The heart and blood vessels are the primary organs of the ________ system.

The skeletal muscles that contract and shorten to move the bones form the ________ system.

The ________ system rids the body of indigestible food residue in feces while the ________ system removes nitrogen-containing metabolic waste in urine.

The ability to sense a mosquito landing on your arm and swat it away is described as ________.

When body temperature rises above 37°C, sweat glands release sweat to cool the body. What part of this negative feedback mechanism is the sweat gland?

In anatomical position, the palms of the hands are assumed to be facing ________.

The central region of the thoracic cavity containing the heart is called the ________.

The right and left iliac (inguinal) regions are lateral to the ________ region.

The diaphragm creates a ________ section by dividing the ventral body cavity into superior and inferior subdivisions.

The two major internal body cavities are the ________ cavity and the ________ cavity.

Which body cavity can be further subdivided into quadrants and regions?

The epigastric region is ________ to the right hypochondriac region of the abdominopelvic cavity.

The study of the structure and shape of the body and its parts and their relationships to one another is called ________.

Which of the following levels of organization is inclusive of all others?

The structural and functional unit of all living things is the ________.

Which of the following is not a structural component of the nucleus?

What are the three basic parts or regions of a cell?

The membrane connections that prevent the leaking of fluid between cells are called ________.

Muscle cells need abundant ATP for contractions. Which organelle must commonly be found in muscle cells to accommodate ATP production?

The passive process that involves the movement of water through aquaporins is ________.

What separates the intracellular fluid from the extracellular fluid?

The nucleotides of DNA join in a complementary way in which adenine pairs with ________ while cytosine pairs with ________.

The period of the cell cycle when the cell grows and performs its metabolic activities is ________.

The DNA segment that carries information for building one protein or polypeptide chain is called a(n) ________.

Groups of cells that are similar in both structure and function are known as ________.

Which of the following is not a hallmark feature of epithelial tissues?

The specific type of epithelial tissue found lining organs of the digestive system such as the small intestine is ________.

Tendons and ligaments are classified as ________.

The type of muscle found in the walls of hollow organs, such as the stomach, and in the walls of blood vessels is ________.

The pleura and pericardium are examples of ________ membranes that cover organs in a body cavity closed to the exterior.

The ________ membrane lines the fibrous capsule surrounding joints.

The skin and its appendages (nails, glands, and hairs) are collectively called the ________.

Which of the following is a vital function of the integumentary system?

Although you get wet while swimming, which protein makes the epidermis a tough protective layer?

The epidermis is composed of ________.

The outermost layer of the epidermis is keratinized and known as stratum ________.

Which of these layers directly connects to the dermis?

What provides toughness to the dermis and holds water in this skin layer?

Which of the following contains chemicals that kill bacteria and prevent bacterial invasions of the skin?

The gland that produces sweat is indicated by ________. (Use the document: sweat gland = Label E)

The sebaceous and sweat glands associated with the skin are classified as ________ glands because they release secretions on to the skin's surface via ducts.

Which of the following is the least malignant and most common skin cancer that affects the cells of stratum basale?

A nurse tends to a patient with a sunburn. She sees blisters and red, swollen skin. The patient complains of pain. What feature of this burn distinguishes it from a first-degree burn?

A physician estimates the volume of fluid lost in a severely burned patient by ________.

Which of the following is not a function of the skeletal system?

What bones protect the spinal cord?

Cube-shaped bones that contain mostly spongy bone are called ________ bones.

Small canals that connect osteocytes in their lacunae to the central canal are known as ________.

The process of bone formation is known as ________.

Mothers who breast-feed their children will lose a percentage of calcium from their bones. Which hormone is responsible for raising blood calcium levels when they drop below homeostatic levels?

An eighty-six-year-old woman has lost several inches of height due to crushed bone in her vertebrae. What type is common in osteoporotic bones of older people?

The skull, vertebral column, and thoracic cage form the ________ skeleton.

The temporal bones are joined with the parietal bones at the ________ sutures.

From superior to inferior, what is the correct order of the vertebrae?

The head of the humerus fits into the ________ of the scapula.

Two or more bones meet at a location called a(n) ________.

Immovable joints are functionally classified as ________.

What does collagen contribute as a component of bone?

Which of the following could create an open, or compound, fracture?

Striated involuntary muscle tissue found in the heart is ________.

What organelle wraps and surrounds the myofibril and stores calcium?

Muscle tissue has the ability to shorten when adequately stimulated, a characteristic known as ________.

One neuron and all the skeletal muscles it stimulates is known as a ________.

According to the sliding filament theory, how does muscle contraction occur?

The method that regenerates the most ATP during muscle activity is ________.

A smooth, sustained contraction, with no evidence of relaxation, is called ________.

The point of muscle attachment to an immovable or less movable bone is known as the ________.

Which of the following is not a function of the muscular system?

What is released by axon terminals into the synaptic cleft to stimulate a muscle to contract?

Which organelle stores calcium in muscle fibers?

Why are calcium ions necessary for skeletal muscle contraction?

What enzyme breaks down acetylcholine into acetic acid and choline to prevent continued contraction of the muscle fiber?

Which of the following is a type isometric exercise in which muscles increase in size and strength?

Which one of the following is not a criterion generally used in naming muscles?

What are the two main functional subdivisions of the nervous system?

What cells form the myelin sheaths around nerve fibers in the PNS?

Support cells in the central nervous system are collectively called ________.

The part of the neuron that typically conducts nerve impulses away from the cell body is the ________.

The gaps between Schwann cells found at regular intervals in peripheral system neurons are called ________.

Sensory receptors located in muscles and tendons are termed ________.

A polarized neuron is characterized by the presence of more ________ ions outside the cell and more ________ ions inside the cell.

Myelinated fibers form ________ matter while unmyelinated fibers form ________ matter.

What type of neuron connects sensory and motor neurons in neural pathways?

After repolarization, what ions are pumped out of the cell?

The thalamus, hypothalamus, and epithalamus collectively constitute the ________.

The brain and spinal cord are protected and cushioned by three connective tissue membranes that are collectively called ________.

Cerebrospinal fluid is formed from blood by clusters of capillaries in the brain known as ________.

Which of the following indicates a contusion?

Which branch of the autonomic nervous system mobilizes the body during extreme situations, such as rage or fear?

The membrane that covers the outer surface of the eye and lines the eyelids is the ________.

Which gland is located above the lateral end of each eye and releases tears?

The fibrous covering of the eye consists of the white outer layer known as the ________, and a transparent portion known as the ________.

Which layer of the eye contains photoreceptors known as rods and cones?

Which portion of the retina contains a concentration of cones?

The biconvex structure that focuses light on the retina is the ________.

What separates the aqueous humor in the anterior segment from the vitreous humor in the posterior segment of the eye?

What is the ability of the eye to focus on close objects?

Fibers from the medial side of each eye cross over to the opposite side of the brain at the ________.

The membrane that divides the outer ear from the middle ear is the ________.