This digestive enzyme found in saliva begins the breakdown of carbohydrates.
Answer:
What is salivary amylase?
The primary function of the lymphatic system is maintaining fluid balance and supporting this body function.
Answer:
What is immune defense?
These blood vessels carry blood away from the heart.
Answer:
What are arteries?
This muscle is the primary muscle responsible for inspiration.
Answer:
What is the diaphragm?
This component of blood is responsible for oxygen transport.
Answer:
What are red blood cells (erythrocytes)?
This structure prevents food from entering the trachea during swallowing.
Answer:
What is the epiglottis?
The lymphatic system returns excess interstitial fluid to this body compartment.
Answer:
What is the blood circulation?
This chamber pumps oxygenated blood into the systemic circulation.
Answer:
What is the left ventricle?
The trachea divides into these two structures that enter the lungs.
Answer:
What are the primary bronchi?
This hormone stimulates red blood cell production in the bone marrow.
Answer:
What is erythropoietin (EPO)?
A patient lacks hydrochloric acid production in the stomach. Which digestive process will be impaired?
Answer:
What is activation of pepsinogen into pepsin and protein digestion?
This large lymphatic vessel drains most of the body into the venous circulation.
Answer:
What is the thoracic duct?
This valve prevents blood from flowing backward from the left ventricle into the left atrium.
Answer:
What is the mitral (bicuspid) valve?
A patient exercises and begins breathing faster. Which respiratory variable increases?
Answer:
What is minute ventilation?
A patient has iron deficiency. Which blood protein is reduced?
Answer:
What is hemoglobin?
A patient develops pernicious anemia due to destruction of gastric parietal cells. Which molecule can no longer be absorbed properly?
Answer:
What is vitamin B12?
This specialized lymphatic structure in intestinal villi absorbs dietary fats.
Answer:
What are lacteals?
A patient increases their heart rate during exercise. Which cardiovascular variable directly increases?
Answer:
What is cardiac output?
A patient has airway narrowing due to bronchial smooth muscle contraction. What condition is likely?
Answer:
What is asthma?
A patient has a low platelet count. Which physiological process is impaired?
Answer:
What is blood clot formation (hemostasis)?
A patient has impaired pancreatic secretion. Activation of which enzyme in the intestine will be reduced, affecting protein digestion?
Answer:
What is trypsin?
Lymph enters lymph nodes through these vessels and leaves through these vessels.
Answer:
What are afferent and efferent lymphatic vessels?
This ECG wave represents ventricular depolarization.
Answer:
What is the QRS complex?
A patient has increased carbon dioxide levels. Which blood pH change occurs?
Answer:
What is decreased pH causing respiratory acidosis?
During clot formation, this enzyme converts fibrinogen into fibrin.
Answer:
What is thrombin?