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A and P 2 - Test 4
Stack #84314
| Question | Answer |
|---|---|
| Microorganisms removed from incoming air by sticky mucus are most likely to be destroyed by - | the digestive action of gastric juice. |
| The walls of the alveoli are composed of - | simple squamous epithelium. |
| The force that causes air to move into the lungs during inspiration is supplied by - | atmospheric pressure. |
| The force responsible for normal expiration is supplied by the - | elastic recoil of tissues and surface tension. |
| The amount of air that enters or leaves the lungs during a normal respiratory cycle is the - | tidal volume. |
| The vocal cords are located within the - | larynx. |
| The amount of oxygen released from oxyhemoglobin increases when - | carbon dioxide concentration increases. |
| The mucus-covered nasal passages function to warm and moisten inspired air, & entrap small particles. | True |
| The intensity (volume) of a vocal sound is a result of the - | force of air passing over the vocal cords. (Pitch is regulated by tension of the vocal cords.) |
| Laryngitis is a potentially dangerous condition because it may cause - | obstruction of the airway. |
| The procedure used to directly examine the trachea and bronchial tree is called -. | bronchoscopy |
| The condition of newborns called respiratory distress syndrome is caused by a - | lack of surfactant. |
| The visceral and parietal pleural membranes are normally held together by -. | surface tension |
| The condition in which air enters the pleural cavity is called a -. | pneumothorax |
| Which of the following air volumes cannot be measured using a simple spirometer? | residual volume |
| Bronchial asthma is a condition caused by - | an allergy. |
| During an asthma attack, the patient usually finds it most difficult to -. | exhale |
| Hyperventilation is most likely to be accompanied by a(n) -. | decrease in blood CO2 concentration and a rise in pH |
| The pharynx functions as a -, whereas the larynx functions as a -. | common passageway for air and food; passageway for air only |
| The right lung is composed of - lobes; the left lung is composed of - lobes. | superior, middle, and inferior; superior and inferior |
| The first event in expiration is -. | the diaphragm and external respiratory muscles relax |
| The dorsal respiratory group and the ventral respiratory group are found extending throughout which structure? | the medulla oblongata |
| Which of the following is correct concerning the location of the kidneys? | They are located behind the peritoneum |
| Which of the following indicates the parts of a renal tubule in the correct sequence from beginning to end? | proximal convoluted tubule, descending limb, ascending limb, distal convoluted tubule |
| If the arteriole that supplies blood to the glomerulus becomes constricted, -. | the glomerular filtration rate decreases |
| Whenever sodium ions are reabsorbed through the wall of the renal tubule by active transport, chloride ions are -. | reabsorbed by passive transport |
| The hormone ADH functions to promote water reabsorption through the wall(s) of the -. | distal convoluted tubule & collecting duct |
| The ureter extends downward -. | behind the parietal peritoneum and joins the urinary bladder from below |
| Which of the following would increase the rate of glomerular filtration? | increased blood pressure |
| Which of the following is not considered a function of the kidneys? | formation of plasma proteins |
| The effects of carbon dioxide and hydrogen ions on the respiratory center are similar because -. | carbon dioxide combines with water to form carbonic acid |
| Urine is about 96% -, but it also contains -, -, -, and small amounts of -, &-. | water, urea, uric acid, creatinine, amino acids, electrolytes |
| Which of the following correctly describes the countercurrent mechanism of the nephron loop? | Water moves out of the descending limb; sodium moves out of the ascending limb. |
| Aldosterone from the adrenal cortex causes sodium ions to be -. | conserved & water to be conserved |
| Plasma clearance is a test to determine the rate at which the kidneys can -. | remove a particular substance from the blood |
| The micturition reflex can be voluntarily controlled by the -. | cerebral cortex stimulating or inhibiting the external urethral sphincter valve |
| An increase in urine volume is termed -. | diuresis |
| Extracellular fluids are characterized by relatively high - and low - concentrations. | sodium, potassium |
| Intracellular fluids are characterized by relatively high concentrations of - & -. | potassium, phosphate |
| The movement of water and electrolytes between fluid compartments is regulated primarily by -. | hydrostatic pressure and osmotic pressure |
| During periods of physical exercise, there is -. | an increased production of carbonic acid, and the pH of body fluids tends to fall |
| Of the compartments of the extracellular water, which is the largest? | interstitial fluid |
| The respiratory center is most likely to cause an increase in the breathing rate if the -. | pH of body fluids is decreasing, PCO2 is high, PO2 is low, or cerebrospinal fluid H ion concentration is high |
| Which of the following would result in edema? | both low plasma protein concentration and increases in venous pressure |
| Hyperventilation leads to -. | respiratory alkalosis |
| Diabetes mellitus, in which fatty acids are converted to ketone bodies, leads to -. | metabolic acidosis |
| Dehydration is characterized by the osmotic concentration increasing in the extracellular fluid compartment & water leaving the intracellular fluid compartment by osmosis, & is caused by excessive sweating, prolonged water deprivation, vomiting, or | diarrhea. |
| Hypokalemia is characterized by -. | muscular weakness, respiratory difficulty, and ventricular arrhythmias |
| The technical term for water intoxication is -. | hyponatremia |
Created by:
melodious88