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