Unit 2 Exam HHP
A resting muscle generates most of its ATP by
aerobic respiration.
The nail ________ covers the nail bed.
body
Exposure of the skin to ultraviolet light
can increase melanocyte activity.
Osseous tissue is classified as which of the following?
connective tissue
Which feature is the attachment point for the temporalis muscle, a powerful muscle that closes the jaw?
coronoid process
The bony compartment that supports the brain is called the
cranium.
The ________ ligaments of the knee cross each other as they attach the tibia to the femur.
cruciate
Projections of loose connective tissue from the dermis, which extend upward between the adjacent ridges of the epidermis, are called
dermal papillae.
This layer is composed of a high concentration of collagen fibers.
dermis
Which of the following muscles acts to flex the finger joints and wrist?
flexor digitorum
A burn that destroys only the superficial cells of the epidermis, such as a mild sunburn, is classified as
first-degree.
The areas of fibrous connective tissue that exist between cranial bones at birth are called
fontanels.
The muscle that inserts on the iliotibial tract and gluteal tuberosity of the femur is the
gluteus maximus.
The hypodermis
is quite elastic.
Which coxal bone feature supports the body's weight when one is sitting?
ischial tuberosity
The function of the secretion of a sebaceous gland is
lubrication.
Modified and specialized sweat glands that produce milk are called ________ glands.
mammary
Which of the following is a muscle that originates from the zygomatic arch and functions in elevating the mandible?
masseter
The lowest level of cells of the strata, marked E, consists of
mitotically active epithelial cells.
Which cells are very sensitive to calcium levels in the blood?
muscle cells
The less-movable end of a skeletal muscle is the
origin
Thick skin can be found on the
palms of hand and soles of feet
A sheath of connective tissue surrounding a bundle of striated muscle fibers is called
perimysium.
The connective tissue covering the outer surface of a bone is (the)
periosteum.
Botulism
results from a bacterial toxin that prevents the release of acetylcholine at the axon terminals.
The area between Z lines is the
sarcomere.
Which of the following is a carpal bone?
scaphoid
Jason fractured his pisiform bone in an accident. What part of his body is injured?
wrist
Which of the following is characteristic of cardiac muscle?
Cardiac muscle cells are striated.
Your 86-year-old grandfather and you have been out in the midday heat of summer (92 degrees F). Your grandfather becomes dizzy and thinks that he might faint. He also appears to be confused about what is going on. What conclusion can you draw from this scenario?
He has heat exhaustion, related to not being able to eliminate excess body heat.
Which of the following is true about red muscles?
Red muscles are slower than white muscles.
Which of the following is an effect of aging on the muscular system?
Skeletal muscle fibers become smaller in diameter.
You fell on the concrete walkway and scraped your leg against the solid surface, which created a two-inch by three-inch area that is not bleeding. This would be called a(n)
abrasion
A downward movement toward the longitudinal axis of the body in the frontal plane is termed
adduction.
The glands that begin discharging a sticky, cloudy, and potentially odorous secretion at puberty are called ________ glands.
apocrine
Smooth muscle cells
are spindle-shaped.
The subcutaneous layer consists of
areolar and adipose tissues.
A muscle that inserts on the radial tuberosity or the ulnar tuberosity is most likely involved in
elbow flexion.
Acetylcholinesterase is found within the
erector spinae
Which muscle would not move the scapula?
erector spinae
Through which mechanism does perspiration function in cooling the body?
evaporation
Skeletal muscle fibers differ from "typical cells" in that these muscle fibers
have many nuclei.
The lipid in oil glands is released through which type of secretion?
holocrine
Lipid is concentrated with the cells of the
hypodermis.Jason fractured his pisiform bone in an accident. What part of his body is injured?
The occipital bone articulates with the first cervical vertebra at the
occipital condyles.
The reticular layer's collagen fibers directly provide which function?
prevent damage to the tissue
A crest on a bone is defined as a(n)
prominent ridge.
Moving a part of the body anteriorly in the horizontal plane is called
protraction.
A person whose genetic makeup makes him or her a better marathon runner than a sprinter probably has more ________ in his or her leg muscles.
slow fibers
The vertebral arches contribute structurally to surround and protect the
spinal cord.
The suture that forms the articulation of the parietal bone with the temporal bone is the ________ suture.
squamous
The jugular notch is a structural feature of the
sternum
The deepest layer of cells in the epidermis is the cells of the
stratum basale.
A fibrous joint in which the bones are held together by a ligamentous connection is a
syndesmosis
Regarding a skeletal muscle fiber, wherever a T-tubule encircles a myofibril, the tubule is tightly bound to
the sarcoplasmic reticulum.
The patellar ligament connects the patella to the ________ just below the knee joint.
tibial tuberosity
Tom is having difficulty dorsiflexing and inverting his right foot. Which muscle is most likely involved in this problem?
tibialis anterior
Spongy bone is made up of a network of bony rods or plates called
trabeculae