1/72
Looks like no tags are added yet.
Which of the following statements accurately describes the pericardium?
It consists of two layers of fibrous tissue with a small space in between them.
Which of the following parts of the central nervous system is responsible for the control of involuntary respirations?
Medulla oblongata
Which type of glial cells are found only in the brain and spinal cord and produce myelin?
Oligodendrocytes
Which of the following hormones is produced by the thyroid gland and is active in calcium metabolism?
Calcitonin
Which of the following blood types is identified as the universal donor?
O negative
Which of the following processes is the result of mitosis?
Tissue repair
Which of the following is the hormone that regulates urine output?
Antidiuretic
Blood pH is measured by the gain and loss of which of the following?
Hydrogen
Which of the following bones is a component of the appendicular skeleton?
Symphysis pubis
Which of the following processes must occur for the second meiotic division of the ovum to complete?
Fertilization
Which of the following is a function of the liver?
Lipid metabolism
Which of the following terms describes the exchange of air between the atmosphere and the alveoli?
Ventilation
Which of the following functions is associated with the dermal layer of the skin?
Collagen formation
Which of the following is a type of connective tissue?
Blood
Which electrolyte level must be sufficient for prothrombin to be converted to thrombin?
Calcium
Which of the following is responsible for the skin coloration of a suntan?
Melanin
Which of the following is a result of stimulation of the sympathetic nervous system?
Increased cardiac output
Which of the following valves prevents backflow of blood from the right ventricle into the right atrium of the heart?
Tricuspid
Which of the following plasma proteins is synthesized by the liver and contributes to the colloid osmotic pressure of the blood?
Albumin
Which of the following mediates the body's response to stress?
Cortisol
Which of the following is a substance secreted by the pleura that prevents friction during breathing?
Serous fluid
Which of the following is a structure of the inner ear?
Cochlea
After passing through the glottis, inspired air travels through which of the following structures next?
Larynx
Which of the following is the average length of the female urethra?
2.5 to 3.8 cm (1 to 1.5 in)
Which of the following pituitary hormones stimulates the process of gametogenesis?
Follicle-stimulating hormone
Which of the following electrolytes plays an essential role in the clotting of blood?
Calcium
Which of the following vessels directs blood to the lungs?
Pulmonary artery
Which of the following components are found in the channels of the cell membrane?
Proteins
Which of the following structures is commonly referred to as the Adam's apple and is a landmark for the trachea?
Thyroid cartilage
When blood leaves the left ventricle of the heart, which of the following structures does it enter next?
Aorta
Which of the following is a by-product that is produced as the result of oxygen debt?
Lactic acid
The hip joint is an example of which type of joint?
Ball-and-socket
What is the name of the specialized junction that neurons of the nervous system utilize to communicate?
Synapse
Which of the following processes is used to transport water and small solute particles through a membrane from a high-pressure area to a low-
pressure area?
Filtration
Which of the following is the measurement of the percentage of red blood cells in whole blood?
Hematocrit
Which of the following structures of the respiratory system is the site of gas exchange?
Alveoli
Which of the following types of cells release histamine in response to allergens?
Mast cells
Which structure of the heart conduction system spreads the electrical impulse to the myocardial contractile cells in the ventricle?
Purkinje fibers
Which of the following is associated with wound healing by primary intention?
Minimal scar tissue
Production of which of the following is a function of the prostate gland?
Fluid to enhance sperm motility
Which of the following hormones stimulates the production of breast milk after delivery of the fetus?
Prolactin
Which of the following terms identifies the body fluid that lies within the cells?
Intracellular fluid
Hematopoiesis occurs in which of the following structures?
Bone marrow
A normal adult bladder has the capacity to hold up to how many mL of urine before involuntary micturition is likely to occur?
600
Which of the following antibody types mediates the body's response to an allergen?
IgE
Where are nutrients absorbed to be transported into the bloodstream?
Small intestine
During the follicular phase of the menstrual cycle, high levels of which hormone is secreted to stimulate growth and maturation of the ovum?
Follicle-stimulating hormone
Breastfeeding provides which of the following types of immunity for an infant?
Natural passive
Which of the following structures will develop if the process of collagen formation is not inhibited?
Keloid
Which type of immunity is achieved through annual flu immunization?
Artificial active immunity
Which of the following describes the function of the pyloric sphincter?
Control passage of chyme from the pylorus to the duodenum.
Which of the following tissues attaches muscle to bone?
Tendon
Which of the following statements about lymph circulation in the human body is accurate?
The movement of lymph in the lymphatic vessels goes one way only.
Which of the following structures of the cell contains hereditary information and genetic material?
Nucleus
Which of the following is the function of the ureters?
To conduct urine from the kidneys to the bladder
Which of the following hormones is secreted by the posterior pituitary gland?
Antidiuretic hormone
Which of the following describes the anatomical region that contains palatine tonsils and lymph nodes?
Oropharynx
Which of the following processes is the first step in urine formation?
Filtration
Which of the following is a solution containing a salt concentration lower than the concentration in red blood cells?
Hypotonic
Which of the following structures is located between the descending colon and the rectum?
Sigmoid colon
Which of the following terms describes myocardial relaxation during the cardiac cycle?
Diastole
Bile aids in the digestion of which of the following?
Fat
Which of the following structures are involved in the production of renin?
juxtaglomerular cells
Which of the following glands is responsible for secreting epinephrine and norepinephrine that help in the "fight or flight" reaction?
Adrenal medulla
Which of the following tissues connects bones to joints?
Ligaments
Which product is the result of cellular respiration?
Adenosine triphosphate
Which of the following is the correct order of the protective meningeal layers of the brain from inside to outside?
Pia mater, arachnoid, dura mater
Which of the following is a mechanism of heat loss that depends on evaporation?
Sweating
Which of the following terms identifies the force exerted by the blood against the walls of the blood vessels?
Blood pressure
Which of the following occurs at the beginning of systole in a healthy heart?
The ventricles contract.
The atria contract.
The mitral valve opens.
The tricuspid valve opens.
The ventricles contract.
B Cells (B lymphocytes) Origin:
Bone marrow
B Cells (B lymphocytes): Function
Produce antibodies and serve as memory cells in the adaptive immune response.
T cells (T lymphocytes)