceps brachii is the
The muscle that adducts and rotates the scapula laterally is the
Which of the following describes the action of the serratus anterior?
-medial rotation of humerus
-adducts the arm
-protracts the shoulder, abducts and medially roates the scapula
-adducts and flexes the humerus
-lateral rotation of the humerus
Muscles that insert on the olecranon process of the ulna can act to
A muscle that adducts the humerus is the
-deltoid
-trapezius
-bracialis
-latissimus dorsi
Functions of astrocytes include all of the following except
-maintaining the blood-brain barrrier
-conducting action potentials
-forming a 3D framework for the CNS
-responding to neural tissue damage
-guiding neuron development
Which of the following is not a recognized structural classification for neurons?
-bipolar
-anaxonic
-pseudopolar
-unipolar
-multipolar
___ neurons are small and have no anatomical features that distinguish dendrites from axons
___ neurons form the afferent division of the PNS
Which of the following is not a function of the neuroglia?
-phagocytosis
-secretion of CSF
-support
-maintenance of the blood-brain barrier
-memory
clusters of RER and free ribosomes in neurons are called
Branches that may occur along an axon are called
Neurons that have one axon and one dendrite, with the soma in between, are called
The axon is connected to the soma at the
Damage to the ependymal cells would most likely affect the
-repair of axons
-formation of CSF
-transport of neurotransmitters within axons
-formation of myelin sheaths
-formation of ganglia
The myelin sheath that covers many CNS axons is formed by
Axons terminate in a series of fine extensions known as
The cytoplasm that surrounds the nucleus of a neuron is called the
Neurons that have several dendrites and a single axon are called
Glial cells that surround the neurons in ganglia are
Which of the following are a type of glial cell found in the PNS?
-oligodendrocytes
-microglia
-satellite cells
-ependymal cells
-astrocytes
Enlargements of the spinal cord occur
The ___ nerve, which arises in the cervical plexus, innervates the diaphragm
The outward projections from the central gray matter of the spinal cord are called
The white matter of the spinal cord contains
The dorsal root ganglia mainly contain
In which plexus does the ulnar nerve arise
The spinal cord consists of 5 regions and _(#)_ segments
The ___ is a strand of fibrous tissue that provides longitudinal support as a component of the coccygeal ligament
The outermost connective-tissue covering of nerves is the
Spinal nerves are
-purely sensory
-purely motor
-interneuronal
-involuntary
-both sensory and motor
The specialized membranes that surround the spinal cord are called the
In the spinal cord, white matter is separated into ascending and descending tracts organized as
The cranial nerves that innervate the eye muscles are
Which of the following is a function of the hypothalamus
-controls autonomic centers
-secretes oxytocin
-regulates body temperature
-produces ADH
-all of the above
Autonomic centers that control blood pressure, heart rate, and digestion are located in the
The dural fold that projects into the longitudinal fissure between cerebral hemispheres is called the
The cranial nerve that has three major branches is the
The visual cortex is located in the
A neural cortex is found on the surface of the
The two cerebral hemispheres are separated by the
The tentorium cerebelli separates which two brain regions?
The ___ covers most of the exposed surface of the eye
The part of the eye that determines eye color is the
All of the following are true of the fibrous tunic of the eye, except that it
-consists of the sclera, limbus, and cornea
-contributes substantial focusing power
-produces aqueous humor
-is where extrinsic eye muscles insert
-provides mechanical support and some protection for the eye
The middle ear communicates with the nasopharynx through the
The structure that overlies the organ of Corti is the
The vitreous body
What structure changes the shape of the lens for far and near vision?
Which of the following is true of the vascular tunic of the eye?
-secretes and reabsorbs the aqueous humor
-regulates the amount of light entering eye
-controls shape of lens
-provides a route for blood vessels and lymphatics that supply tissues of the eye
-all of the above
The senses of equilibrium and hearing are provided by receptors of the