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AP II TEST
FINAL
Question | Answer |
---|---|
The buffy coat of blood contains ___ and ___. | platelets, leukocytes |
Dehydration means decreased ___ in the blood. | plasma |
*% of water in plasma. | 92 |
The smallest and most abundant plasma proteins are ___. | albumins |
The concentration of dissolved oxygen in blood is higher than it is in ___ ___. | interstitial fluid |
An erythrocyte is a formed element, not technically a cell because it lacks a ___ and ___. | nucleus, organelles |
How many globins are found in a single hemoglobin molecule? | 4 |
___ ___ ___ occurs when destruction of RBCs is more rapid than normal due to a genetic defect. | Congenital hemolytic anemia |
Characteristics of type A blood: contains antigen ___ and anti-___ bodies. | A, B |
Leukocytes are ___ to ___ times larger than an erythrocyte. They prepare against ___ response, and defend against ___. Their life span is ___ hours to many ___, and their density is ___ to ___ per cubic millimeter of blood. | 1.5-3, immune, antigens, 12 hours to years, 4,500-11,000 |
A/an ___ is a leukocyte that releases histamine. | basophil |
A leukocyte very active during bacterial infection is a/an ___. | neutrophil |
A leukocyte that will migrate in blood and become a macrophage is a/an ___. | monocyte |
___ is a growth factor that increases the formation of erythrocytes. | multi-csf |
Leukocytes derived from myeloid line: ___, basophils, ___, monocytes | neutrophils, eosinophils |
Blood flow to human body is by ___, vessels in the ___ circulation and the chamber of the ___ side of the heart. | arteries, systemic, left |
Deoxygenated blood is carried in the ___ circuit. | pulmonary |
The base of the heart is the ___ atrium. | left |
The ___ is a visceral layer of serous pericardium surrounding the outer walls of the heart. | epicardium |
The function of serous fluid is to ___. | lubricate |
The ___ ___ in cardiac muscle is less extensive and not as organized as in skeletal muscle. | sarcoplasmic reticulum |
Cardiac muscle has no ___ ___, while skeletal muscle does. | terminal cisternae |
Cardiac muscle lacks the extensive association of smooth muscle reticulum and ___ ___ present in skeletal muscle. | transverse tubules (T-tubules) |
In cardiac muscle ___ overlie ___ ___, instead of junctions of A bands and I bands as in skeletal muscle. | T-tubules, Z discs |
Less extensive T-tubules and reduced association with SER in cardiac muscle allow delayed ___ and prolonged ___ of cardiac muscle tissue | onset, contraction |
The coronary sulcus separates the ___ and the ___ externally. | atria, ventricles |
Closure of the right atrioventricular valve is caused by the ___ of the right ventricle. | contraction |
*The ___ ___ attach to the lower surface of cusps of the right AV valve and prevent the valve from everting and flipping into the atrium when the right ventricle is contracting. | chordae tendineae |
At the beginning of the cardiac cycle, the atria ___. | contract |
During ventricular diastole ___ valves close and ___ valves open. | semilunar, atrioventricular |
The “lubb” sound comes from ___ ___ closing. | atrioventricular valves |
The EKG P wave is generated when atria ___. | depolarize |
cardiac arrhythmia | ventricular fibrillation |
___ ___ of the heart arises from the T1-T5 segments of the spinal cord and increases the rate and force of heart contractions. | Sympathetic innervation |
What hormone pairs have antagonistic (opposite) effects? | calcitonin, parathyroid hormone |
Where are the target cells for antidiuretic hormone? | kidney tubules and smooth muscle of arteriole walls |
Which hormones are collectively called the gonadotropins? ___-___ and ___ hormone. | Follicle-stimulating, luteinizing |
Which hormone is secreted by the pineal gland? | melatonin |
The hormone that increases the rate of glycogen breakdown and glucose release by the liver is ___. | glucagon |
Which endocrine gland is paired (meaning that there are two in the body)? | adrenal |
Which hormone is secreted by the beta cells of the pancreas? | insulin |
In response to high blood glucose, the pancreas releases insulin to enable glucose to enter body cells. When the blood glucose level returns to normal, insulin release stops. This is an example of regulation by ___ ___. | negative feedback |
The release of hormones from the adrenal medulla is stimulated by the ___ division of the ___ ___ system. | sympathetic, autonomic nervous |
Which hormones are formed from chains of amino acids? | peptides |
The "master control center" of the endocrine system is the ___. | hypothalamus |
Epinephrine and norepinephrine are secreted by ___ cells. | chromaffin |
Which hormone secreted by the anterior pituitary is not a tropic hormone? ___-___ hormone. | melanocyte-stimulating |
