The thick layer of the heart wall that contains contractile cardiac muscle tissue is the:

The most potent of all mechanisms and substances that the body uses to regulate blood pH are:

Cilia of the trachea that beat continually propel contaminated mucus:

The lipid molecule critical to lung function that coats the gas-exposed alveolar surfaces is called:

Which of the following is a blood clotting disorder

The blood-brain barrier is effective against the passage of

The sella turcica is part of the _____ bone

The bluish cast that results from inadequate oxygenation of the skin and mucosa is called:

Generalized vasoconstriction occurs as a result of

Which one of the following correctly lists the order of the parts through which light passes as it enters the eyes

Which one of the following is NOT absorbed by the human large intestine:

Which one of the following is NOT an autoimmune disease:

Osteons are characteristic of:

Identify the type of tissue that is found in lymph nodes, the spleen, and bone marrow:

The carotid artery is located in the

The respiratory conducting passageways perform all of the following functions EXCEPT:

A compound fracture can be described as when:

Many home pregnancy tests assay for ______within a woman's urine.

The vital centers for the control of visceral activities such as heart rate, breathing, blood pressure, swallowing and vomiting are located in the:

An elaborate and specialized network of membranes in skeletal muscle cells that function in calcium storage is the

Which one of the following muscles is involved in abduction of the arm at the shoulder joint

The process by which larger molecules or structures are built up from smaller ones is called:

The oily secretions that lubricate the eye are produced by the

Which one of the following is NOT a sign of diabetes mellitus

The effects of the sympathetic nervous system are essentially opposite of the

Insulin causes

Melanocytes are found in the:

Which of the following reduces heart rate:

The most common type of blood in the US population is

Which of the following groups of bones in the human body, categorized according to shape, is correct:

The greatest visual acuity is found at the

Which one of the following is NOT true of cholesterol

nails are composed of:

The brachial vein:

The hormone responsible for ovulation is:

The site where ribosomes assemble prior to their migration into the cytoplasm is the

The degenerative condition in which blister like sacs (cysts) containing urine form on the kidneys and obstruct urine drainage is called:

Pregnancy is generally improbable with a sperm count:

The serous membrane covering the surface of the lungs is called the:

Finger like upward projections of the dermis into the epidermis are called:

Which of the following regional terms means the anterior surface of the elbow:

The region that contains the navel is the:

The type of tissue with a matrix that consists of rows of fibroblasts that manufacture collagen fibers is:

The three major components of the cytoplasm are the

The external female structure that corresponds to the male penis is the:

What type of cell does parathyroid hormone (PTH) activate

The matrix of blood is called

Neurotransmitters are released upon stimulation from a nerve impulse by the

Which of the following is an example of a bone that forms from fibrous membranes:

Functional kidneys develop within the womb by the third month after conception from the______ set of tubule systems.

A sarcomere is

An action potential

Which of the following influence the release of pancreatic juice and bile

The enlarged, cup-shaped closed end of the renal tubule that completely surrounds the glomerulus is called the:

Adenosine triphosphate (ATP) is produced in greatest quantity during:

Which one of the following terms describes the location of the kidneys:

Which one of the following alimentary segments has no digestive function:

The ribs are located in the

All of the following facial bones are paired except one. Which of the following is the unpaired facial bone

The journey of chyme through the small intestine takes:

Which one of the following is NOT a function of the paranasal sinuses:

The body's first line of defense against the invasion of disease-causing microorganisms is:

The muscle tissue type that consists of single very long cylindrical multinucleate cells with very obvious striations is

In contrasting urine and filtrate by the time it reaches the collecting ducts, it could be said that:

Normal whole blood contains______ of hemoglobin per 100 mL

Which one of the following does NOT compress the abdomen:

Androgens such as testosterone are produced by the:

Sensorineural deafness occurs when there is damage or degeneration of receptor cells of the

The canal that runs through the core of each osteon contains:

The chemical buffer system that includes carbonic acid and its salt, which ties up the H+ released by strong acids, is called the:

Which of the following is correct of the female pelvis when comparing it with the male pelvis:

Transport of digested end products from the lumen GI tract into the bloodstream or lymphatic fluid is called:

While doing "jumping jacks" during an exercise class, your arms and legs move laterally away from the midline of your body. This motion is called:

Which of these lymphoid organs is found along the left side of the abdominal cavity:

Which one of the following blood vessels in the fetus has the highest concentration of oxygen

The release of food from the stomach into the small intestine is regulated by the:

The specific foreign substances that an individual's immune system has the ability to recognize and resist is determined by:

There are _______ vertebrae in the neck region

In adults, the function of the yellow marrow is to

Which one of the following is NOT a factor influencing respiratory rate and depth:

Which one of the following is NOT a symptom of Cushing's syndrome:

Immediately after an action potential is propagated, which one of the following ions rapidly diffuses out of the cell into the tissue fluid:

What type of membrane wraps a fascicle

The sympathetic and parasympathetic nervous systems are subdivisions of the;

A muscle located on the ventral (anterior) side of the body is the

Which of the following orientation terms have opposite meanings in humans:

The atlas is the:

Tetany resulting from uncontrolled muscle spasms may indicate a malfunction of the

The primary germ layer that gives rise to the mucosae and associated glands is the:

Which of the following muscle closes the jaw:

The cells in the testes that produce testosterone are called

Fat is

Cells that are specialized to fight disease are called

Pulmonary veins

Cell bodies of the sensory neurons of the spinal nerves are located in

The secretion of sweat is stimulated

Diabetes insipidus is caused by hyposecretion of

Which cell structure forms an internal framework inside the cell and is made of microtubules, intermediate filaments, and microfilaments

The tissue that is usually well vascularized and has an extensive extracellular matrix is called

Which one is the correct sequence going from the outermost to the innermost layer of a blood vessel wall