The hormones secreted by the thymus gland are ___ and ___. | thymopoietin, thymosins |
Thyroid hormone synthesis involves secretion of a glycoprotein called ___ by the follicular cells. | thyroglobulin |
In addition to secreting hormones, the pancreas also produces ___ ___. | pancreatic juice |
Which region of the adrenal cortex synthesizes glucocorticoids? | zona fasciculata |
Which is going to result in significant agglutination? A) Donor Type AB, Recipient Type B B) Donor Type A, Recipient Type AB C) Donor Type O, Recipient Type O D) Donor Type B, Recipient has antibody anti-A E) Donor Type A, Recipient has antibody anti-B | A) Donor Type AB, Recipient Type B |
How many globins (protein building blocks) are found in a single hemoglobin molecule? 2, 1, 6, 4, or 8 | 4 |
Which type of leukocyte increases in number because of the presence of an allergen? Neutrophil Basophil Eosinophil Lymphocyte Monocyte | Basophil |
An individual's hematocrit is dependent on his or her A) Three of the choices are correct B) Sex C) Age D) Two of the choices are correct E) Altitude | A) Three of the choices are correct |
The "buffy" coat of the middle layer of a centrifuged blood sample is composed of: ____ and ____: | leukocytes, platelets |
The growth factor that increases the formation of erythrocytes, all classes of granulocytes, monocytes, and platelets from myeloid stem cells is: G-CSF M-CSF EPO GM-CSF Multi-CSF | Multi-CSF |
The largest arteries of the body are classified as _____ arteries. | elastic |
Vasoconstriction of the arterioles will result in an increase or decrease in blood pressure? | increase |
The left renal vein, right renal vein, right suprarenal vein, and right gonadal vein merge directly into the _____ _____ _____? | inferior vena cava |
Which veins carry blood from the liver to the inferior vena cava? _____ | hepatic |
Typically, there are _____ left and _____ right pulmonary veins to carry the oxygenated blood to the left atrium. | two, two |
A network of small arteries called the _____ _____ provides a blood supply to the tunica externa of very large vessels. | vasa vasorum |
The artery pair that supplies the lower limbs are the _____ _____ _____. | external iliac arteries |
True or false? The umbilical arteries carry deoxygenated blood. | true |
The ____ ____ is a lymphocyte that produces and secretes antibodies. | plasma cell |
The composition of lymph is most similar to ____ ____. | blood plasma |
B-lymphocytes develop immunocompetence in the ____ ____ ____. | red bone marrow |
The thoracic duct and the right lymphatic duct empty lymph into the ____ veins. | subclavian |
Helper T-lymphocytes are also known as CD___ cells. Cytotoxic T-lymphocytes are called CD___ cells. | 4+, 8+ |
Which are components of the lymphatic system? a: Thyroid gland b: Spleen c: Red bone marrow d: Thymus gland e: Lymph nodes f: Tonsils | b, c, d, e, f |
Which of the lymphatic trunks drain into the cisterna chyli? ____ and ____ trunks | intestinal, lumbar |
The spleen lacks a cortex and ____. | medulla |
T-lymphocytes in the thymus gland do not participate in the immune response and are protected from antigens by the ____-____ ____. | blood-thymus barrier |
The location of the trachea-lies ___ to the esophagus, ___ to the larynx, and ___ to the primary bronchi of the lungs | anterior, inferior, superior |
Following an automobile accident, a broken rib penetrates into the pleural cavity causing blood to accumulate in the space between the visceral and parietal pleura. This condition is known as a/an | hemothorax |
What structures actually produce sound? | vocal folds |
The alveolar cell that secretes pulmonary surfactant is the ___ ___ ___ cell | alveolar type II cell |
The hilum of the lung is an indented area through which the bronchi, pulmonary vessels, lymphatic vessels, and nerves pass. true or false | true |
The exchange of oxygen and carbon dioxide between the air and blood in the lungs is called ___ ___. | external respiration |
Which is not part of the conducting portion of the respiratory system? Nasal cavity, Trachea, Alveoli, Bronchi, Larynx | Alveoli |
Which center inhibits the activity of the dorsal respiratory group (DRG)? | pneumotaxic center |
Which center stimulates inspiration by increasing the activity of the dorsal respiratory group (DRG)? | Apneustic center |
Which region(s) of the pharynx are lined by pseudostratified ciliated columnar epithelium? A)Oropharynx, nasopharynx, and laryngopharynx B)Laryngopharynx C)Oropharynx D)Oropharynx and nasopharynx E)Nasopharynx | E)Nasopharynx |
What structure prevents food and drink from entering the trachea, conducts air, and produces sound? | larynx |
On each side of the chest, the ___ pleura lines the internal thoracic wall and the ___ pleura tightly covers the lung. | parietal, visceral |